MAX873A, MAX873B：低功耗、低漂移、+2.5V/+5V/+10V精密电压基准

The MAX873/MAX875/MAX876 precision 2.5V, 5V, and 10V references offer excellent accuracy and very low power consumption. Extremely low temperature drift combined with excellent line and load regulation permit stable operation over a wide range of electrical and environmental conditions. Operation for the MAX873 is guaranteed with a +4.5V supply, making the part ideal in systems running from a +5V ±10% supply. Low 10Hz to 1kHz noise—typically 3.8µVRMS, 9µVRMS, and 18µVRMS, respectively, for the MAX873, MAX875, MAX876—make the parts suitable for 12-bit data-acquisition systems. A TRIM pin facilitates adjustment of the reference voltage over a ±6% range, using only a 100kΩ potentiometer. A voltage output proportional to temperature provides a source for temperature compensation circuits, temperature warning circuits, and other applications.

关键特性

MAX873/MAX875/MAX876
- +2.5V/+5V/+10V Outputs
- ±1.5mV/±2.0mV/±3.0mV (max) Initial Accuracy
7ppm/°C (max) Temperature Coefficient
450µA (max) Quiescent Current
Low Noise: 3.8µVP-P (typ at 2.5V)
Sources 10mA, Sinks 2mA
15ppm/mA Load Regulation (max)
4ppm/V Line Regulation (max)
Wide Supply Voltage Range, +4.5V to +18V (MAX873)
TEMP Output Proportional to Temperature

MAX873、MAX875、MAX876：典型工作电路

应用

12位ADC与DAC
数字万用表
低功耗测试设备
便携式数据采集系统

数据手册DataSheet

语言	下载文件	备注
英文	MAX873-MAX876.pdf	Rev 3; 06/2007

关键参数

Part Number	V_OUT (V)	Temp. Coeff. (ppm/°C)	Initial Accuracy (% max)	I_SUPPLY (µA)	V_SUPPLY (V)	V_SUPPLY (V)	Noise 0.1Hz to 10Hz (µVpp)	Oper. Temp. (°C)	Package/Pins	Budgetary Price
Part Number	V_OUT (V)	max	@ +25°C	max	min	max	typ	Oper. Temp. (°C)	Package/Pins	See Notes
MAX873A	2.5	7	0.06	280	4.5	18	16	-40 to +85	CDIP(N)/8 SOIC(N)/8	$4.31 @1k
MAX873B	2.5	20	0.1	280	4.5		16		CDIP(N)/8 SOIC(N)/8	$2.61 @1k
MAX875A	5	7	0.04	280	7		32		CDIP(N)/8 PDIP(N)/8 SOIC(N)/8	$9.73 @500
MAX875B	5	20	0.06	280	7		32		CDIP(N)/8 PDIP(N)/8 SOIC(N)/8	$5.96 @1k
MAX876A	10	7	0.03	550	12		18		CDIP(N)/8 PDIP(N)/8 SOIC(N)/8	$4.31 @1k
MAX876B	10	20	0.05	550	12		18		CDIP(N)/8 PDIP(N)/8 SOIC(N)/8	$2.45 @1k

订购型号

型号	状况	推荐替代产品	封装	温度	RoHS/无铅
MAX873AESA	停止供货	MAX873AESA+	SOIC(N),；8引脚；30.9mm²	-40°C至+85°C	RoHS/无铅：否
MAX873AESA+	生产中		SOIC(N),；8引脚；30.9mm²	-40°C至+85°C	RoHS/无铅：无铅
MAX873AESA+T	生产中		SOIC(N),；8引脚；30.9mm²	-40°C至+85°C	RoHS/无铅：无铅
MAX873AESA-T	停止供货	MAX873AESA+T	SOIC(N),；8引脚；30.9mm²	-40°C至+85°C	RoHS/无铅：否
MAX873AMJA	停止供货		CDIP(N),；8引脚；82.6mm²	-55°C至+125°C	RoHS/无铅：否

MAX873-MAX876.pdf MAX876B