THS4541-Q1 Texas instruments

THS4541-Q1

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THS4541-Q1

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Описание

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.

AEC-Q100 qualified for automotive applications:
- Temperature grade 1: –40°C to +125°C, T_A
Bandwidth: 500 MHz (G = 2 V/V)
Gain bandwidth product: 850 MHz
Slew rate: 1500 V/µs
HD₂: –95 dBc at 10 MHz (2 V_PP, R_L = 500 Ω)
HD₃: –90 dBc at 10 MHz (2 V_PP, R_L = 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)

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