1 Features

1• Fully Differential Architecture

• Bandwidth: 145 MHz (A V = 1 V/V)

• Slew Rate: 490 V/μs

• HD2: –133 dBc at 10 kHz (1 VRMS, RL = 1 kΩ)

• HD 3: –141 dBc at 10 kHz (1 VRMS, RL = 1 kΩ)

• Input Voltage Noise: 4.6 nV/√Hz (f = 100 kHz)

• THD+N: –112dBc (0.00025%) at 1 kHz (22-kHz

BW, G = 1, 5 VPP)

• Open-Loop Gain: 119 dB (DC)

• NRI—Negative Rail Input

• RRO—Rail-to-Rail Output

• Output Common-Mode Control (with Low Offset)

• Power Supply:

– Voltage: +2.5 V (±1.25 V) to +5.5 V (±2.75 V)

– Current: 1.14 mA/ch

• Power-Down Capability: 20 μA (typical)

2 Applications

. Low-Power SAR and ΔΣ ADC Drivers

. Low-Power Differential Drivers

. Low-Power Differential Signal Conditioning

. Low-Power, High-Performance Differential Audio

Amplifiers

3 Description

The THS4521, THS4522, and THS4524 family of

devices are very low-power, fully differential

amplifiers with rail-to-rail output and an input

common-mode range that includes the negative rail.

These amplifiers are designed for low-power data

acquisition systems and high-density applications

where power dissipation is a critical parameter, and

provide exceptional performance in audio

applications.

The family includes single FDA (THS4521), dual FDA

(THS4522), and quad FDA (THS4524) versions.