CAT5133 Datasheet, PDF (7/9 Pages) Catalyst Semiconductor – 16 Volt Digitally Programmable Potentiometer (DPP TM) with 128 Taps and an Increment Decrement Interface

CAT5133
TYPICAL PERFORMANCE CHARACTERISTICS
12
V_CC = 2.7 V; V+ = 8 V
10
V_CC = 5.5 V; V+ = 16 V
8
6
4
2
0
0 16 32 48 64 80 96 112 128
TAP POSITION
Figure 4. Resistance between R_W and R_L
400
V_CC = 5.5 V
350
300
250
V_CC = 2.7 V
200
150
100
50
0
−50 −30 −10
10 30 50 70
TEMPERATURE (C)
90 110 130
Figure 5. I_CC2 (NV Write) vs. Temperature
1.0
0.8
T_AMB = 25C
0.6
R_total = 10 K
0.4
0.2
0
−0.2
−0.4
−0.6
−0.8
V_CC = 2.7 V; V+ = 8 V
V_CC = 5.5 V; V+ = 16 V
−1.0
0 16 32 48 64 80 96 112 128
TAP POSITION
Figure 6. Absolute Linearity Error per Tap
Position
0.5
0.4
0.3
0.2
0.1
0
−0.1
−0.2
−0.3
−0.4
−0.5
0
T_AMB = 25C
R_total = 10 K
V_CC = 2.7 V; V+ = 8 V
V_CC = 5.5 V; V+ = 16 V
16 32 48 64 80 96 112 128
TAP POSITION
Figure 7. Relative Linearity Error
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