AD7724
AD7724 is Dual CMOS Modulators manufactured by Analog Devices.
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Features
13 MHz Master Clock Frequency 0 V to +2.5 V or ؎ 1.25 V Input Range Single Bit Output Stream 90 dB Dynamic Range Power Supplies AVDD, DVDD: 5 V␣ ؎ 5% DVDD1: 3 V ؎ 5% Logic Outputs 3 V/5 V patible On-Chip 2.5 V Voltage Reference 48-Lead LQFP
Dual CMOS ⌺-⌬ Modulators AD7724
FUNCTIONAL BLOCK DIAGRAM
REF1 REF2A 2.5V REFERENCE REF2B
AVIN(+) AVIN(- )
⌺-⌬ MODULATOR A
ADATA
SCLK BVIN(+) BVIN(- )
⌺-⌬ MODULATOR B
BDATA XTAL OFF CLOCK CIRCUITRY XTAL1 XTAL2/MCLK DVAL
MZERO GC BIP CONTROL LOGIC
GENERAL DESCRIPTION
STBY RESET
This device consists of two seventh order sigma-delta modulators. Each modulator converts its analog input signal into a high speed 1-bit data stream....
