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AD7679ACPZRL PDF预览

AD7679ACPZRL

更新时间： 2024-11-30 01:16:27
品牌 Logo 应用领域
亚德诺 - ADI 转换器
页数 文件大小 规格书
29页 506K
描述
18-Bit, 2.5 LSB INL, 570 kSPS SAR ADC

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AD7679ACPZRL 数据手册

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18-Bit, 2.5 LSB INL, 570 kSPS SAR ADC  
AD7679  
FUNCTIONAL BLOCK DIAGRAM  
FEATURES  
PDBUF  
REF  
REFGND  
DVDD DGND  
18-bit resolution with no missing codes  
No pipeline delay (SAR architecture)  
Differential input range: ±±REF (±REF up to 5 ±)  
Throughput: 570 kSPS  
AGND  
AVDD  
OVDD  
OGND  
AD7679  
SERIAL  
PORT  
REFBUFIN  
18  
INL: ±2.5 LSB max (±9.5 ppm of full scale)  
Dynamic range : 103 dB typ (±REF = 5 ±)  
S/(N+D): 100 dB typ @ 2 kHz (±REF = 5 ±)  
Parallel (18-,16-, or 8-bit bus) and serial 5 ±/3 ± interface  
SPI®/QSPI™/MICROWIRE™/DSP compatible  
On-board reference buffer  
IN+  
IN–  
SWITCHED  
CAP DAC  
D[17:0]  
BUSY  
PARALLEL  
INTERFACE  
RD  
CS  
CLOCK  
PD  
CONTROL LOGIC AND  
CALIBRATION CIRCUITRY  
MODE0  
MODE1  
RESET  
Single 5 ± supply operation  
Power dissipation: 76 mW @ 500 kSPS  
150 μW @ 1 kSPS  
CNVST  
03085–0–001  
48-lead LQFP or 48-lead LFCSP package  
Pin-to-pin compatible upgrade of AD7674/AD7676/AD7678  
Figure 1. Functional Block Diagram  
Table 1. PulSAR Selection  
APPLICATIONS  
800–  
1000  
Type/kSPS  
100–250  
500–570  
CT scanners  
High dynamic data acquisition  
Geophone and hydrophone sensors  
Σ-Δ replacement (low power, multichannel)  
Instrumentation  
Spectrum analysis  
Medical instruments  
Pseudo-  
Differential  
AD7651  
AD7650/AD7652 AD7653  
AD7660/AD7661 AD7664/AD7666 AD7667  
True Bipolar  
AD7663  
AD7675  
AD7665  
AD7676  
AD7671  
AD7677  
True  
Differential  
18-Bit  
AD7678  
AD7679  
AD7674  
Multichannel/  
Simultaneous  
AD7654  
AD7655  
PRODUCT HGHLIGHTS  
GENERAL DESCRIPTION  
1. High Resolution, Fast Throughput.  
The AD7679 is an 18-bit, 570 kSPS, charge redistribution SAR,  
fully differential analog-to-digital converter that operates on a  
single 5 V power supply. The part contains a high speed 18-bit  
sampling ADC, an internal conversion clock, an internal  
reference buffer, error correction circuits, and both serial and  
parallel system interface ports.  
The AD7679 is a 570 kSPS, charge redistribution, 18-bit  
SAR ADC (no latency).  
2. Excellent Accuracy.  
The AD7679 has a maximum integral nonlinearity of  
2.5 LSB with no missing 18-bit codes.  
3. Serial or Parallel Interface.  
The part is available in a 48-lead LQFP or 48-lead LFCSP with  
operation specified from –40°C to +85°C.  
Versatile parallel (18-, 16-, or 8-bit bus) or 3-wire serial  
interface arrangement compatible with both 3 V and  
5 V logic.  
Rev. A  
Information furnished by Analog Devices is believed to be accurate and reliable. However, no  
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other  
rights of third parties that may result from its use. Specifications subject to change without notice. No  
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.  
Trademarks and registeredtrademarks arethe property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
www.analog.com  
Fax: 781.461.3113 ©2003–2009 Analog Devices, Inc. All rights reserved.  
 
 
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AD7679ACPZRL 替代型号

型号 品牌 替代类型 描述 数据表
AD7679ACPRL ADI

完全替代

 18-Bit, 2.5 LSB INL, 570 kSPS SAR ADC
AD7679ACP ADI

完全替代

 18-Bit, 2.5 LSB INL, 570 kSPS SAR ADC
AD7679ACPZ ADI

类似代替

 18-Bit, 570 kSPS PulSAR® A/D Converter

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