DESCRIPTION

The WM2148 is a 14-bit, 8 MSPS analogue to digital converter with an on-chip voltage reference, high bandwidth sample and hold amplifier and programmable gain. The analogue input is differential, giving excellent common-mode noise immunity and low distortion.

FEATURES

• 14-bit resolution ADC

• 8 MSPS conversion rate

• Differential input

• 3.3V single supply

• Very low current power down mode - 20µA typical

• Microprocessor compatible parallel interface

• Internal or external voltage reference

• High bandwidth sample and hold amplifier

- 140MHz full-power bandwidth

• Programmable Gain Amplifier (PGA)

• Programmable DC offset

• Binary or two’s complement output format

• Out of range indicator

• 48-pin TQFP package, body thickness 1mm

APPLICATIONS

• Communications

• xDSL Front ends

• Industrial control

• Instrumentation