MAX1474 Datasheet, PDF (6/8 Pages) Maxim Integrated Products – Miniature Electronically Trimmable Capacitor

Miniature Electronically Trimmable Capacitor
Test Circuits/Timing Diagrams
EN
DAT
t_RESET
t_SETUP
Figure 1. Digital Timing Diagram
COUNT
t_{DAT_HIGH}
t_SETUP
t_LOAD
C_IN: 9.3 TO
9.6pF
35pF
12pF
C: 6.41 TO
13.33pF
0.01µF
2MΩ
V_GEN
CAPACITANCE METER
f = 1MHz
CP
CM
MAX1474
V_DD
V_SS
Figure 2. Q Enhancement Circuit
EN
DAT
Figure 3a. Capacitance vs. Voltage (Single Ended)
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