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參數(shù)資料
| 型號(hào)： | MAX132 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 18-Bit ADC with Serial Interface(±18-BIT，單通道，具有串行接口的ADC) |
| 中文描述： | ±18位ADC，串行接口 |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 168K |
| 代理商： | MAX132 |
_______________General Desc ription
The MAX132 is a CMOS, 18-bit plus sign, serial-output,
analog-to-digital converter (ADC). Multi-slope integra-
tion provides high-resolution conversions in less time
than standard integrating ADCs, allowing operation up
to 100 conversions per second. Low conversion noise
provides guaranteed operation with ±512mV full-scale
input range (2μV/LSB). A simple 4-wire serial interface
connects easily to all common microprocessors, and
twos-complement output coding simplifies bipolar mea-
surements. Typical supply current is only 60μA and is
reduced to 1μA in sleep mode. Four serially pro-
grammed digital outputs can be used to control an
external multiplexer or programmable-gain amplifier.
The MAX132 comes in 24-pin narrow DIP and wide SO
packages, and is available in commercial and extend-
ed temperature grades.
High resolution, compact size, and low power make this
device ideal for data loggers, weigh scales, data-acqui-
sition systems, and panel meters.
________________________Applic ations
Remote Data Acquisition
Battery-Powered Instruments
Industrial Process Control
Transducer-Signal Measurement
Pressure, Flow, Temperature, Voltage
Current, Resistance, Weight
________________Func tional Diagram
____________________________Features
o
Low Supply Current:
60μA (Normal Operation)
1μA (Sleep-Mode Operation)
o
±0.006% FSR Accuracy at 16 Conv/sec
o
Low Noise: 15μV
RMS
o
Serial I/O Interface with Programmed Output for
Mux and PGA
o
Performs up to 100 Conv/sec
o
±2pA Input Current
o
50Hz/60Hz Rejection
M
±18-Bit ADC with S erial Interfac e
________________________________________________________________ Maxim Integrated Products
Call toll free 1-800-998-8800 for free samples or literature.
1
24
23
22
21
20
19
18
17
1
2
3
4
5
6
7
8
V+
BUF OUT
INT OUT
INT IN
SCLK
DOUT
DIN
CS
TOP VIEW
CREF-
CREF+
REF+
REF-
P1
P0
OSC1
OSC2
16
15
14
13
9
10
11
12
AGND
IN LO
IN HI
V-
DGND
EOC
P3
P2
DIP/SO
MAX132
__________________Pin Configuration
MAX132
CREF-
CREF+
CS
602k
SCLK
DOUT
DIN
EOC
P0
P1
P2
P3
-5V
±512mV INPUT
BUF OUT
INT OUT
INT IN
4.7nF
REF+
REF-
AGND
IN LO
IN HI
V-
V+
DGND
OSC2
OSC1
+5V
19-0009; Rev 2; 8/95
EVALUATION KIT MANUAL
PART
MAX132CNG
MAX132CWG
MAX132C/D
MAX132ENG
MAX132EWG
MAX132MRG
0°C to +70°C
-40°C to +85°C
0°C to +70°C
0°C to +70°C
TEMP. RANGE
PIN-PACKAGE
24 Narrow Plastic DIP
24 Wide SO
Dice*
24 Narrow Plastic DIP
24 Wide SO
24 Narrow CERDIP**
FOLLOWS DATA SHEET
______________Ordering Information
* Contact factory for dice specifications.
**Contact factory for availability and processing to MIL-STD-883.
-55°C to +125°C
-40°C to +85°C
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