MAX1474 Datasheet, PDF (7/8 Pages) Maxim Integrated Products – Miniature Electronically Trimmable Capacitor

Miniature Electronically Trimmable Capacitor
CAPACITANCE METER
Test Circuits/Timing Diagrams (continued)
0.01µF
2MΩ
CP
CM
V_GEN1
V_GEN1 + V_GEN2 = V_DD
V_DD MAX1474 V_SS
EN
DAT
0.01µF
V_GEN1
C_FIXED
MAX1474
MAX1474
Figure 5b. Increasing Capacitance Range and Resolution
Figure 3b. Capacitance vs. Voltage (Differential)
CR
Chip Information
TRANSISTOR COUNT: 634
CM
CS
MAX1474
Figure 4. Electronic Offset Trimming
CP
CM
V_DD
V_SS
MAX1474
EN
DAT
CP
CM
V_DD
V_SS
MAX1474
EN
DAT
Figure 5a. Increasing Capacitance Range
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