THS4521-HT Texas instruments

THS4521-HT

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THS4521-HT

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Описание

The THS4521 is a very low-power, fully differential op amp with rail-to-rail output and an input common-mode range that includes the negative rail. This amplifier is designed for low-power data acquisition systems and high-density applications where power dissipation is a critical parameter, and provides exceptional performance in audio applications. The THS4521 features accurate output common-mode control that allows for dc-coupling when driving analog-to-digital converters (ADCs). This control, coupled with an input common-mode range below the negative rail as well as rail-to-rail output, allows for easy interfacing between single-ended, ground-referenced signal sources. Additionally, this device is ideally suited for driving both successive-approximation register (SAR) and delta-sigma (ΔΣ) ADCs using only a single 2.5-V to 3.3-V and ground power supply. The THS4521 is characterized for operation from –55°C to 210°C.

Fully Differential Architecture
Bandwidth: 40.7 MHz (210°C)
Slew Rate: 353.5 V/µs (210°C)
HD₂: –96 dBc at 1 kHz
(1 V_RMS, R_L = 1 kΩ) (210°C)
HD₃: –91.5 dBc at 1 kHz
(1 V_RMS, R_L = 1 kΩ) (210°C)
Input Voltage Noise: 19.95 nV/√Hz (f = 100 kHz)
Open-Loop Gain: 90 dB (typ) (210°C)
NRI—Negative Rail Input
RRO—Rail-to-Rail Output
Output Common-Mode Control (with Low Offset and Drift)
Power Supply:
- Voltage: 2.5 V (±1.25 V) to 3.3 V (±1.65 V)
- Current: 1.4 mA/ch (3.3 V)
Power-Down Capability: 10 µA (typ) (210°C)

Product type	Amplifiers
Die or wafer type	Known Good Die
Rating	High Temp
Operating temperature range (°C)	-55 to 175, -55 to 210