Coefficient Calculator For Digital Biquad Filters
COEFFICIENT-CALC
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Description

COEFFICIENT-CALC (TIBQ) calculates the coefficients for the digital filter biquad transfer function implemented in TI audio codecs. The characteristics of the digital filter are adjusted by selecting a filter type and moving a control point within a window that shows the transfer function gain and phase plot.

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COEFFICIENT-CALC:
Coefficient Calculator For Digital Biquad Filters

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TI Devices (217)

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LM48511  3W Mono Analog Input Class-D Speaker Amp with Integrated Boost Converter  Audio amplifiers 
LM48512  2.7W Mono Analog Input Class-D Speaker Amp with Integrated Boost Converter  Audio amplifiers 
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LM4855  Integrated Audio Amplifier System  Audio amplifiers 
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LM4863  Dual 2.2W Audio Amplifier Plus Stereo Headphone Function  Audio amplifiers 
LM4864  300 mW Audio Power Amplifier with Shutdown Mode  Audio amplifiers 
LM4865  750-mW, stereo, analog input, Class-AB audio amplifier with DC volume control & headphone amp  Audio amplifiers 
LM4866  2.2W Stereo Audio Amplifier  Audio amplifiers 
LM4871  Boomer Series: 3W Audio Amplifier with Shutdown Mode  Audio amplifiers 
LM4873  Dual 2.1W Audio Amplifier Plus Stereo Headphone Function  Audio amplifiers 
LM4875  750-mW, stereo, analog input, Class-AB audio amplifier w/precision DC volume control & headphone amp  Audio amplifiers 
LM4876  1.1W Audio Power Amplifier with Logic Low Shutdown  Audio amplifiers 
LM4879  1.1 Watt Audio Power Amplifier  Audio amplifiers 
LM4889  1 Watt Audio Power Amplifier  Audio amplifiers 
LM4890  1 Watt Audio Power Amplifier  Audio amplifiers 
LM4898  1 Watt Fully Differential Audio Power Amplifier With Shutdown Select  Audio amplifiers 
LM4901  1.6 Watt Audio Power Amplifier with Selectable Shutdown Logic Level  Audio amplifiers 
LM4902  265mW at 3.3V Supply Audio Power Amplifier with Shutdown Mode  Audio amplifiers 
LM4906  1W, Bypass-Capacitor-less Audio Power Amplifier with Internal Selectable Gain  Audio amplifiers 
LM49100  Mono Class AB Audio Sub-System with a True-Ground Headphone Amplifier  Audio amplifiers 
LM49101  Mono Class AB Audio Subsystem with a True Ground Headphone Amplifier and Earpiece Switch  Audio amplifiers 
LM49120  Audio Sub-System w/ Mono Class AB Loudspeaker Amp & Stereo OCL/SE Headphone Amp  Audio amplifiers 
LM49150  Mono Class D Audio Subsystem w/ Earpiece Driver & Stereo Gnd Ref Headphone Amps  Audio amplifiers 
LM49151  Mono Class D Subsys w/ Earpiece Drv, Gnd Ref Headph Amp, Speaker Protection & No Clip w/ Clip Cntrl  Audio amplifiers 
LM49153  Mono Audio Subsys w/ class G Headphone Amp Class D Speaker Amp Noise Gate & Speaker Protection  Audio amplifiers 
LM49200  Stereo Class AB Audio Subsystem with a True Ground Headphone Amplifier  Audio amplifiers 
LM4923  1.1 Watt Fully Differential Audio Power Amplifier With Shutdown Select  Audio amplifiers 
LM49250  Enhanced Emissions Suppression Stereo Class D Audio Sub-System w/ Ground Referenced Headphone Amp  Audio amplifiers 
LM49251  Stereo Audio Subsystem w/ Class G Headphone Amp & Class D Speaker Amp w/ Speaker Protection  Audio amplifiers 
LM4927  2.5 Watt Fully Differential Audio Power Amplifier With Shutdown  Audio amplifiers 
LM49270  Filterless 2.2W Class-D Audio Subsystem w/ OCL Headphone Amp, 3D Enhancement, & Headphone Sense  Audio amplifiers 
LM4928  1.2 Watt Stereo Fully Diff Audio Pwr Amp w/ RF Suppression & Shutdown Low  Audio amplifiers 
LM4929  LM4929 Stereo 40mW Low Noise Headphone Amplifier with OCL Output  Audio amplifiers 
LM49321  Audio Sub-Sys w/ Stereo DAC Mono Class AB Loudspkr Amp OCL/SE Stereo Headph Output & RF Suppression  Audio amplifiers 
LM4936  Stereo 2W Audio Power Amplifiers w/ Volume Control & Selectable Control Interface  Audio amplifiers 
LM4937  Audio Sub-System with OCL Stereo Headphone Output and RF Suppression  Audio amplifiers 
LM4938  Stereo 2W Audio Power Amplifiers with DC Volume Control and Selectable Gain  Audio amplifiers 
LM4940  6W Stereo Audio Power Amplifier  Audio amplifiers 
LM4941  1.25 Watt Fully Differential Audio Power Amplifier With RF Suppression and Shutdown  Audio amplifiers 
LM49450  I2C Inpt 2.5W/Ch Low EMI St Class D Sub-Sys w/ Gnd Ref Headph Amp, 3D Enhancement, & Headph Sns  Audio amplifiers 
LM4946  Output Capacitor-Less Audio Subsystem with Programmable National 3D  Audio amplifiers 
LM4947  Mono Class D and Stereo Audio Sub-System with OCL Headphone Amplifier and TI 3D  Audio amplifiers 
LM4950  7.5W Mono-BTL or 3.1W Stereo Audio Power Amplifier  Audio amplifiers 
LM4951  Wide Voltage Range 1.8 Watt Audio Power Amplifier  Audio amplifiers 
LM4951A  Wide Voltage Range 1.8 Watt Audio Power Amplifier With Short Circuit Protection  Audio amplifiers 
LM4952  3.1W Stereo-SE Audio Power Amplifier with DC Volume Control  Audio amplifiers 
LM4954  High Voltage 3 Watt Audio Power Amplifier  Audio amplifiers 
LM4990  2 Watt Audio Power Amplifier with Selectable Shutdown Logic Level  Audio amplifiers 
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TAS2505-Q1  2.6W Mono Digital & Analog Input Automotive Class-D Speaker Amplifier  Audio amplifiers 
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TAS2559  5.7W Digital Input Smart Amp with Integrated Speaker Protection, Advanced EQ and 8.5V Class-H Boost  Audio amplifiers 
TAS2560  5.6W Digital Input Smart Amp with I/V Sense for Speaker Protection and Integrated 8.5V Class-H Boost  Audio amplifiers 
TAS2562  6.1W Digital Input Smart Amp with I/V Sense for Speaker Protection and Integrated 11V Class-H Boost  Audio amplifiers 
TAS2563  6.1W Digital Input Smart Amp with Integrated Speaker Protection, Advanced EQ and 11V Class-H Boost  Audio amplifiers 
TAS2564  7W digital input smart amp with <10uV noise and integrated 13-V Class-H boost  Audio amplifiers 
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TLV320AIC28  Low-Power Mono ADC/Stereo DAC With 6 Audio Inputs and HP/Speaker Amplifier  Audio converters 
TLV320AIC29  Low-Power Mono ADC/Stereo DAC With 6 Audio Inputs and HP/Speaker Amplifier  Audio converters 
TLV320AIC3007  Low Power Stereo CODEC with Integrated Class-D Amplifier  Audio converters 
TLV320AIC31  Low-Power Stereo Codec with 6 Inputs, 6 Outputs, Integrated Headphone/Speaker Amps, 3D Effects  Audio converters 
TLV320AIC3100  Low-Power Audio Codec With Audio Processing and Mono Class-D Amplifier  Audio converters 
TLV320AIC3101  Low-Power Stereo Codec with 6 Inputs, 6 Outputs, Speaker/HP Amp and Enhanced Digital Effects  Audio converters 
TLV320AIC3104  Low-Power Stereo CODEC with 6 Inputs, 6 Outputs, HP Amp and Enhanced Digital Effects  Audio converters 
TLV320AIC3105  Low-Power Stereo CODEC with 6 Inputs, 6 Outputs, HP Amp and Enhanced Digital Effects  Audio converters 
TLV320AIC3106  Low-Power Stereo CODEC with 10 Inputs, 7 Outputs, HP Amplifier and Enhanced Digital Effects  Audio converters 
TLV320AIC3107  Low-Power Stereo CODEC with Integrated Mono Class-D Amplifier  Audio converters 
TLV320AIC3110  Low-Power Audio Codec With 1.3W Stereo Class-D Speaker Amplifier  Audio converters 
TLV320AIC3111  Low-Power Audio CODEC with embedded miniDSP and Stereo Class-D Speaker Amplifier  Audio converters 
TLV320AIC3120  Low-Power Audio CODEC With miniDSP and 2.5-W Mono Class-D Speaker Amplifier  Audio converters 
TLV320AIC32  Low-Power Stereo CODEC with 6 Inputs, 6 Outputs, HP/Speaker Amplifier and 3D Effects  Audio converters 
TLV320AIC3204  Very-Low-Power Stereo Audio CODEC With PowerTune™ Technology  Audio converters 
TLV320AIC3206  Very-Low-Power Stereo Codec With DirectPath™ HP Amplifier  Audio converters 
TLV320AIC3254  Very Low-Power Stereo Audio CODEC with programmable miniDSP  Audio converters 
TLV320AIC3256  Very Low-Power Stereo Codec with miniDSP and DirectPath™ HP Amplifier  Audio converters 
TLV320AIC33  Low-Power Stereo CODEC with 10 Inputs, 7 Outputs, HP/Speaker Amplifier and Enhanced Digital Effects  Audio converters 
TLV320AIC34  Low-power 4-channel CODEC  Audio converters 
TLV320AIC36  Low Power Stereo Audio Codec for Portable Audio/Telephony  Audio converters 
TLV320DAC23  Low-Power Stereo DAC with HP Amplifier  Audio amplifiers 
TLV320DAC26  Low-Power Stereo DAC with HP/Speaker Amplifier  Audio amplifiers 
TLV320DAC3100  Low-Power Stereo Audio DAC With Mono Class-D Speaker Amplifier  Audio amplifiers 
TLV320DAC3100-Q1  Low-Power Stereo Audio DAC With Audio Processing  Audio amplifiers 
TLV320DAC3101  Low-Power Stereo Audio DAC With Stereo Class-D Speaker Amplifier  Audio amplifiers 
TLV320DAC3120  Low-Power Audio DAC with miniDSP and 2.5W Mono Class-D Speaker Amplifier  Audio amplifiers 
TLV320DAC32  Low-Power Stereo DAC with 4 Outputs, HP/Speaker Amplifier and 3D Effects  Audio amplifiers 
TLV320DAC3203  Ultra Low Power Stereo Audio Codec With Integrated Headphone Amplifiers  Audio amplifiers 
TPA0102  1.5-W Stereo Audio Power Amplifier  Audio amplifiers 
TPA0103  1.75-W 3-Channel Stereo Audio Power Amplifier  Audio amplifiers 
TPA0152  Stereo 2-W Audio Power Amp with Digital Volume Control  Audio amplifiers 
TPA0162  2W Stereo APA With Digital Volume Control  Audio amplifiers 
TPA0172  Stereo Class-AB Audio Amplifier with Stereo Headphone Drive and I2C Control  Audio amplifiers 
TPA0202  2-W Stereo Audio Power Amplifier  Audio amplifiers 
TPA0211  Mono Class-AB Audio Amplifier with Mono Headphone Drive  Audio amplifiers 
TPA0212  Stereo Class-AB Audio Amplifier with Stereo Headphone Drive and Integrated Gain  Audio amplifiers 
TPA0213  Mono Class-AB Audio Amplifier with Stereo Headphone Drive--Separate Inputs  Audio amplifiers 
TPA0223  2-W Mono Audio Power Amp with Headphone Drive  Audio amplifiers 
TPA0233  Mono Class-AB Audio Amplifier with Stereo Headphone Drive--Summed Inputs  Audio amplifiers 
TPA0253  Mono, Low Power, Class-AB Audio Amplifier with Stereo Headphone Driver-Summing Inputs  Audio amplifiers 
TPA0312  Stereo 2-W Audio Power Amp with 4 Selectable Gain Settings and MUX Control  Audio amplifiers 
TPA2000D1  2-W Mono Class-D Audio Amplifier  Audio amplifiers 
TPA2000D1-Q1  Automotive Catalog Mono Filter-Free Class-D Audio Amplifier  Audio amplifiers 
TPA2000D2  2-W Stereo Class-D Audio Amplifier  Audio amplifiers 
TPA2000D4  2-W Stereo Class-D Audio Amplifier with Stereo Class-AB Headphone Drive  Audio amplifiers 
TPA2001D1  1-W Mono Class-D Audio Amplifier  Audio amplifiers 
TPA2001D2  1-W Stereo Class-D Audio Amplifier  Audio amplifiers 
TPA2005D1  1.4-W Mono Class-D Audio Amplifier (TPA2005)  Audio amplifiers 
TPA2005D1-Q1  Automotive Catalog 1.4-W Mono Filter-Free Class-D Audio Power Amplifier  Audio amplifiers 
TPA2006D1  1.45-W Mono Class-D Audio Amplifier with 1.8V Compatible Shutdown Voltage (TPA2006)  Audio amplifiers 
TPA2008D2  3-W Stereo Class-D Audio Amplifier with Volume Control (TPA2008)  Audio amplifiers 
TPA2010D1  2.5-W Mono Class-D Audio Amplifier with Variable Gain (TPA2010)  Audio amplifiers 
TPA2011D1  3.2W mono class-d with auto-recovering short-circuit protection  Audio amplifiers 
TPA2012D2  2.1-W Stereo Class-D Audio Amplifier with Gain Select (TPA2012)  Audio amplifiers 
TPA2013D1  2.7W Mono Analog Input Class-D Speaker Amp with Integrated Boost Converter  Audio amplifiers 
TPA2014D1  1.5-W Constant Output Power Class-D Audio Amplifier With Integrated Boost Converter (TPA2014)  Audio amplifiers 
TPA2015D1  2W Mono Analog Input Class-D Speaker Amp with Integrated Class-G Boost Converter  Audio amplifiers 
TPA2016D2  2.8-W/Ch Stereo Class-D Audio Amplifier with SmartGainTM AGC/DRC (TPA2016)  Audio amplifiers 
TPA2017D2  2.8-W/Ch Stereo Class-D Audio Amplifier with Easy SmartGainTM AGC/DRC (TPA2017)  Audio amplifiers 
TPA2018D1  3-W Mono Class-D Audio Amplifier with SmartGain™ AGC/DRC  Audio amplifiers 
TPA2025D1  2W Mono Analog Input Class-D Speaker Amp with Integrated Class-G Boost Converter  Audio amplifiers 
TPA2026D2  3.2-W/Ch Stereo SmartGainTM Class-D Audio Amplifier with Dynamic Range  Audio amplifiers 
TPA2028D1  3.0 W Mono Class-D Audio Amplifier with fast gain ramp SmartGain™ AGC and DRC  Audio amplifiers 
TPA2029D1  3-W Mono Class-D Amplifier With Smart Gain AGC/DRC  Audio amplifiers 
TPA2031D1  2.5-W Mono Class-D Audio Power Amplifier with Slow Start-Up (TPA2031)  Audio amplifiers 
TPA2032D1  2.75-W Mono Class-D Audio Amplifier with 2 V/V Fixed Gain (TPA2032)  Audio amplifiers 
TPA2033D1  2.75-W Mono Class-D Audio Amplifier with 3 V/V Fixed Gain (TPA2033)  Audio amplifiers 
TPA2034D1  2.75-W Mono Class-D Audio Amplifier with 4 V/V Fixed Gain (TPA2034)  Audio amplifiers 
TPA2035D1  2.75-W Mono Class-D Audio Amplifier with Fixed Gain and Short Circuit Auto-Recovery (TPA2035)  Audio amplifiers 
TPA2036D1  2.5-W Mono Class-D Audio Amplifier with Variable Gain and Short Circuit Auto-Recovery (TPA2036)  Audio amplifiers 
TPA2037D1  3.2-W, mono, analog input Class-D audio amplifier with fixed 6 dB gain & short-circuit protection  Audio amplifiers 
TPA2038D1  Variable Gain 3.2 W Mono Class-D with Integrated DAC Noise Filter  Audio amplifiers 
TPA2039D1  3.2-W, mono, analog input Class-D audio amplifier with fixed 12 dB gain & short-circuit protection  Audio amplifiers 
TPA2050D4  1.4-W/Ch 2-Input Audio Subsystem with Stereo Class-D and DirectPath™ Headphone Amplifier  Audio amplifiers 
TPA2051D3  2.9-W 3-Input Audio Subsystem with SmartGain™ Mono Class-D and DirectPath Headphone Amplifi  Audio amplifiers 
TPA2054D4  1.4 W/Ch 3-Input Audio Subsystem with Stereo Class-D and DirectPath™ Headphone Amplifier  Audio amplifiers 
TPA2054D4A  1.4 W/Ch 3-Input Audio Subsystem with Stereo Class-D and DirectPath™ Headphone Amplifier  Audio amplifiers 
TPA2080D1  2.2W Mono Analog Input Class-D Speaker Amp with Integrated Class-G Boost Converter  Audio amplifiers 
TPA301  350-mW, mono, Class-AB audio amplifier  Audio amplifiers 
TPA302  350-mW Stereo Class-AB Audio Amplifier  Audio amplifiers 
TPA311  350-mW, mono, Class-AB audio amplifier with bridge tied load to single-ended switching mode  Audio amplifiers 
TPA3113D2  6-W stereo, 12-W mono, 8- to 26-V supply, analog input Class-D audio amplifier w/ SpeakerGuard™  Audio amplifiers 
TPA3125D2  10-W stereo, 20-W mono, 10- to 26-V supply, analog input Class-D audio amplifier w/ SE outputs  Audio amplifiers 
TPA321  350-mW Mono Class-AB Audio Amplifier with Differential Inputs  Audio amplifiers 
TPA4860  1-W, mono, Class-AB audio amplifier with headphone interface logic  Audio amplifiers 
TPA4861  1-W, mono, analog input, Class-AB audio amplifier with shutdown mode & selectable gain  Audio amplifiers 
TPA6010A4  Stereo Class-AB Audio Amplifier with Stereo Headphone Drive, Volume Control and Bass Boost  Audio amplifiers 
TPA6011A4  3-W, stereo Class-AB audio amplifier with DC volume control & stereo headphone driver  Audio amplifiers 
TPA6012A4  2-W Stereo Audio Power Amplifier with Advanced DC Volume Control  Audio amplifiers 
TPA6013A4  3-W Stereo Audio Power Amplifier with Advanced DC Volume Control  Audio amplifiers 
TPA6017A2  Stereo, Cost Effective, Class-AB Audio Amplifier  Audio amplifiers 
TPA6020A2  Stereo, Fully Differential Class-AB Audio Amplifier  Audio amplifiers 
TPA6021A4  2-W, stereo Class-AB audio amplifier with DC volume control & stereo headphone driver  Audio amplifiers 
TPA6030A4  Wide Supply Voltage, Low Power, Class-AB Audio Amplifier  Audio amplifiers 
TPA6040A4  2-W, stereo Class-AB speaker & headphone amplifier, 4.75-V LDO & active low speaker enable  Audio amplifiers 
TPA6041A4  2-W, stereo Class-AB speaker & headphone amplifier, 3.3-V LDO, active low enable & 10-21 dB gain  Audio amplifiers 
TPA6043A4  2-W, stereo Class-AB speaker & headphone amplifier, 3.3-V LDO, active low enable & 6-21.6 dB gain  Audio amplifiers 
TPA6045A4C  2-W, stereo Class-AB speaker & headphone amplifier, 3.3-V LDO & active high enable  Audio amplifiers 
TPA6047A4  2-W, stereo Class-AB speaker & headphone amplifier, 4.75-V LDO & active high enable  Audio amplifiers 
TPA6203A1  1.25-W Mono, Fully Differential, Class-AB Audio Amplifier  Audio amplifiers 
TPA6204A1  1.7-W Mono, Fully Differential, Class-AB Audio Amplifier  Audio amplifiers 
TPA6205A1  1.25-W Mono, Fully Differential, Class-AB Audio Amp w/ 1.8V Compatible Shutdown Voltage (TPA6205)  Audio amplifiers 
TPA6211A1  3.1-W Mono, Fully Differential, Class-AB Audio Amplifier  Audio amplifiers 
TPA6211A1-Q1  Automotive, 3.1-W, mono, analog input Class-AB audio amplifier  Audio amplifiers 
TPA701  700-mW Mono, Class-AB Audio Amplifier  Audio amplifiers 
TPA711  700-mW Mono, Class-AB Audio Amplifier with Mono Headphone Drive  Audio amplifiers 
TPA721  700-mW Mono, Class-AB Audio Amplifier with Active High Shutdown  Audio amplifiers 
TPA731  700-mW Mono, Differential Input, Class-AB Audio Amplifier with Active High Shutdown  Audio amplifiers 
TPA741  700-mW Mono, Differential Input, Class-AB Audio Amplifier with Active High Shutdown and Depop  Audio amplifiers 
TPA751  700-mW Mono, Differential Input, Class-AB Audio Amplifier with Active Low Shutdown  Audio amplifiers 
TSC2100  4-Wire Touch Screen Controller with Stereo DAC / Mono ADC with HP/Speaker Amplifier  Audio converters 
TSC2101  4-Wire Touch Screen Controller, St. DAC / Mono ADC with HP/Speaker Amplifier  Audio converters 
TSC2102  4-Wire Touch Screen Controller with Stereo DAC with HP Amplifier  Audio converters 
TSC2117  4-Wire Touch Screen Controller with Low-Power Mono ADC/Stereo DAC  Audio converters 
TSC2301  4-Wire Touch Screen Controller, St. CODEC with HP Amplifier (Keypad Int. + 6 GPIOs)  Audio converters 

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