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參數(shù)資料
| 型號(hào)： | MAX1272EUA |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | ADC |
| 英文描述： | Fault-Protected, 12-Bit ADCs with Software-Selectable Input Range |
| 中文描述： | 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8 |
| 封裝： | MO-187CAA, USOP-8 |
| 文件頁(yè)數(shù)： | 1/20頁(yè) |
| 文件大小： | 850K |
| 代理商： | MAX1272EUA |
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General Description
The MAX1272/MAX1273 multirange 12-bit data-acquisi-
tion systems (DAS) operate with a single 5V supply. The
software-programmable analog input accepts a variety
of voltage ranges: ±10V, ±5V, 0 to 10V, 0 to 5V for the
MAX1272; ±V
REF
, ±V
REF
/ 2, 0 to V
REF
, 0 to V
REF
/ 2 for
the MAX1273. The software-selectable extended analog
input range increases the effective dynamic range to 14
bits and provides the flexibility to interface 4–20mA pow-
ered sensors directly to a single 5V system. In addition,
the MAX1272 provides fault protection to ±12V. Other
features include a 5MHz track/hold (T/H) bandwidth,
87ksps throughput rate, and internal (4.096V) or external
(2.40V to 4.18V) reference.
The MAX1272/MAX1273 serial interfaces connect
directly to SPI/QSPI/MICROWIRE-compatible
devices without any external logic.
Four software-programmable power-down modes
(delayed standby, immediate standby, delayed full power-
down, and immediate full power-down) provide low-cur-
rent shutdown between conversions. In standby mode, the
internal reference buffer remains active, thus eliminating
startup delay.
The MAX1272/MAX1273 are available in 8-pin PDIP
and μMAX packages. Both devices are available in the
commercial (0°C to +70°C) or extended (-40°C to
+85°C) temperature range.
Applications
Industrial Control Systems
Data-Acquisition Systems
Robotics
Automatic Testing
Battery-Powered Instruments
Medical Instruments
Features
o
Four Software-Selectable Input Ranges
MAX1272: 0 to 10V, 0 to 5V, ±10V, ±5V
MAX1273: 0 to V
REF
, 0 to V
REF
/ 2, ±V
REF
,
±V
REF
/ 2
o
12-Bit Resolution, No Missing Codes
o
5V Single-Supply Operation
o
SPI/QSPI/MICROWIRE-Compatible 3-Wire
Interface
o
87ksps Sampling Rate
o
±12V Fault-Protected Analog Input (MAX1272)
o
Internal (4.096V) or External (2.4V to 4.18V)
Reference
o
Low Power
1.5mA at 87ksps
0.4mA at 10ksps
0.2mA at 1ksps
o
Four Power-Down Modes
o
8-Pin μMAX and PDIP Packages
M
Fault-Protected, 12-Bit ADCs
with Software-Selectable Input Range
________________________________________________________________
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
REF
AIN
GND
1
2
8
7
DOUT
CS
DIN
V
DD
SCLK
PDIP/
μ
MAX
TOP VIEW
3
4
6
5
MAX1272
MAX1273
Pin Configuration
Ordering Information
19-2921; Rev 1; 12/03
PART
TEMP
RANGE
PIN-
PACKAGE
INL
(LSB)
MAX1272
CPA
MAX1272CUA
MAX1272EPA
MAX1272EUA
MAX1273
CPA
MAX1273CUA
MAX1273EPA
MAX1273EUA
0
°
C to +70
°
C
0
°
C to +70
°
C
-40
°
C to +85
°
C
-40
°
C to +85
°
C
0
°
C to +70
°
C
0
°
C to +70
°
C
-40
°
C to +85
°
C
-40
°
C to +85
°
C
8 Plastic DIP
8 μMAX
8 Plastic DIP
8 μMAX
8 Plastic DIP
8 μMAX
8 Plastic DIP
8 μMAX
±
1
±
1
±
1
±
1
±
1
±
1
±
1
±
1
SPI and QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
Typical Application Circuit appears at end of data sheet.
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| MAX1273EUA | Fault-Protected, 12-Bit ADCs with Software-Selectable Input Range |
| MAX1272EPA | Fault-Protected, 12-Bit ADCs with Software-Selectable Input Range |
| MAX1273CPA | Fault-Protected, 12-Bit ADCs with Software-Selectable Input Range |
| MAX1273EPA | Fault-Protected, 12-Bit ADCs with Software-Selectable Input Range |
| MAX1272CUA | Fault-Protected, 12-Bit ADCs with Software-Selectable Input Range |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1272EUA+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC MAX1272EUA+ RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1272EUA+T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC FAULT-PROTECTED 12-BIT ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1272EUA-T | 制造商:Maxim Integrated Products 功能描述:- Tape and Reel |
| MAX1272EVKIT | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX1273BCPA | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
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