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AD7693BCPZRL7

更新时间： 2024-09-15 15:27:39
品牌 Logo 应用领域
亚德诺 - ADI 转换器
页数 文件大小 规格书
25页 736K
描述
16-Bit, ±0.5 LSB, 500 kSPS PulSAR® Differential A/D Converter in MSOP/QFN

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AD7693BCPZRL7 数据手册

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16-Bit, 0.5 LSB, 500 kSPS PulSAR®  
Differential ADC in MSOP/LFCSP  
Data Sheet  
AD7693  
FEATURES  
APPLICATION DIAGRAM  
+2.5V TO +5V  
+5V  
16-bit resolution with no missing codes  
Throughput: 500 kSPS  
INL/DNL: 0.25 LSB typ, 0.5 LSB max ( 8 ppm of FSR)  
Dynamic range: 96.5 dB  
VIO  
SDI  
+1.8V TO VDD  
REF VDD  
IN+  
SINAD: 96 dB at 1 kHz  
THD: −120 dB at 1 kHz  
3- OR 4-WIRE  
SCK  
SDO  
CNV  
AD7693  
INTERFACE  
±10V, ±5V, ...  
(SPI, DAISY CHAIN, CS)  
IN–  
GND  
ADA4941-1  
True differential analog input range: VREF  
0 V to VREF with VREF up to VDD on both inputs  
No pipeline delay  
Figure 2.  
Single-supply 5 V operation with  
1.8 V/2.5 V/3 V/5 V logic interface  
Proprietary serial interface  
SPI®-/QSPI™-/MICROWIRE™-/DSP-compatible1  
Daisy-chain multiple ADCs, selectable busy indicator  
Power dissipation: 40 nJ/conversion  
40 µW at 5 V/1 kSPS  
4 mW at 5 V/100 kSPS  
18 mW at 5 V/500 kSPS  
Standby current: 1 nA  
Table 1. MSOP, LFCSP/SOT-23  
14-/16-/18-Bit PulSAR ADC  
400 kSPS  
to  
500 kSPS Driver  
100  
kSPS  
250  
kSPS  
ADC  
Type  
18-Bit  
AD7691  
AD7690  
ADA4941-1  
ADA4841-x  
16-Bit True  
Differential  
AD7684 AD7687  
AD7688  
AD7693  
ADA4941-1  
ADA4841-x  
16-Bit Pseudo AD7683 AD7685  
AD7686  
ADA4841-x  
ADA4841-x  
Differential/  
Unipolar  
AD7680 AD7694  
10-lead package: MSOP (MSOP-8 size) and  
3 mm × 3 mm LFCSP (SOT-23 size)  
Pin-for-pin compatible with the 16-bit AD7687 and AD7688  
and the 18-bit AD7690 and AD7691  
14-Bit  
AD7940 AD7942  
AD7946  
GENERAL DESCRIPTION  
APPLICATIONS  
The AD7693 is a 16-bit, successive approximation analog-to-  
digital converter (ADC) that operates from a single power supply,  
VDD. It contains a low power, high speed, 16-bit sampling ADC  
with no missing codes, an internal conversion clock, and a  
versatile serial interface port. The reference voltage, VREF, is  
applied externally and can be set up to the supply voltage, VDD.  
On the CNV rising edge, it samples the voltage difference  
between the IN+ and IN− pins. The voltages on these pins  
swing in opposite phase between 0 V and VREF about VREF/2.  
Battery-powered equipment  
Data acquisitions  
Seismic data acquisition systems  
DVMs  
Instrumentation  
Medical instruments  
1.0  
POSITIVE INL = +0.17LSB  
NEGATIVE INL = –0.17LSB  
0.8  
0.6  
0.4  
Its power scales linearly with throughput.  
Using the SDI input, the SPI-compatible serial interface also  
features the ability to daisy-chain several ADCs on a single  
3-wire bus and provides an optional busy indicator. It is compatible  
with 1.8 V, 2.5 V, 3 V, or 5 V logic, using the separate VIO supply.  
0.2  
0
–0.2  
–0.4  
–0.6  
–0.8  
–1.0  
The AD7693 is housed in a 10-lead MSOP or a 10-lead LFCSP  
with operation specified from −40°C to +85°C.  
1 Protected by U.S. Patent 6,703,961.  
0
65536  
16384  
32768  
CODE  
49152  
Figure 1. Integral Nonlinearity vs. Code  
Rev. B  
Document Feedback  
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 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 ©2006–2014 Analog Devices, Inc. All rights reserved.  
Technical Support  
www.analog.com  
 
 
 
 
 
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AD7693BCPZRL7 替代型号

型号 品牌 替代类型 描述 数据表
AD7693BCPZ ADI

完全替代

 暂无描述
AD7693BRMZ ADI

完全替代

 16-Bit, ±0.5 LSB, 500 kSPS PulSAR® Differen
AD7693BCPZRL ADI

类似代替

 1-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, QCC10, 3 X 3 MM, LEAD FREE, QFN-1

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