CSP1027 Datasheet, PDF (40/64 Pages) Agere Systems – CSP1027 Voice Band Codec for Cellular Handset and Modem Applications

CSP1027 Voice Band Codec for
Cellular Handset and Modem Applications
Data Sheet
December 1999
7 Application Information (continued)
7.0
6.5
6.0
5.5
5.0
C1 = C2 = 10 pF
4.5
4.0
C1 = C2 = 50 pF
3.5
3.0
2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40
FREQUENCY (MHz)
Figure 33. Typical Supply Current of Crystal Oscillator Circuit, VDD = 5.0 V, 25 °C
5-7612 (F)
2.0
1.5
1.0
C1 = C2 = 10 pF
0.5
C1 = C2 = 50 pF
0.0
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30
FREQUENCY (MHz)
Figure 34. Typical Supply Current of Crystal Oscillator Circuit, VDD = 3.3 V, 25 °C
5-7613 (F)
40
Lucent Technologies Inc.