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参数资料
| 型号： | MAX1242BMJA |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | ADC |
| 英文描述： | +2.7V to %.25V, Low-Power, 10-Bit Serial ADCs in SO-8 |
| 中文描述： | 1-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, CDIP8 |
| 封装： | CERDIP-8 |
| 文件页数： | 1/12页 |
| 文件大小： | 158K |
| 代理商： | MAX1242BMJA |
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 408-737-7600 ext. 3468.
__________________General Desc ription
The MAX1242/MAX1243 are low-power, 10-bit analog-
to-digital converters (ADCs) available in 8-pin pack-
ages. They operate with a single +2.7V to +5.25V
supply and feature a 7.5μs successive-approximation
ADC, a fast track/hold (1.5μs), an on-chip clock, and a
high-speed, 3-wire serial interface.
Power consumption is only 3mW (V
DD
= 3V) at the
73ksps maximum sampling speed. A 2μA shutdown
mode reduces power at slower throughput rates.
The MAX1242 has an internal 2.5V reference, while the
MAX1243 requires an external reference. The MAX1243
accepts signals from 0V to V
REF
, and the reference
input range includes the positive supply rail. An exter-
nal clock accesses data from the 3-wire interface,
which connects directly to standard microcontroller I/O
ports. The interface is compatible with SPI, QSPI,
and Microwire.
Excellent AC characteristics and very low power com-
bined with ease of use and small package size make
these converters ideal for remote-sensor and data-
acquisition applications, or for other circuits with
demanding power consumption and space require-
ments. The MAX1242/MAX1243 are available in 8-pin
DIP and SO packages.
Applic ations
Process Control Monitoring
Temperature Measurement
Portable Data Logging
Test Equipment
Isolated Data Acquisition
________________________________Features
o
+2.7V to +5.25V Single-Supply Operation
o
10-Bit Resolution
o
Internal 2.5V Reference (MAX1242)
o
Small Footprint: 8-Pin DIP and SO Packages
o
Low Power: 3.7mW (73ksps, MAX1242)
3mW (73ksps, MAX1243)
66μW (1ksps, MAX1243)
5μW (power-down mode)
o
Internal Track/Hold
o
SPI/QSPI/Microwire 3-Wire Serial Interface
o
Pin-Compatible 12-Bit Upgrades:
MAX1240/MAX1241
M
+2.7V to +5.25V, Low-Power, 10-Bit
S erial ADCs in S O-8
________________________________________________________________ Maxim Integrated Products
1
19-1156; Rev 2; 6/98
SPI and QSPI are trademarks of Motorola, Inc. Microwire is a trademark of National Semiconductor Corp.
Ordering Information continued at end of data sheet.
Note:
Order the MAX1242A in place of the MAX1242C. Order the
MAX1242B in place of the MAX1242D.
________________Func tional Diagram
7
8
AIN
T/H
DOUT
6
1
5
OUTPUT
SHIFT
REGISTER
CONTROL
LOGIC
2.5V
REFERENCE
MAX1242 ONLY
INT
CLOCK
10-BIT
SAR
2
3
REF
4
SHDN
SCLK
CS
MAX1242
MAX1243
V
DD
GND
TOP VIEW
1
2
3
4
8
7
6
5
SCLK
CS
DOUT
GND
REF
SHDN
AIN
V
DD
DIP/SO
MAX1242
MAX1243
Pin Configuration
_________________Ordering Information
±1
8 Plastic DIP
-40°C to +85°C
MAX1242BEPA
±
1
/
2
8 Plastic DIP
-40°C to +85°C
MAX1242AEPA
±
1
/
2
±1
8 SO
8 SO
0°C to +70°C
0°C to +70°C
MAX1242ACSA
MAX1242BCSA
±1
±
1
/
2
INL
(LSB)
8 Plastic DIP
8 Plastic DIP
PIN-
PACKAGE
TEMP. RANGE
0°C to +70°C
0°C to +70°C
MAX1242BCPA
MAX1242
ACPA
PART
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1242DCSA | 制造商:Maxim Integrated Products 功能描述: |
| MAX1243ACPA | 功能描述:模数转换器 - ADC Integrated Circuits (ICs) 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 |
| MAX1243ACPA+ | 功能描述:模数转换器 - ADC 10-Bit 73ksps 5.25V 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 |
| MAX1243ACSA | 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 |
| MAX1243ACSA+ | 功能描述:模数转换器 - ADC 10-Bit 73ksps 5.25V 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 |
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