Philips Semiconductors TDA8752B
Triple high-speed Analog-to-Digital Converter 110 Msps
Product specification Rev. 03 — 21 July 2000 20 of 38
9397 750 07338 © Philips Electronics N.V. 2000. All rights reserved.
The bits Vco1 and Vco0 control the VCO gain.
The default programmed value is as follows:
•Internal resistance = 16 kΩ
•VCO gain = 15 MHz/V.
Table 9: VCO register bits
Z2 Z1 Z0 Resistance (kΩ)
0 0 0 high impedance
001128
01032
01116
1008
1014
1102
1111
Table 10: VCO gain control
Vco1 Vco0 VCO gain (MHz/V) Pixel clock
frequency range
(MHz)
0 0 15 10to20
0 1 20 20to40
1 0 35 40to70
115070to110