參數(shù)資料
型號: AD5228BUJZ50-RL7
廠商: ANALOG DEVICES INC
元件分類: 數(shù)字電位計
英文描述: 32-Position Manual Up/Down Control Potentiometer
中文描述: 50K DIGITAL POTENTIOMETER, PUSH-BUTTON CONTROL INTERFACE, 32 POSITIONS, PDSO8
封裝: 2.90 X 3 MM, ROHS COMPLIANT, MO-193BA,TSOT-23, 8 PIN
文件頁數(shù): 6/20頁
文件大小: 341K
代理商: AD5228BUJZ50-RL7
AD5228
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
Rev. 0 | Page 6 of 20
0
AD5228
PU
1
PD
2
A
3
GND
4
V
DD
PRE
B
W
8
7
6
5
Figure 6. SOT-23-8 Pin Configuration
Table 4. Pin Function Descriptions
Pin No.
Mnemonic
1
PU
Description
Push-Up Pin.
Connect to the external pushbutton. Active low. A 100 k pull-up resistor is connected to V
DD
.
Push-Down Pin.
Connect to the external pushbutton. Active low. A 100 k pull-up resistor is connected to V
DD
.
Resistor Terminal A. GND ≤V
A
≤ V
DD
.
Common Ground.
Wiper Terminal W. GND ≤ V
W
≤ V
DD
.
Resistor Terminal B. GND ≤ V
B
≤ V
DD
.
Power-On Preset. Output = midscale if PRE = GND; output = zero scale if PRE = V
DD
. Do not let the PRE pin float.
No pull-up resistor is needed.
Positive Power Supply, 2.7 V to 5.5 V.
2
PD
3
4
5
6
7
A
GND
W
B
PRE
8
V
DD
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