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MAX11169

更新时间: 2024-11-24 14:58:23
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亚德诺 - ADI /
页数 文件大小 规格书
26页 807K
描述
16-Bit, 250ksps, ±5V SAR ADC with Internal Reference in μMAX

MAX11169 数据手册

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EVALUATION KIT AVAILABLE  
MAX11169  
16-Bit, 250ksps, ±5V SAR ADC with  
Internal Reference in µMAX  
General Description  
The MAX11169 is a 16-bit, 250ksps, SAR ADC offering  
excellent AC and DC performance with true bipolar input  
range, internal reference, and small size. The MAX11169  
Benefits and Features  
High DC/AC Accuracy Improves Measurement  
Quality  
• 16-Bit Resolution with No Missing Codes  
• 250ksps Throughput Rates Without Pipeline Delay/  
Latency  
measures a ±5V (10V ) input range while operat-  
P-P  
ing from a single 5V supply. A patented charge-pump  
architecture allows direct sampling of high-impedance  
sources. The MAX11169 integrates a low drift reference  
with internal buffer, saving the cost and space of an exter-  
nal reference.  
• 93dB SNR and -101dB THD at 10kHz  
• 0.5 LSB  
Input-Referred Noise  
RMS  
• ±0.2 LSB DNL (typ) and ±0.5 LSB INL (typ)  
Highly Integrated ADC Saves Cost and Space  
• ±7ppm/°C Internal Reference  
This ADC achieves 93dB SNR at 10kHz and -101dB THD.  
The MAX11169 guarantees 16-bit no-missing codes and  
±0.5 LSB INL (typ).  
• Internal Reference Buffer  
• ±5V Bipolar Analog Input Range  
Wide Supply Range and Low Power Simplify  
Power-Supply Design  
The MAX11169 communicates using an SPI-compatible  
serial interface at 2.5V, 3V, 3.3V, or 5V logic. The serial  
interface can be used to daisy-chain multiple ADCs for mul-  
tichannel applications and provides a busy indicator option  
for simplified system synchronization and timing.  
• 5V Analog Supply  
• 2.3V to 5V Digital Supply  
• 33mW Power Consumption at 250ksps  
• 10µA in Shutdown Mode  
The MAX11169 is offered in a 10-pin, 3mm x 5mm,  
Multi-Industry Standard Serial Interface and Small  
Package Reduce Size  
µMAX  
M package and is specified over the -40°C to +85°C  
temperature range.  
• SPI/QSPI™/MICROWIRE®/DSP-Compatible Serial  
Interface  
• 3mm x 5mm, Tiny 10-Pin µMAX Package  
Applications  
Industrial Process Control  
Data Acquisition Systems  
Medical Instrumentation  
Automatic Test Equipment  
µMAX is a registered trademark of Maxim Integrated Products, Inc.  
QSPI is a trademark of Motorola, Inc.  
MICROWIRE is a registered trademark of National  
Semiconductor Corporation.  
Selector Guide and Ordering Information appear at end of  
data sheet.  
Typical Operating Circuit  
V
V
DD  
OVDD  
(5V)  
(2.3V TO 5V)  
1µF  
1µF  
16-Bit to 18-Bit SAR ADC Family  
14-BIT/  
500ksps  
16-BIT/  
250ksps  
16-BIT/  
500ksps  
18-BIT/  
500ksps  
10  
AIN+  
AIN-  
SCLK  
MAX9632  
SDI  
±5V  
16-BIT ADC  
HOST  
CONTROLLER  
INTERFACE AND CONTROL  
SDO  
CNVST  
MAX11167 MAX11166 MAX11156  
MAX11169 MAX11168 MAX11158  
±5V Input  
Internal REF  
4.7nF  
MAX11169  
REF  
INTERNAL  
REFERENCE  
REF  
BUF  
MAX11165 MAX11164 MAX11154  
MAX11161 MAX11160 MAX11150  
0 to 5V Input  
Internal REF  
10µF  
GND  
0 to 5V Input  
External REF  
MAX11262 MAX11163 MAX11162 MAX11152  
19-6943; Rev 3; 10/15  

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