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General Description
The MAX1361/MAX1362 low-power, 10-bit, 4-channel,
analog-to-digital converters (ADCs) feature a digitally
programmable window comparator with an interrupt out-
put for automatic system-monitoring applications. Once
configured, monitor mode automatically asserts an inter-
rupt when any analog input exceeds the programmed
upper or lower thresholds, without interaction to the
host. The MAX1361/MAX1362 respond to the SMBus
alert, allowing quick identification of the alarming device
on a shared interrupt. A programmable delay between
monitoring intervals lowers power consumption at
reduced monitoring rates.
In addition, the MAX1361/MAX1362 integrate an internal
voltage reference, a clock, and a 1.7MHz, high-speed,
I2C-compatible, 2-wire, serial interface. The optimized
interface allows a maximum conversion rate of 94.4ksps
in normal mode while reading back the conversion
results. Each of the four analog inputs is configurable for
single-ended or fully differential operation and unipolar
or bipolar operation. Two scan modes utilize on-chip
random access memory (RAM) to allow eight conver-
sions of a selected channel or scanning of a group of
channels to reduce interface overhead.
These devices operate from a single 2.7V to 3.6V
(MAX1361) or 4.5V to 5.5V (MAX1362) supply and
require only 436A at the maximum sampling rate of
150ksps in monitor mode and 670A at the maximum
sampling rate of 94.4ksps. AutoShutdown powers
down the devices between conversions, reducing sup-
ply current to less than 0.5A when idle.
The full-scale analog-input range is determined by the
internal reference or by an externally applied reference
voltage ranging from 1V to VDD. The MAX1361 features
a 2.048V internal reference, and the MAX1362 features
a 4.096V internal reference.
The MAX1361/MAX1362 are available in a 10-pin
MAX package and are specified over the extended
-40°C to +85°C temperature range. For 12-bit applica-
tions, refer to the pin-compatible MAX1363/MAX1364
data sheet.
Applications
System Monitoring/Supervision
Servers/Workstations
High Reliability Power Supplies
Medical Instrumentation
Features
Monitor Mode
Programmable Lower/Upper Trip Threshold
Alarm-Status Register Records Fault Events
SMBus Alert Response
Programmable Sampling Intervals
10-Bit I2C-Compatible ADC
±1 LSB INL, ±1 LSB DNL
4-Channel Single-Ended or 2-Channel Fully
Differential Inputs
Software Programmable Bipolar/Unipolar
Conversions
Fast Sampling Rate
94.4ksps While Continuously Reading
Conversions
150ksps in Monitor Mode
High-Speed I2C-Compatible Serial Interface
100kHz/400kHz Standard/Fast Mode
Up to 1.7MHz High-Speed Mode
4 Available I2C Slave Addresses
Single Supply
2.7V to 3.6V (MAX1361)
4.5V to 5.5V (MAX1362)
Internal Reference
2.048V (MAX1361)
4.096V (MAX1362)
External Reference: 1V to VDD
Low Power
436A in Monitor Mode (150ksps)
670A at 94.4ksps
6A at 1ksps
0.5A in Power-Down Mode
Small Package
10-Pin MAX
MAX1361/MAX1362
4-Channel, 10-Bit, System Monitors with Programmable
Trip Window and SMBus Alert Response
________________________________________________________________
Maxim Integrated Products
1
Ordering Information/Selector Guide
19-3268; Rev 5; 9/10
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
PART
TEMP RANGE
PIN-PACKAGE
I
2C SLAVE ADDRESS
SUPPLY VOLTAGE (V)
MAX1361EUB+
-40°C to +85°C
10 μMAX
0110100/0110101
2.7 to 3.6
MAX1361MEUB+
-40°C to +85°C
10 μMAX
0110110/0110111
2.7 to 3.6
SMBus is a trademark of Intel Corporation.
AutoShutdown is a trademark of Maxim Integrated Products, Inc.
MAX is a registered trademark of Maxim Integrated Products, Inc.
Typical Operating Circuit and Pin Configuration appear at
end of data sheet.
Ordering Information/Selector Guide continued at end of data sheet.
+
Denotes a lead(Pb)-free/RoHS-compliant package.
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相关代理商/技术参数
MAX1361MEUB-T
功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32
MAX1362EUB
功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32
MAX1362EUB+
功能描述:模数转换器 - ADC 10-Bit 4Ch 150ksps 5.5V Precision ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32
MAX1362EUB+T
功能描述:模数转换器 - ADC 10-Bit 4Ch 150ksps 5.5V Precision ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32
MAX1362EUB-T
功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32
MAX1362LEUB+T
制造商:Maxim Integrated Products 功能描述:ADC SGL SAR 150KSPS 10-BIT SERL 10PIN UMAX - Tape and Reel
MAX1362LEUB-T
制造商:Maxim Integrated Products 功能描述:4-CHANNEL, 10-BIT, SYSTEM MONITOR WITH PROGRA - Tape and Reel
MAX1362MEUB
功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32