參數(shù)資料
型號： MAX110
廠商： Maxim Integrated Products, Inc.
英文描述： Low-Cost, 2-Channel, 4-Bit Serial ADCs(±5V，2通道，±14位串行模數(shù)轉(zhuǎn)換器)
中文描述： 低成本、2通道、±14位串行ADC
文件頁數(shù)： 1/24頁
文件大?。?/td> 286K
代理商： MAX110
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800
M
Low-Cost, 2-Channel, ±14-Bit S erial ADCs
________________________________________________________________ Maxim Integrated Products
1
_______________General Desc ription
The MAX110/MAX111 analog-to-digital converters
(ADCs) use an internal auto-calibration technique to
achieve 14-bit resolution plus overrange, with no exter-
nal components. Operating supply current is only
550μA (MAX110) and reduces to 4μA in power-down
mode, making these ADCs ideal for high-resolution bat-
tery-powered or remote-sensing applications. A fast
serial interface simplifies signal routing and opto-isola-
tion, saves microcontroller pins, and offers compatibility
with SPI , QSPI , and Microwire . The MAX110
operates with ±5V supplies, and converts differential
analog signals in the -3V to +3V range. The MAX111
operates with a single +5V supply and converts differ-
ential analog signals in the ±1.5V range, or single-
ended signals in the 0V to +1.5V range.
Internal calibration allows for both offset and gain-error
correction under microprocessor (μP) control. Both
devices are available in space-saving 16-pin DIP and
SO packages, as well as an even smaller 20-pin SSOP
package.
________________________Applic ations
Process Control
Weigh Scales
Panel Meters
Data-Acquisition Systems
Temperature Measurement
__________Typic al Operating Circ uit
____________________________Features
o
Single +5V Supply (MAX111)
o
Two Differential Input Channels
o
14-Bit Resolution Plus Sign and Overrange
o
0.03% Linearity (MAX110)
0.05% Linearity (MAX111)
o
Low Power Consumption:
550μA (MAX110)
640μA (MAX111)
4μA Shutdown Current
o
Up to 50 Conversions/sec
o
50Hz/60Hz Rejection
o
Auto-Calibration Mode
o
No External Components Required
o
16-Pin DIP/SO, 20-Pin SSOP
______________Ordering Information
19-0283; Rev 3; 3/96
_________________Pin Configurations
IN1+
IN1-
REF+
REF-
CS
RCSEL
SCLK
DIN
DOUT
IN2+
IN2-
V
DD
+5V
-5V (0V)
FROM
μ
C
MAX110
MAX111
( ) ARE FOR MAX111
V
SS
(AGND)
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
IN1+
REF-
REF+
V
DD
RCSEL
XCLK
SCLK
BUSY
IN1-
IN2+
IN2-
V
SS
(AGND)
GND
DIN
DOUT
CS
TOP VIEW
MAX110
MAX111
DIP/SO
( ) ARE FOR MAX111
PART
MAX110
ACPE
MAX110BCPE
MAX110ACWE
MAX110BCWE
MAX110ACAP
MAX110BCAP
MAX110BC/D
Ordering Information continued at end of data sheet.
*Contact factory for dice specifications.
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
TEMP. RANGE
PIN-PACKAGE
16 Plastic DIP
16 Plastic DIP
16 Wide SO
16 Wide SO
20 SSOP
20 SSOP
Dice*
EVALUATION KIT
AVAILABLE
SPI and QSPI are trademarks of Motorola, Inc. Microwire is a trademark of National Semiconductor Corp.
Pin Configurations continued at end of data sheet.
INL(%)
±0.03
±0.05
±0.03
±0.05
±0.03
±0.05
±0.05
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