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參數(shù)資料
| 型號： | 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)： | 4/16頁 |
| 文件大?。?/td> | 168K |
| 代理商： | MAX132 |
M
±18-Bit ADC with S erial Interfac e
4
_______________________________________________________________________________________
__________________________________________Typic al Operating Charac teristic s
-0.30
-0.25
-0.20
-0.15
-0.10
-0.05
0.05
0
ERROR vs. COMMON-MODE
INPUT VOLTAGE (V
IN
LO–AGND)
M
COMMON-MODE VOLTAGE (V)
-3
-2
-1
0
1
2
3
4
-4
E
IN HI = IN LO
0
0
0.5
1.5
50Hz/60Hz READ-ZEROOFFSET
vs. VREF
1.5
3.5
M
VREF (V)
R
1.0
2.0
2.5
4.0
1.0
0.5
3.0
2.0
4.5
60Hz MODE
50Hz MODE
0
-40
-20
20
50Hz/60Hz READ-ZEROOFFSET
vs. TEMPERATURE
0.6
1.4
M
TEMPERATURE (°C)
0
40
60
80
100
1.0
1.6
0.4
0.2
1.2
0.8
R
60Hz MODE, VREF = 545mV
50Hz MODE, VREF = 655mV
-40
0
50
150
SUPPLY CURRENT
vs. CRYSTAL FREQUENCY
20
100
M
CRYSTAL FREQUENCY (kHz)
S
μ
A
100
200
250
300
350
60
120
0
-20
80
40
140
V-
V+
0.10
0.08
0.06
0.04
0.02
0
FULL-SCALE ROLLOVER ERROR
vs. VREF
M
VREF (V)
0
0.5
1.0
1.5
2.5
2.0
R
0
5
10
15
20
NOISE vs. NUMBER
OF SAMPLES AVERAGED
M
NUMBER OF SAMPLES AVERAGED
0
10
20
30
50
40
N
μ
V
R
)
______________________________________________________________Pin Desc ription
Oscillator Output 2 is normally connected to a 32,768Hz crystal. Do not connect with external clock source.
Oscillator Input 1 is normally connected to a 32,768Hz crystal, or may be connected to an external clock.
OSC2
OSC1
5
6
Serial Clock Input. On SCLK’s rising edge, data is shifted into the internal shift register through DIN. On
SCLK’s falling edge, data is clocked out of DOUT.
SCLK
4
Serial Data Out, D7 first bit out. Data is clocked out at the falling edge of SCLK. High impedance when CSis high.
DOUT
3
User-programmable output bit 1—programmed through the serial port.
P1
8
User-programmable output bit 0—programmed through the serial port.
P0
7
Serial Data In, D7 first bit in. Data is clocked into the register on the rising edge of SCLK.
DIN
2
PIN
CHIP SELECT Input has 3 functions: 1) When low, selects IC for communication; 2) on rising edge, loads
input shift register data into one of the command registers; 3) on falling edge, loads data from one of the
output registers into the output shift register. When CS is high, DOUT is high impedance.
CS
1
FUNCTION
NAME
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