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| 型号： | MAX1138 |
| 厂商： | Maxim Integrated Products, Inc. |
| 元件分类： | 串行ADC |
| 英文描述： | 2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial 10-Bit ADCs |
| 中文描述： | 2.7V至3.6V及4.5V至5.5V、低功耗、4/12通道、2线串行接口、10位ADC |
| 文件页数： | 1/22页 |
| 文件大小： | 471K |
| 代理商： | MAX1138 |
General Description
The MAX1136–MAX1139 low-power, 10-bit, multichan-
nel analog-to-digital converters (ADCs) feature internal
track/hold (T/H), voltage reference, clock, and an
I
2
C-compatible 2-wire serial interface. These devices
operate from a single supply of 2.7V to 3.6V (MAX1137/
MAX1139) or 4.5V to 5.5V (MAX1136/MAX1138) and
require only 670μA at the maximum sampling rate of
94.4ksps. Supply current falls below 230μA for sam-
pling rates under 46ksps. AutoShutdown powers
down the devices between conversions, reducing sup-
ply current to less than 1μA at low throughput rates.
The MAX1136/MAX1137 have four analog input chan-
nels each, while the MAX1138/MAX1139 have 12 ana-
log input channels each. The fully differential analog
inputs are software configurable for unipolar or bipolar,
and single ended or differential operation.
The full-scale analog input range is determined by the
internal reference or by an externally applied reference
voltage ranging from 1V to V
DD
. The MAX1137/
MAX1139 feature a 2.048V internal reference and the
MAX1136/MAX1138 feature a 4.096V internal reference.
The MAX1136/MAX1137 are available in an 8-pin μMAX
package. The MAX1138/MAX1139 are available in a
16-pin QSOP package. The MAX1136–MAX1139 are
guaranteed over the extended temperature range
(-40°C to +85°C). For pin-compatible 12-bit parts, refer
to the MAX1136–MAX1139 data sheet. For pin-compati-
ble 8-bit parts, refer to the MAX1036–MAX1039 data
sheet.
Applications
Hand-Held Portable Applications
Medical Instruments
Battery-Powered Test Equipment
Solar-Powered Remote Systems
Received-Signal-Strength Indicators
System Supervision
Features
o
High-Speed I
2
C-Compatible Serial Interface
400kHz Fast Mode
1.7MHz High-Speed Mode
o
Single-Supply
2.7V to 3.6V (MAX1137/MAX1139)
4.5V to 5.5V (MAX1136/MAX1138)
o
Internal Reference
2.048V (MAX1137/MAX1139)
4.096V (MAX1136/MAX1138)
o
External Reference: 1V to V
DD
o
Internal Clock
o
4-Channel Single-Ended or 2-Channel Fully
Differential (MAX1136/MAX1137)
o
12-Channel Single-Ended or 6-Channel Fully
Differential (MAX1138/MAX1139)
o
Internal FIFO with Channel-Scan Mode
o
Low Power
670μA at 94.4ksps
230μA at 40ksps
60μA at 10ksps
6μA at 1ksps
0.5μA in Power-Down Mode
o
Software-Configurable Unipolar/Bipolar
o
Small Packages
8-Pin μMAX (MAX1136/MAX1137)
16-Pin QSOP (MAX1138/MAX1139)
M
2.7V to 3.6V and 4.5V to 5.5V, Low-Power,
4-/12-Channel, 2-Wire Serial 10-Bit ADCs
________________________________________________________________
Maxim Integrated Products
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.
1
Ordering Information
19-2334; Rev 1; 4/02
Pin Configurations appear at end of data sheet.
Typical Operating Circuit appears at end of data sheet.
Selector Guide appears at end of data sheet.
PART
TEMP
RANGE
-40
°
C to +85
°
C
-40
°
C to +85
°
C
-40
°
C to +85
°
C
-40
°
C to +85
°
C
PIN-
PACKAGE
8 μMAX
8 μMAX
16 QSOP
16 QSOP
INL
(LSB)
±
1
±
1
±
1
±
1
MAX1136
EUA
MAX1137
EUA
MAX1138
EEE
MAX1139
EEE
AutoShutdown is a trademark of Maxim Integrated Products, Inc.
I
2
C is a trademark of Philips Corp.
相关PDF资料 |
PDF描述 |
|---|---|
| MAX1139 | 2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial 10-Bit ADCs |
| MAX1138EEE | 2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial 10-Bit ADCs |
| MAX1139EEE | Low-Voltage Adjustable Precision Shunt Regulator 3-SOT-89 -40 to 85 |
| MAX1136EUA | 2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial 10-Bit ADCs |
| MAX1137EUA | 2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial 10-Bit ADCs |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1138EEE | 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 |
| MAX1138EEE+ | 功能描述:模数转换器 - ADC 10-Bit 12Ch 94.4ksps 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 |
| MAX1138EEE+T | 功能描述:模数转换器 - ADC 10-Bit 12Ch 94.4ksps 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 |
| MAX1138EEE-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 |
| MAX1138KEEE | 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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