SBOS772C August   2017  – May 2019 INA1650-Q1 , INA1651-Q1

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
    1.     Simplified Internal Schematic
  3. 3 Description
    1.     CMRR Histogram (5746 Channels)
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
    1.     Pin Functions: INA1650-Q1
    2.     Pin Functions: INA1651-Q1
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics:
    6. 6.6 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Audio Signal Path
      2. 7.3.2 Supply Divider
      3. 7.3.3 EMI Rejection
      4. 7.3.4 Electrical Overstress
      5. 7.3.5 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Single-Supply Operation
  8. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Input Common-Mode Range
      2. 8.1.2 Common-Mode Input Impedance
      3. 8.1.3 Start-Up Time in Single-Supply Applications
      4. 8.1.4 Input AC Coupling
      5. 8.1.5 Supply Divider Capacitive Loading
    2. 8.2 Typical Applications
      1. 8.2.1 Line Receiver for Differential Audio Signals in a Split-Supply System
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
        3. 8.2.1.3 Application Curves
      2. 8.2.2 Two-Channel Microphone Input for Automotive Infotainment Systems
      3. 8.2.3 TRS Audio Interface in Single-Supply Applications
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Development Support
        1. 11.1.1.1 TINA-TI (Free Software Download)
        2. 11.1.1.2 TI Precision Designs
    2. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 Receiving Notification of Documentation Updates
    4. 11.4 Community Resources
    5. 11.5 Trademarks
    6. 11.6 Electrostatic Discharge Caution
    7. 11.7 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

6.5 Electrical Characteristics:

at TA = 25°C, VS = ±2.25 V to ±12 V, VCM = VOUT = midsupply, and RL = 2 kΩ (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
AUDIO PERFORMANCE
THD+N Total harmonic distortion + noise VO = 3 VRMS, f = 1kHz, 90-kHz measurement bandwidth,
VS = ±12 V		 0.00039%
–108.1 dB
VIN = 20 dBu (7.746 VRMS) , FIN = 1 kHz, VS = ±12 V,
90-kHz measurement bandwidth		 0.000224%
–113.0 dB
IMD Intermodulation distortion SMPTE and DIN two-tone, 4:1 (60 Hz and 7 kHz)
VO = 3 VRMS, 90-kHz measurement bandwidth		 0.0005%
–106.1 dB
CCIF twin-tone (19 kHz and 20 kHz),
VO = 3 VRMS, 90-kHz measurement bandwidth		 0.00066%
–103.6 dB
AC PERFORMANCE
BW Small-signal bandwidth 2.7 MHz
SR Slew rate 10 V/μs
Full-power bandwidth(1) VO = 1 VP 1.59 MHz
PM Phase margin CL = 20 pF 71 degrees
CL = 200 pF 54 degrees
ts Settling time To 0.01%, Vs = ±12 V, 10-V step 2.2 μs
Overload recovery time 330 ns
Channel separation f = 1 kHz, REF and COM pins connected to ground 140 dB
f = 1 kHz, REF and COM pins connected to VMID(OUT) 130 dB
EMI/RFI filter corner frequency 80 MHz
NOISE
Output voltage noise f = 20 Hz to 20 kHz, no weighting 4.5 μVRMS
–104.7 dBu
en Output voltage noise density(2) f = 100 Hz 47 nV/√Hz
f = 1 kHz 31
OFFSET VOLTAGE
VOS Output offset voltage ±1 ±3 mV
TA = –40°C to 125°C(2) ±4
dVOS/dT Output offset voltage drift(2) TA = –40°C to 125°C 2 7 μV/°C
PSRR Power-supply rejection ratio 2 μV/V
GAIN
Gain 1 V/V
Gain error 0.04% 0.05%
TA = –40°C to 125°C(2) 0.05% 0.06%
Gain nonlinearity VS = ±12 V, –10 V < VO < 10 V (2) 1 5 ppm
INPUT VOLTAGE
VCM Common-mode voltage (V–) + 0.25 (V+) – 2 V
CMRR Common-mode rejection ratio (V–) + 0.25 V ≤ VCM ≤ (V+) – 2 V, REF and COM pins connected to ground, VS = ±12 V 85 91 dB
TA = –40°C to 125°C(2) 82 89
(V–) + 0.25 V ≤ VCM ≤ (V+) – 2 V, REF and COM pins connected to VMID(OUT), VS = ±12 V 82 86
TA = –40°C to 125°C(2) 76 84
CMRR Common-mode rejection ratio (V–) + 0.25 V ≤ VCM ≤ (V+) – 2 V, REF and COM pins connected to ground, VS = ±12 V, RS mismatch = 20 Ω 84 dB
INPUT IMPEDANCE
Differential 850 1000 1150 kΩ
Common-mode 212.5 250 287.5 kΩ
Input resistance mismatch 0.01% 0.25%
SUPPLY DIVIDER CIRCUIT
Nominal output voltage [(V+) + (V–)] / 2 V
Output voltage offset VMID(IN) = ((V+) + (V–) / 2 2 4 mV
Input impedance VMID(IN) pin, f = 1 kHz 250 kΩ
Output resistance VMID(OUT) pin 0.35 Ω
Output voltage noise 20 Hz to 20 kHz, CMID = 1 µF 1.56 µVRMS
Output capacitive load limit Phase Margin > 45°, RISO = 0 Ω 150 pF
OUTPUT
VO Voltage output swing from rail Positive rail RL = 2 kΩ 350 mV
RL = 600 Ω 1100
Negative rail RL = 2 kΩ 430
RL = 600 Ω 1300
ZOUT Output impedance f ≤ 100 kHz, IOUT = 0 A < 1 Ω
ISC Short-circuit current VS = ±12 V ±75 mA
CLOAD Capacitive load drive See Figure 19 pF
POWER SUPPLY
IQ Quiescent current
IOUT = 0 A, INA1651-Q1 4.6 6 6.9 mA
TA = –40°C to 125°C(2) 8
IOUT = 0 A, INA1650-Q1 8 10.5 12
TA = –40°C to 125°C(2) 14
(1) Full-power bandwidth = SR / (2π × VP), where SR = slew rate.
(2) Specified by design and characterization.