参数资料
型号: ISL22319
厂商: Intersil Corporation
英文描述: Low Noise, Low Power, I2C Bus, 128 Taps, Wiper Only(低噪声,低功率,I2C总线, 128抽头电位器)
中文描述: 低噪声,低功耗,I2C总线,128抽头,雨刷,只有(低噪声,低功率和I2C总线,128抽头电位器)
文件页数: 8/13页
文件大小: 384K
代理商: ISL22319
8
FN6310.0
July 3, 2006
Pin Description
Potentiometers Pins
RW
RW 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 WR register.
SHDN
The active low SHDN pin forces the resistor to end-to-end
open circuit condition and shorts RWi to GND. When SHDN
is returned to logic high, the previous latch settings put RW
at the same resistance setting prior to shutdown. This pin is
logically OR’d with SHDN bit in ACR register. I
2
C interface is
still available in shutdown mode and all registers are
accessible. This pin must remain HIGH for normal operation.
Bus Interface Pins
Serial Data Input/Output (SDA)
The SDA is a bidirectional serial data input/output pin for I
2
C
interface. It receives device address, operation code, wiper
address and data from an I
2
C external master device at the
FIGURE 7. END TO END R
TOTAL
% 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)
-1.00
-0.50
0.00
0.50
1.00
-40
-20
0
20
40
60
80
100
120
TEMPERATURE (oC)
10k
50k
Vcc = 5.5V
Vcc = 2.7V
E
T
0
15
30
45
60
75
90
105
16
36
56
76
96
TAP POSITION (DECIMAL)
10k
50k
T
RW
FIGURE 11. DCP CONNECTION IN SHUTDOWN MODE
ISL22319
相关PDF资料
PDF描述
ISL22326 Low Noise, Low Power, I2C Bus, 128 Taps(低噪声,低功率,I2C总线, 128抽头电位器)
ISL22329 Low Noise, Low Power, I2C Bus, 128 Taps, Wiper Only(低噪声,低功率,I2C总线, 128抽头电位器)
ISL22346 Low Noise, Low Power I2C Bus, 128 Taps(低噪声,低功率,I2C总线, 128抽头电位器)
ISL22349 Low Noise, Low Power, I2C Bus, 128 Taps, Wiper Only(低噪声,低功率,I2C总线, 128抽头电位器)
ISL23710UIU10Z Terminal Voltage +-3V or +-5V, 128 Taps Up/Down Interface
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