MAX1119：单电源、低功耗、2通道、串行8位ADC _ BDTIC 中国领先电子元器件代理商

MAX1119：单电源、低功耗、2通道、串行8位ADC

业内功耗最低的SOT23 ADC

The MAX1117/MAX1118/MAX1119 low-power, 8-bit, dual-channel, analog-to-digital converters (ADCs) feature an internal track/hold (T/H) voltage reference (MAX1117/MAX1119), clock, and serial interface. The MAX1118 is specified from +2.7V to +5.5V and consumes only 135µA at 100ksps. The MAX1117 is specified from +2.7V to +3.6V, and the MAX1119 is specified from +4.5V to +5.5V, each consumes only 175µA at 100ksps. The full-scale analog input range is determined by the internal reference of +2.048V (MAX1117) or +4.096V (MAX1119), or by an externally applied reference ranging from +1V to VDD (MAX1118). All devices feature an automatic shutdown mode that reduces supply current to < 1µA when the device is not in use. The 3-wire serial interface directly connects to SPI™, QSPI™, and MICROWIRE™ devices without external logic. Conversions up to 100ksps are performed using an internal clock. The MAX1117/MAX1118/MAX1119 are available in an 8-pin SOT23 package with a footprint that is only 11% of an 8-pin plastic DIP.

关键特性

Single Supply
- +2.7V to +3.6V (MAX1117)
- +2.7V to +5.5V (MAX1118)
- +4.5V to +5.5V (MAX1119)
Internal Track/Hold: 100kHz Sampling Rate
Internal Reference
- +2.048V (MAX1117)
- +4.096V (MAX1119)
Reference Input Range: 0 to VDD (MAX1118)
SPI/QSPI/MICROWIRE-Compatible Serial Interface
Small 8-Pin SOT23 Package
Automatic Power-Down
Analog Input Range: 0 to VREF
Low Power
- 175µA at 100ksps (typ) (MAX1117/MAX1119)
- 135µA at 100ksps (typ) (MAX1118)
- 18µA at 10ksps (typ)
- 1µA (typ) in Power-Down Mode

MAX1117、MAX1118、MAX1119：典型工作电路

应用

4mA至20mA供电远端数据采集系统
电池供电测试设备
低功耗、手持式便携设备
接收信号强度指示
太阳能供电远端系统
系统诊断

数据手册DataSheet

语言	下载文件	备注
英文	MAX1117-MAX1119.pdf	Rev 0; 02/2001

关键参数

Part Number	Resolution (bits)	Input Chan.	Conv. Rate (ksps)	ADC Architecture	Data Bus	Diff/S.E. Input	Internal V_REF (V)	External V_REF (V)	External V_REF (V)	Unipolar V_IN (V)	SNR (dB)	THD (dB)	INL (±LSB)	Package/Pins	Budgetary Price
Part Number	ADC	Input Chan.	max	ADC Architecture	Data Bus	Diff/S.E. Input	nominal	min	max	max	SNR (dB)	THD (dB)	INL (±LSB)	Package/Pins	See Notes
MAX1117	8	2	100	SAR	SPI	S.E. Only	2.048	-	-	2.048	48	-69	1	SOT/8	$1.04 @1k
MAX1118							-	1	5.5	5.5	48			SOT/8	$0.81 @1k
MAX1119							4.096	-	-	4.096	49			SOT/8	$1.04 @1k

开发工具

MAX1117EVSYS

订购型号

型号	状况	推荐替代产品	封装	温度	RoHS/无铅
MAX1119EKA+	生产中		SOT,；8引脚；9mm²	-40°C至+85°C	RoHS/无铅：无铅
MAX1119EKA+T	生产中		SOT,；8引脚；9mm²	-40°C至+85°C	RoHS/无铅：无铅
MAX1119EKA-T	停止供货	MAX1119EKA+T	SOT,；8引脚；9mm²	-40°C至+85°C	RoHS/无铅：否

MAX1117-MAX1119.pdf MAX1119