Datasheet Analog Devices AD7264BSTZ — 数据表

FEATURES FUNCTIONAL BLOCK DIAGRAM Dual, simultaneous sampling, 14-bit, 2-channel ADC
True differential analog inputs
Programmable gain stage: ×1, ×2, ×3, ×4, ×6, ×8, ×12, ×16,
×24, ×32, ×48, ×64, ×96, ×128
Throughput rate per ADC
1 MSPS for AD7264
500 kSPS for AD7264-5
Analog input impedance: >1 GΩ
Wide input bandwidth
−3 dB bandwidth: 1.7 MHz at gain = 2
4 on-chip comparators
SNR: 78 dB typical at gain = 2, 71 dB typical at gain = 32
Device offset calibration
System gain calibration
On-chip reference: 2.5 V
−40°C to +105°C operation
High speed serial interface
Compatible with SPI, QSPI™, MICROWIRE™, and DSP
48-lead LFCSP and LQFP packages VREF A AVCC REF VA+
VA– PGA The AD7264 is a dual, 14-bit, high speed, low power, successive
approximation ADC that operates from a single 5 V power supply
and features throughput rates of up to 1 MSPS per on-chip ADC
(500 kSPS for the AD7264-5). Two complete ADC functions …