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AD7675ASTZ

更新时间： 2024-11-29 20:57:55
品牌 Logo 应用领域
亚德诺 - ADI 转换器
页数 文件大小 规格书
21页 366K
描述
16-Bit, 100 kSPS Differential PulSAR® A/D Converter

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AD7675ASTZ 数据手册

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16-Bit, 100 kSPS,  
Differential ADC  
a
AD7675  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
Throughput: 100 kSPS  
AVDD AGND REF REFGND  
DVDD DGND  
INL: ꢀ1.5 LSB Max (ꢀ0.0015% of Full Scale)  
16 Bits Resolution with No Missing Codes  
S/(N+D): 94 dB Typ @ 45 kHz  
OVDD  
OGND  
AD7675  
THD: –110 dB Typ @ 45 kHz  
Differential Input Range: ꢀ2.5 V  
Both AC and DC Specifications  
SERIAL  
PORT  
IN+  
IN–  
SWITCHED  
CAP DAC  
SER/PAR  
BUSY  
DATA[15:0]  
CS  
No Pipeline Delay  
16  
Parallel (8 Bits/16 Bits) and Serial 5 V/3 V Interface  
SPI™/QSPI™/MICROWIRE™/DSP Compatible  
Single 5 V Supply Operation  
15 mW Typical Power Dissipation, 15 ꢁW @ 100 SPS  
Power-Down Mode: 7 ꢁW Max  
PARALLEL  
INTERFACE  
CLOCK  
PD  
CONTROL LOGIC AND  
CALIBRATION CIRCUITRY  
RD  
RESET  
OB/2C  
BYTESWAP  
Packages: 48-Lead Quad Flatpack (LQFP),  
46-Lead Frame Chip Scale (LFCSP)  
Pin-to-Pin Compatible with the AD7660  
Replacement of AD676, AD677  
CNVST  
PulSAR Selection  
APPLICATIONS  
CT Scanners  
Type/kSPS  
100–250  
500–570  
1000  
Pseudo  
Differential  
AD7660  
AD7650  
AD7664  
Data Acquisition  
Instrumentation  
Spectrum Analysis  
Medical Instruments  
Battery-Powered Systems  
Process Control  
True Bipolar  
AD7663  
AD7665  
AD7676  
AD7671  
AD7677  
True Differential  
AD7675  
GENERAL DESCRIPTION  
PRODUCT HIGHLIGHTS  
The AD7675 is a 16-bit, 100 kSPS, charge redistribution SAR,  
fully differential analog-to-digital converter that operates from a  
single 5 V power supply. The part contains a high speed 16-bit  
sampling ADC, an internal conversion clock, error correction  
circuits, and both serial and parallel system interface ports.  
1. Excellent INL  
The AD7675 has a maximum integral nonlinearity of 1.5 LSB  
with no missing 16-bit code.  
2. Superior AC Performances  
The AD7675 has a minimum dynamic of 92 dB, 94 dB typical.  
The AD7675 is hardware factory calibrated and is comprehensively  
tested to ensure such ac parameters as signal-to-noise ratio (SNR)  
and total harmonic distortion (THD), in addition to the more  
traditional dc parameters of gain, offset, and linearity.  
3. Fast Throughput  
The AD7675 is a 100 kSPS, charge redistribution, 16-bit  
SAR ADC with internal error correction circuitry.  
4. Single-Supply Operation  
It is fabricated using Analog Devices’ high performance, 0.6  
micron CMOS process and is available in a 48-lead LQFP or a  
tiny 48-lead LFCSP with operation specified from –40°C to +85°C.  
The AD7675 operates from a single 5 V supply and typically  
dissipates only 17 mW. Its power dissipation decreases  
with the throughput to, for instance, only 15 µW at a 100 SPS  
throughput. It consumes 7 µW maximum when in power-down.  
5. Serial or Parallel Interface  
Versatile parallel (8 bits or 16 bits) or 2-wire serial interface  
arrangement compatible with either 3 V or 5 V logic.  
SPI and QSPI are trademarks of Motorola Inc.  
MICROWIRE is a trademark of National Semiconductor Inc.  
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, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat  
may result from its use. No license is granted by implication or otherwise  
under any patent or patent rights of Analog Devices.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781/329-4700  
Fax: 781/326-8703  
www.analog.com  
© Analog Devices, Inc., 2002  
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AD7675ASTZ 替代型号

型号 品牌 替代类型 描述 数据表
AD7675ASTZRL ADI

完全替代

 16-Bit, 100 kSPS Differential PulSAR® A/D Converter
AD7675AST ADI

完全替代

 16-Bit, 100 kSPS, Differential ADC
AD7675ASTRL ADI

类似代替

 16-Bit, 100 kSPS, Differential ADC

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