MAX174ACWI 查看數據表（PDF） - Maxim Integrated
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MAX174ACWI Datasheet PDF : 18 Pages
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MAX174/MX574A/MX674A
Industry-Standard, Complete 12-Bit ADCs
DN
DN
3kI
100pF
+5V
3kI
100pF
DN
DN
3kI
100pF
+5V
3kI
100pF
HIGH-Z TO LOGIC 1
HIGH-Z TO LOGIC 1
Figure 1. Load Circuit for Access Time Test
LOGIC 1 TO HIGH - Z
LOGIC 0 TO HIGH - Z
Figure 2. Load Circuit for Output Float Delay Test
Pin Configurations
TOP VIEW
+
VL 1
12/8 2
CS 3
A0 4
R/C 5
CE 6
VCC 7
REFOUT 8
MAX174
MX574A
MX674A
AGND 9
REFIN 10
VEE 11
BIPOFF 12
10VIN 13
20VIN 14
28 STS
27 D11
26 D10
25 D9
24 D8
23 D7
22 D6
21 D5
20 D4
19 D3
18 D2
17 D1
16 D0
15 DGND
DIP/SO
TOP VIEW
4 3 2 1 28 27 26
R/C 5
CE 6
VCC 7
REFOUT 8
AGND 9
REFIN 10
VEE 11
MAX174
MX574A
MX674A
25 D9
24 D8
23 D7
22 D6
21 D5
20 D4
19 D3
12 13 14 15 16 17 18
PLCC
Pin Description
PIN
NAME
FUNCTION
1
VL
Logic Supply, +5V
2
12/8
Data Mode Select Input
3
CS
Chip-Select Input. Must be low to select device.
4
A0
Byte Address/Short-Cycle Input. When starting a conversion, controls number of bits converted (low = 12
bits, high = 8 bits). When reading data, if 12/8 = low, enables low byte (A0 = high) or high byte (A0 = low).
5
R/C
Read/Convert Input. When high, the device will be in the data-read mode. When low, the device will
be in the conversion start mode.
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