参数资料
型号: ISL22329UFU10Z
厂商: Intersil
文件页数: 12/13页
文件大小: 0K
描述: IC POT DGTL 128TP LN LP 10-MSOP
标准包装: 50
系列: XDCP™
接片: 128
电阻(欧姆): 50k
电路数: 2
温度系数: 标准值 ±80 ppm/°C
存储器类型: 非易失
接口: I²C(设备位址)
电源电压: 2.7 V ~ 5.5 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)
供应商设备封装: 10-MSOP
包装: 管件
8
FN6330.2
September 4, 2009
Pin Descriptions
Potentiometers Pins
RWI (I = 0,1)
RWi is the wiper terminal and is equivalent to the movable
terminal of a mechanical potentiometer. The position of the
wiper within the array is determined by the WRi register.
SHDN
The SHDN pin forces the resistors to end-to-end open circuit
condition and shorts all RWs to GND. When SHDN is
returned to logic high, the previous latch settings put RWi at
the same resistance setting prior to shutdown. This pin is
logically ANDed with SHDN bit in ACR register. I2C interface
is still available in shutdown mode and all registers are
accessible. This pin must remain HIGH for normal operation.
FIGURE 7. END-TO-END RTOTAL % CHANGE vs
TEMPERATURE
FIGURE 8. TC FOR VOLTAGE DIVIDER MODE IN ppm
FIGURE 9. MIDSCALE GLITCH, CODE 3Fh TO 40h
FIGURE 10. LARGE SIGNAL SETTLING TIME
Typical Performance Curves (Continued)
-1.0
-0.5
0.0
0.5
1.0
-40
-20
0
20
40
60
80
100
120
TEMPERATURE (°C)
END-T
O
-END
R
TO
T
A
L
CHANGE
(
%
)
VCC = 2.7V
50k
10k
VCC = 5.5V
0
15
30
45
60
75
90
105
16
36
56
76
96
TAP POSITION (DECIMAL)
TCv
(pp
m
C)
10
50
SIGNAL AT WIPER
(WIPER UNLOADED)
SIGNAL AT WIPER
(WIPER UNLOADED) MOVEMENT
FROM 7Fh TO 00h
SCL
FIGURE 11. DCP CONNECTION IN SHUTDOWN MODE
RW
ISL22329
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