ISL22323 Datasheet, PDF (9/18 Pages) Intersil Corporation – Dual Digitally Controlled Potentiometer XDCP

DCP Macro Model
ISL22323
R_TOTAL
RH
RL
C_L
C_H
C_W
10pF
10pF
25pF
RW
SDA vs SCL Timing
t_F
t_HIGH
t_LOW
SCL
t_SU:STA
SDA
(INPUT TIMING)
t_SU:DAT
t_HD:STA
t_HD:DAT
SDA
(OUTPUT TIMING)
A0, A1 and A2 Pin Timing
SCL
START
CLK 1
t_R
t_sp
t_AA t_DH
STOP
t_SU:STO
t_BUF
SDA
A0, A1, A2
t_SU:A
t_HD:A
Typical Performance Curves
80
T = +125°C
70
60
T = +25°C
50
40
30
T = -40°C
20
10
0
0
50
100
150
200
250
TAP POSITION (DECIMAL)
FIGURE 1. WIPER RESISTANCE vs TAP POSITION
[ I(RW) = V_CC/R_TOTAL ] FOR 10kΩ (W)
9
2.0
1.5
1.0
I_CC
0.5
0
-0.5
I_V-
-1.0
-1.5
-2.0
-40
0
40
80
120
TEMPERATURE (°C)
FIGURE 2. STANDBY I_CC and I_V- vs TEMPERATURE
FN6422.1
March 13, 2008