Datasheet AD7678 (Analog Devices)
| 制造商 | Analog Devices |
| 描述 | 18-Bit,100 kSPS PulSAR® A/D Converter |
| 页数 / 页 | 29 / 1 — 18-Bit, 2.5 LSB INL, 100 kSPS SAR ADC. AD7678. FEATURES. FUNCTIONAL BLOCK … |
| 修订版 | A |
| 文件格式/大小 | PDF / 441 Kb |
| 文件语言 | 英语 |
18-Bit, 2.5 LSB INL, 100 kSPS SAR ADC. AD7678. FEATURES. FUNCTIONAL BLOCK DIAGRAM. 18-bit resolution with no missing codes. PDBUF
该数据表的模型线
文件文字版本
18-Bit, 2.5 LSB INL, 100 kSPS SAR ADC AD7678 FEATURES FUNCTIONAL BLOCK DIAGRAM 18-bit resolution with no missing codes PDBUF REF REFGND DVDD DGND No pipeline delay (SAR architecture) AGND OVDD Differential input range: ±V AVDD AD7678 REF (VREF up to 5 V) SERIAL OGND Throughput: 100 kSPS REFBUFIN PORT INL: ±2.5 LSB max (±9.5 ppm of full scale) 18 IN+ SWITCHED D[17:0] Dynamic range: 103 dB typ (V CAP DAC REF = 5 V) IN– BUSY S/(N+D): 100 dB typ @ 2 kHz (VREF = 5 V) PARALLEL INTERFACE RD Parallel (18-,16-, or 8-bit bus) and serial 5 V/3 V interface CLOCK CS SPI®/QSPI™/MICROWIRE™/DSP compatible PD CONTROL LOGIC AND MODE0 On-board reference buffer CALIBRATION CIRCUITRY RESET MODE1 Single 5 V supply operation Power dissipation: 18 mW @ 100 kSPS 180 μW @ 1 kSPS CNVST
03084–0–001
48-lead LQFP or 48-lead LFCSP package
Figure 1. Functional Block Diagram
Pin-to-pin compatible upgrade of AD7674/AD7676/AD7679 APPLICATIONS Table 1. PulSAR Selection CT scanners 800– High dynamic data acquisition Type/kSPS 100–250 500–570 1000 Geophone and hydrophone sensors
Pseudo-
03084–0–001
48-lead LQFP or 48-lead LFCSP package
Figure 1. Functional Block Diagram
Pin-to-pin compatible upgrade of AD7674/AD7676/AD7679 APPLICATIONS Table 1. PulSAR Selection CT scanners 800– High dynamic data acquisition Type/kSPS 100–250 500–570 1000 Geophone and hydrophone sensors
Pseudo-