GENERAL DESCRIPTION

The AD7760 is a high performance, 24-bit Σ-Δ analog-to-digital converter (ADC). It combines wide input bandwidth and high speed with the benefits of Σ-Δ conversion to achieve a performance of 100 dB SNR at 2.5 MSPS, making it ideal for high speed data acquisition. Wide dynamic range combined with significantly reduced antialiasing requirements simplify the design process.

FEATURES

120 dB dynamic range at 78 kHz output data rate

100 dB dynamic range at 2.5 MHz output data rate

112 dB SNR at 78 kHz output data rate

100 dB SNR at 2.5 MHz output data rate

2.5 MHz maximum fully filtered output word rate

Programmable oversampling rate (8× to 256×)

Fully differential modulator input

On-chip differential amplifier for signal buffering

Low-pass finite impulse response (FIR) filter with default or

user-programmable coefficients

Modulator output mode

Overrange alert bit

Digital offset and gain correction registers

Filter bypass modes

Low power and power-down modes

Synchronization of multiple devices via SYNC pin

APPLICATIONS

Data acquisition systems

Vibration analysis

Instrumentation