详情
The AD*****4/AD*****4/AD*****4 are
**-bit, **-bit, and **-bit compatible, quad, simultaneous
sampling, high-speed, successive approximation register (SAR),
analog-to-digital converters (ADCs) operating from a 3.0 V to 3.3
V power supply with throughput rates up to 4 MSPS. The
single-ended analog accepts voltage from 0 V to VREF, and
is sampled and converted on the falling edge of CS.
The AD*****4/AD*****4/AD*****4
have on-chip oversampling blocks to improve dynamic range and
reduce noise at lower bandwidths. The oversampling can boost up
to two bits of added resolution. The REFIO pin can have a
reference voltage (VREF) of 2.5 V to 3.3 V.
The conversion process and data
acquisition use standard control s, allowing easy
interfacing to microprocessors or digital signal processors
(DSPs). The conversion result can clock out simultaneously via
*-wire mode for faster throughput or via *-wire serial mode when
slower throughput is allowed. The device is compatible with 1.8
V, 2.5 V, and 3.3 V interfaces using the separate logic
supply.
The AD*****4/AD*****4/AD*****4 are
available in a **-lead lead frame chip scale package (LFCSP) and
operate over a temperature range of −*0°C to ***5°C
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