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| 型号： | MAX1253BEUE+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/29页 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT W/REF 16-TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 位数： | 12 |
| 采样率（每秒）： | 94k |
| 数据接口： | MICROWIRE?，QSPI?，串行，SPI? |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 6.6mW |
| 电压电源： | 模拟和数字，双 ± |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 16-TSSOP |
| 包装： | 带卷 (TR) |
| 输入数目和类型： | 8 个单端，单极；8 个单端，双极；4 个差分，单极；4 个差分，双极 |
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General Description
The MAX1253/MAX1254 are stand-alone, 10-channel (8
external, 2 internal) 12-bit system monitor ADCs with
internal reference. A programmable single-ended/dif-
ferential mux accepts voltage and remote-diode tem-
perature-sensor inputs. These devices independently
monitor the input channels without microprocessor
interaction and generate an interrupt when any variable
exceeds user-defined limits. The MAX1253/MAX1254
configure both high and low limits, as well as the num-
ber of fault cycles allowed, before generating an inter-
rupt. These ADCs can also perform recursive data
averaging for noise reduction. Programmable wait inter-
vals between conversion sequences allow the selection
of the sample rate.
At the maximum sampling rate of 94ksps (auto mode,
single channel enabled), the MAX1253 consumes only
5mW (1.7mA at 3V). AutoShutdownTM reduces supply
current to 190A at 2ksps and to less than 8A at 50sps.
Stand-alone operation, combined with ease of use in a
small package (16-pin TSSOP), makes the MAX1253/
MAX1254 ideal for multichannel system-monitoring
applications. Low power consumption also makes
these devices a good fit for hand-held and battery-pow-
ered applications.
Applications
System Supervision
Remote Telecom Networks
Server Farms
Remote Data Loggers
Features
o Monitor 10 Signals Without Processor
Intervention
o Eight External Channels Programmable as
Temperature or Voltage Monitors
o Intelligent Circuitry for Reliable Autonomous
Measurement
Programmable Digital Averaging Filter
Programmable Fault Counter
o Precision Measurements
12-Bit Resolution
±1 LSB INL, ±1 LSB DNL
±0.75°C Temperature Accuracy (typ)
o Flexible
Automatic Channel Scan Sequencer with
Programmable Intervals
Programmable Inputs: Single Ended/Differential,
Voltage/Temperature
Programmable Wait State
o Internal 2.5V/4.096V Reference
(MAX1253/MAX1254)
o Remote Temperature Sensing Up to 10m
(Differential Mode)
o Single 3V or 5V Supply Operation
o Small 16-Pin TSSOP Package
MAX1253/MAX1254
Stand-Alone, 10-Channel, 12-Bit System Monitors
with Internal Temperature Sensor and VDD Monitor
________________________________________________________________ Maxim Integrated Products
1
Selector Guide
19-2838; Rev 0; 4/03
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
*Future product—contact factory for availability.
Typical Application Circuit appears at end of data sheet.
AutoShutdown is a trademark of Maxim Integrated Products, Inc.
PART
INL (LSB)
TEMP
ERROR (°C)
SUPPLY
VOLTAGE (V)
MAX1253AEUE*
±1
±1.0
2.7 to 3.6
MAX1253BEUE
±1
±3.0
2.7 to 3.6
MAX1254AEUE*
±1
±1.0
4.5 to 5.5
MAX1254BEUE
±1
±2.5
4.5 to 5.5
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
AIN0
SCLK
CS
DIN
VDD
GND
DOUT
INT
REF
TOP VIEW
MAX1253
MAX1254
16 TSSOP
AIN1
AIN2
AIN5
AIN3
AIN4
AIN6
AIN7
Pin Configuration
Ordering Information
PART
TEMP RANGE
PIN-PACKAGE
MAX1253AEUE*
-40°C to +85°C
16 TSSOP
MAX1253BEUE
-40°C to +85°C
16 TSSOP
MAX1254AEUE*
-40°C to +85°C
16 TSSOP
MAX1254BEUE
-40°C to +85°C
16 TSSOP
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1254AEUE | 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 |
| MAX1254AEUE+ | 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 |
| MAX1254AEUE+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 |
| MAX1254AEUE-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 |
| MAX1254BEUE | 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 |
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