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AD7699BCPZ

更新时间： 2024-09-15 06:36:11
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亚德诺 - ADI 转换器模数转换器PC
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28页 524K
描述
16-Bit, 8-Channel, 500 kSPS PulSAR ADC

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AD7699BCPZ 数据手册

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16-Bit, 8-Channel,  
500 kSPS PulSAR ADC  
AD7699  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
5V  
0.5V TO 4.096V  
0.1µF  
0.5V TO VDD  
10µF  
16-bit resolution with no missing codes  
8-channel multiplexer with choice of inputs  
Unipolar single-ended  
REFIN  
REF  
VDD  
Differential (GND sense)  
Pseudobipolar  
Throughput: 500 kSPS  
INL: 0.5 LSB typical, 1.5 LSB maximum ( 23 ppm or FSR)  
Dynamic range: 93.3 dB  
SINAD: 91.5 dB @ 20 kHz  
THD: −97 dB @ 20 kHz  
Analog input range: 0 V to VREF with VREF up to VDD  
Multiple reference types  
1.8V  
TO  
VDD  
BAND GAP  
REF  
VIO  
AD7699  
TEMP  
SENSOR  
CNV  
IN0  
IN1  
IN2  
IN3  
IN4  
IN5  
IN6  
IN7  
SCK  
SDO  
DIN  
SPI SERIAL  
INTERFACE  
16-BIT SAR  
ADC  
MUX  
ONE-POLE  
LPF  
SEQUENCER  
COM  
Internal 4.096 V  
External buffered (up to 4.096 V)  
External (up to VDD)  
GND  
Figure 1.  
Internal temperature sensor  
Channel sequencer, selectable 1-pole filter, busy indicator  
No pipeline delay, SAR architecture  
Single-supply 5 V operation with  
1.8 V to 5 V logic interface  
Table 1. Multichannel 14-/16-Bit PulSAR® ADC  
Type  
Channels 250 kSPS  
500 kSPS ADC Driver  
14-Bit  
16-Bit  
16-Bit  
8
4
8
AD7949  
AD7682  
AD7689  
ADA4841-x  
ADA4841-x  
ADA4841-x  
Serial interface compatible with SPI, MICROWIRE,  
QSPI, and DSP  
AD7699  
Power dissipation  
26 mW @ 500 kSPS  
GENERAL DESCRIPTION  
The AD7699 is an 8-channel, 16-bit, charge redistribution  
successive approximation register (SAR) analog-to-digital  
converter (ADC) that operates from a single power supply, VDD.  
5.2 μW @ 100 SPS  
Standby current: 50 nA  
20-lead 4 mm × 4 mm LFCSP package  
The AD7699 contains all components for use in a multichannel,  
low power data acquisition system, including a true 16-bit SAR  
ADC with no missing codes; an 8-channel low crosstalk multip-  
lexer useful for configuring the inputs as single-ended (with or  
without ground sense), differential, or bipolar; an internal 4.096 V  
low drift reference and buffer; a temperature sensor; a selectable  
one-pole filter; and a sequencer that is useful when channels are  
continuously scanned in order.  
APPLICATIONS  
Battery-powered equipment  
Medical instruments: ECG/EKG  
Mobile communications: GPS  
Personal digital assistants  
Power line monitoring  
Data acquisition  
Seismic data acquisition systems  
Instrumentation  
Process control  
The AD7699 uses a simple serial port interface (SPI) for writing  
to the configuration register and receiving conversion results.  
The SPI interface uses a separate supply, VIO, which is set to the  
host logic level. Power dissipation scales with throughput.  
The AD7699 is housed in a tiny 20-lead LFCSP with operation  
specified from −40°C to +85°C.  
Rev. 0  
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  
rightsof third parties that may result fromits 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 andregisteredtrademarks are the property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
Fax: 781.461.3113  
www.analog.com  
©2008 Analog Devices, Inc. All rights reserved.  
 
 
 
 
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AD7699BCPZ 替代型号

型号 品牌 替代类型 描述 数据表
AD7699BCPZRL7 ADI

完全替代

 16-Bit, 8-Channel, 500 kSPS PulSAR ADC

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