Produktdetails

Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 2.7 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 5.4 BW at Acl (MHz) 620 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 1500 Architecture Bipolar, Fully Differential ADC Driver Vn at flatband (typ) (nV√Hz) 2.2 Iq per channel (typ) (mA) 10.1 Rail-to-rail In to V-, Out Vos (offset voltage at 25°C) (max) (mV) 0.45 Operating temperature range (°C) -40 to 125 Iout (typ) (mA) 100 2nd harmonic (dBc) 95 3rd harmonic (dBc) 90 Frequency of harmonic distortion measurement (MHz) 10 GBW (typ) (MHz) 850 Input bias current (max) (pA) 13000000 Features Decompensated, Shutdown CMRR (typ) (dB) 100 Rating Automotive
Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 2.7 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 5.4 BW at Acl (MHz) 620 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 1500 Architecture Bipolar, Fully Differential ADC Driver Vn at flatband (typ) (nV√Hz) 2.2 Iq per channel (typ) (mA) 10.1 Rail-to-rail In to V-, Out Vos (offset voltage at 25°C) (max) (mV) 0.45 Operating temperature range (°C) -40 to 125 Iout (typ) (mA) 100 2nd harmonic (dBc) 95 3rd harmonic (dBc) 90 Frequency of harmonic distortion measurement (MHz) 10 GBW (typ) (MHz) 850 Input bias current (max) (pA) 13000000 Features Decompensated, Shutdown CMRR (typ) (dB) 100 Rating Automotive
VQFN (RGT) 16 9 mm² 3 x 3
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
  • Bandwidth: 500 MHz (G = 2 V/V)
  • Gain bandwidth product: 850 MHz
  • Slew rate: 1500 V/µs
  • HD2: –95 dBc at 10 MHz (2 VPP, RL = 500 Ω)
  • HD3: –90 dBc at 10 MHz (2 VPP, RL = 500 Ω)
  • Input voltage noise: 2.2 nV/Hz (f > 100 kHz)
  • Low offset drift: ±0.5 µV/°C (typ)
  • Negative rail input (NRI)
  • Rail-to-rail output (RRO)
  • Power supply:
    • Single-supply voltage range: 2.7 V to 5.4 V
    • Split-supply voltage range: ±1.35 V to ±2.7 V
    • Quiescent current: 10.1 mA (5-V supply)
  • Power-down capability: 2 µA (typ)
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
  • Bandwidth: 500 MHz (G = 2 V/V)
  • Gain bandwidth product: 850 MHz
  • Slew rate: 1500 V/µs
  • HD2: –95 dBc at 10 MHz (2 VPP, RL = 500 Ω)
  • HD3: –90 dBc at 10 MHz (2 VPP, RL = 500 Ω)
  • Input voltage noise: 2.2 nV/Hz (f > 100 kHz)
  • Low offset drift: ±0.5 µV/°C (typ)
  • Negative rail input (NRI)
  • Rail-to-rail output (RRO)
  • Power supply:
    • Single-supply voltage range: 2.7 V to 5.4 V
    • Split-supply voltage range: ±1.35 V to ±2.7 V
    • Quiescent current: 10.1 mA (5-V supply)
  • Power-down capability: 2 µA (typ)

The THS4541-Q1 is a low-power, voltage-feedback, fully differential amplifier (FDA) with an input common-mode range below the negative rail, and rail-to-rail output. Designed for low-power data acquisition systems where high density is critical in a high-performance analog-to-digital converter (ADC) or digital-to-analog converter (DAC) interface design.

The THS4541-Q1 features the negative-rail input required when interfacing a DC-coupled, ground-centered, source signal. This negative-rail input, with rail-to-rail output, allows for easy interface between single-ended, ground-referenced, bipolar signal sources and a wide variety of successive approximation register (SAR), delta-sigma (ΔΣ), or pipeline ADCs using only a single 2.7-V to 5.4-V power supply.

The THS4541-Q1 is characterized for operation over the wide temperature range of –40°C to +125°C and is available in a 16-pin VQFN package both with and without wettable flanks. The package with wettable flanks eases post-assembly visual inspection and is available as the THS4541W-Q1.

The THS4541-Q1 is a low-power, voltage-feedback, fully differential amplifier (FDA) with an input common-mode range below the negative rail, and rail-to-rail output. Designed for low-power data acquisition systems where high density is critical in a high-performance analog-to-digital converter (ADC) or digital-to-analog converter (DAC) interface design.

The THS4541-Q1 features the negative-rail input required when interfacing a DC-coupled, ground-centered, source signal. This negative-rail input, with rail-to-rail output, allows for easy interface between single-ended, ground-referenced, bipolar signal sources and a wide variety of successive approximation register (SAR), delta-sigma (ΔΣ), or pipeline ADCs using only a single 2.7-V to 5.4-V power supply.

The THS4541-Q1 is characterized for operation over the wide temperature range of –40°C to +125°C and is available in a 16-pin VQFN package both with and without wettable flanks. The package with wettable flanks eases post-assembly visual inspection and is available as the THS4541W-Q1.

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Technische Dokumentation

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Typ Titel Datum
* Data sheet THS4541-Q1 Negative Rail Input, Rail-to-Rail Output, Precision, 850-MHz Fully Differential Amplifier datasheet (Rev. B) PDF | HTML 15 Nov 2019
E-book The Signal e-book: A compendium of blog posts on op amp design topics 28 Mär 2017
Application note Design for a Wideband Differential Transimpedance DAC Output (Rev. A) 17 Okt 2016
Application note Design for a Wideband Differential Transimpedance DAC Output 18 Apr 2008
Application note Noise Analysis for High Speed Op Amps (Rev. A) 17 Jan 2005

Design und Entwicklung

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Referenzdesigns

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