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DS1267 参数 Datasheet PDF下载

DS1267图片预览
型号: DS1267
PDF下载: 下载PDF文件 查看货源
内容描述: 双通道数字电位器芯片 [Dual Digital Potentiometer Chip]
分类和应用: 电位器
文件页数/大小: 12 页 / 314 K
品牌: DALLAS [ DALLAS SEMICONDUCTOR ]
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DS1267
Dual Digital Potentiometer Chip
www.dalsemi.com
FEATURES
§
Ultra-low power consumption, quiet,
pumpless design
§
Two digitally controlled, 256-position
potentiometers
§
Serial port provides means for setting and
reading both potentiometers
§
Resistors can be connected in series to
provide increased total resistance
§
14-pin DIP, 16-pin SOIC, 20-pin TSSOP
packages
§
Resistive elements are temperature
compensated to ±0.3 LSB relative linearity
§
Standard resistance values:
– DS1267-10 ~ 10 kΩ
– DS1267-50 ~ 50 kΩ
– DS1267-100 ~ 100 kΩ
§
Operating Temperature Range:
– Industrial: -40°C to +85°C
PIN ASSIGNMENT
VB
NC
H1
L1
W1
RST
CLK
GND
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
V
CC
NC
S
OUT
W0
H0
L0
C
OUT
DQ
16-Pin SOIC (300-mil)
See Mech. Drawings Section
VB
H1
L1
W1
1
2
3
4
5
6
7
14
13
12
11
10
9
8
V
CC
S
OUT
W0
H0
L0
C
OUT
DQ
PIN DESCRIPTIONS
L0, L1
H0, H1
W0, W1
V
B
S
OUT
RST
DQ
CLK
C
OUT
V
CC
GND
NC
-
-
-
-
-
-
-
-
-
-
-
-
Low End of Resistor
High End of Resistor
Wiper Terminal of Resistor
Substrate Bias Voltage
Stacked Configuration Output
Serial Port Reset Input
Serial Port Data Input
Serial Port Clock Input
Cascade Port Output
+5 Volt Supply
Ground
No Internal Connection
RST
CLK
GND
14-Pin DIP (300-mil)
See Mech. Drawings Section
VB
NC
H1
L1
W1
RST
CLK
NC
NC
GND
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
V
CC
NC
NC
S
OUT
W0
H0
L0
C
OUT
NC
DQ
20-Pin TSSOP (173-mil)
1 of 12
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