Datasheet Analog Devices AD7674ASTZ — 数据表

Data Sheet 18-Bit, 2.5 LSB INL, 800 kSPS, SAR ADC
AD7674 FEATURES FUNCTIONAL BLOCK DIAGRAM 18-bit resolution with no missing codes
No pipeline delay (SAR architecture)
Differential input range: ±VREF (VREF up to 5 V)
Throughput
800 kSPS (warp mode)
666 kSPS (normal mode)
570 kSPS (impulse mode)
INL: ±2.5 LSB max (±9.5 ppm of full scale)
Dynamic range : 103 dB typ (VREF = 5 V)
SINAD: 100 dB typ at 2 kHz (VREF = 5 V)
Parallel (18-, 16-, or 8-bit bus) and serial 5 V/3 V interface
SPI/QSPI™/MICROWIRE/DSP compatible
On-board reference buffer
Single 5 V supply operation
Power dissipation
98 mW typ at 800 kSPS
78 mW typ at 500 kSPS (impulse mode)
160 µW at 1 kSPS (impulse mode)
48-lead LQFP or 48-lead LFCSP
Pin-to-pin compatible upgrade of AD7676, AD7678,
and AD7679 APPLICATIONS
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