ucb1200 NXP Semiconductors, ucb1200 Datasheet - Page 33

• Manufacturer Part Number: ucb1200
• Description: Advanced Modem/audio Analog Front-end
• Manufacturer: NXP Semiconductors

Philips Semiconductors
The V
and the V
PCB to get optimal separation. Fig.28 shows the recommended PCB power supply strategy if only one single supply is
used, while Fig.29 shows the recommended power supply connection for a dual power supply system, with separate
analog and digital supplies.
1998 Jul 22
Advanced modem/audio analog front-end
3.3V
digital
supply
SSD
SSA1
pins and the V
directly to a ground plane on the PCB. The split in power supply connections should be maintained on the
Fig.29 Recommended power supply connection strategy, dual power supply systems.
SSA1
vddd
pin are connected within the UCB1200 circuit. It is recommended to connect the V
vssd
37
32
UCB1200
vssd
5
48
vssa1
vddd
18
33
vdda2
vdda1
vssa2
vssa3
17
10
26
7
Product specification
UCB1200
3.3V
analog
supply
SSD
pins