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REF31-Q1 PDF预览

REF31-Q1

更新时间: 2024-10-01 11:12:03
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德州仪器 - TI /
页数 文件大小 规格书
27页 1292K
描述
汽车类、20ppm/°C(最大值)、100µA、3 引脚 SOT-23 串联电压基准

REF31-Q1 数据手册

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REF3112-Q1, REF3120-Q1, REF3125-Q1  
REF3130-Q1, REF3133-Q1, REF3140-Q1  
SBVS299 APRIL 2017  
REF31xx-Q1 15 ppm/°C Maximum, 100-µA, SOT-23 Series Voltage Reference  
1 Features  
3 Description  
The REF31xx-Q1 is a family of precision, low power,  
low dropout, series voltage references available in the  
tiny 3-pin SOT-23 package.  
1
AEC-Q100 Qualified With the Following Results:  
Device TA Range: –40°C to 125°C  
Device HBM ESD Classification Level H1C  
Device CDM ESD Classification Level C4A  
The REF31xx-Q1 small size and low power  
consumption (100 μA typical) make it ideal for  
portable and battery-powered applications. The  
REF31xx-Q1 does not require a load capacitor, but is  
stable with any capacitive load and can sink or  
source up to 10 mA of output current.  
High Accuracy: 0.2% Maximum  
Excellent Specified Drift Performance:  
20 ppm/°C (Maximum) from –40°C to +125°C  
High Output Current: ±10 mA  
Low Dropout: 5 mV  
Unloaded, the REF31xx-Q1 can operate on supplies  
down to 5 mV above the output voltage. All models  
are specified for the wide temperature range of –40°C  
to +125°C.  
Low IQ: 115 µA Maximum  
Low Noise: 17 µVp-p/V  
No Output Capacitor Required  
Device Information(1)  
Available Voltage Options : 1.2 V, 2 V, 2.5 V, 3 V,  
3.3 V, 4 V  
PART NUMBER  
PACKAGE  
BODY SIZE (NOM)  
REF3112-Q1  
REF3120-Q1  
REF3125-Q1  
REF3130-Q1  
REF3133-Q1  
REF3140-Q1  
MicroSize Package: 3-Pin SOT-23  
SOT-23 (3)  
2.92 mm × 1.30 mm  
2 Applications  
HEV/EV Powertrain Systems  
(1) For all available packages, see the orderable addendum at  
the end of the data sheet.  
Automotive Battery Management Systems  
Inverter  
Electric Power Steering Systems  
Advanced Driver Assistance Systems (ADAS)  
Radar Systems  
Night Vision Systems  
Dynamic Spotlight  
Front Camera  
Infotainment MCU Attached  
Portable, Battery-Powered Equipment  
SPACER  
Typical Application  
Quiescent Current vs Temperature  
3.3V  
REF3133-Q1  
120  
V+  
5W  
GND  
100  
80  
60  
40  
20  
0
+
1mF to  
10mF  
VS  
ADS7822  
VREF  
VCC  
+
1mF to 10mF  
0.1mF  
Microcontroller  
+In  
CS  
DOUT  
VIN  
-In  
GND  
DCLOCK  
Copyright © 2016, Texas Instruments Incorporated  
-60 -40 -20  
0
20  
40  
60  
80 100 120 140  
Temperature (°C)  
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,  
intellectual property matters and other important disclaimers. PRODUCTION DATA.  
 
 
 

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