AD5204(2015) 查看數據表（PDF） - Analog Devices
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AD5204 Datasheet PDF : 20 Pages
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Data Sheet
AD5204/AD5206
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
NC 1
NC 2
GND 3
CS 4
PR 5
VDD 6
SHDN 7
SDI 8
CLK 9
SDO 10
VSS 11
NC 12
AD5204
TOP VIEW
(Not to Scale)
24 B4
23 W4
22 A4
21 B2
20 W2
19 A2
18 A1
17 W1
16 B1
15 A3
14 W3
13 B3
NC = NO CONNECT
Figure 6. AD5204 SOIC/TSSOP Pin Configuration
Table 3. AD5204 SOIC/TSSOP Pin Function Descriptions
Pin No. Name Description
1, 2, 12 NC
Not Connected.
3
GND Ground.
4
CS
Chip Select Input (Active Low). When CS returns high, data in the serial input register is decoded based on the address
bits, and then it is loaded into the target RDAC latch.
5
PR
Preset to Midscale (Active Low). This pin sets the RDAC registers to 0x80.
6
VDD
Positive Power Supply. This pin is specified for operation at both 3 V and 5 V. It is the sum of |VDD| + |VSS| < 5.5 V.
7
SHDN Terminal A Open-Circuit Shutdown (Active Low Input). This pin controls VR 1 through VR 4.
8
SDI Serial Data Input. Data is input MSB first.
9
CLK Serial Clock Input. This pin is positive edge triggered.
10
SDO Serial Data Output. This pin is an open-drain transistor and requires a pull-up resistor.
11
VSS
Negative Power Supply. This pin is specified for operation at both 0 V and −2.7 V. It is the sum of |VDD| + |VSS| < 5.5 V.
13
B3
Terminal B RDAC 3.
14
W3
Wiper RDAC 3. Address = 0102.
15
A3
Terminal A RDAC 3.
16
B1
Terminal B RDAC 1.
17
W1
Wiper RDAC 1. Address = 0002.
18
A1
Terminal A RDAC 1.
19
A2
Terminal A RDAC 2.
20
W2
Wiper RDAC 2. Address = 0012.
21
B2
Terminal B RDAC 2.
22
A4
Terminal A RDAC 4.
23
W4
Wiper RDAC 4. Address = 0112.
24
B4
Terminal B RDAC 4.
Rev. D | Page 7 of 20
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