参数资料
型号: X9315WMI-2.7T4
元件分类: 数字电位计
英文描述: 10K DIGITAL POTENTIOMETER, INCREMENT/DECREMENT CONTROL INTERFACE, 32 POSITIONS, PDSO8
封装: MSOP-8
文件页数: 10/13页
文件大小: 368K
代理商: X9315WMI-2.7T4
X9315
Characteristics subject to change without notice.
6 of 13
REV 1.3.2 1/14/03
www.xicor.com
A.C. OPERATING CHARACTERISTICS (Over recommended operating conditions unless otherwise specified)
POWER UP AND DOWN REQUIREMENTS
There are no restrictions on the power-up or power-down conditions of VCC and the voltages applied to the
potentiometer pins provided that VCC is always more positive than or equal to VH, VL, and VW, i.e., VCC ≥ VH, VL,
VW. The VCC ramp rate spec is always in effect.
A.C. TIMING
Notes: (6) Typical values are for TA = 25°C and nominal supply voltage.
(7) This parameter is not 100% tested.
(8) MI in the A.C. timing diagram refers to the minimum incremental change in the VW output due to a change in the wiper position.
Symbol
Parameter
Limits
Unit
Min.
Typ.(6)
Max.
tCl
CS to INC setup
100
ns
tlD
INC HIGH to U/D change
100
ns
tDI
U/D to INC setup
2.9
s
tlL
INC LOW period
1
s
tlH
INC HIGH period
1
s
tlC
INC Inactive to CS inactive
1
s
tCPH
CS Deselect time (NO STORE)
100
ns
tCPH
CS Deselect time (STORE)
10
ms
tIW
INC to Vw change
1
5
s
tCYC
INC cycle time
4
s
tR, tF(7)
INC input rise and fall time
500
s
tPU(7)
Power up to wiper stable
5
s
tR VCC(7)
VCC power-up rate
0.2
50
V/ms
tWR
Store cycle
5
10
ms
CS
INC
U/D
VW
tCI
tIL
tIH
tCYC
tID
DI
tIW
MI
(8)
tIC
tCPH
tF
tR
10%
90%
(Store)
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