Chrontel CH7511B - Power Supply Pins and Decoupling

CHRONTEL AN-B014
2 206-1000-014 Rev. 1.7 2020-07-14
2.1.2 Power Supply Pins
There are eleven power supply pins: AVDD, DVDD, LVDD, and VDDGPO. Refer to Table 1 for the Power supply
pin assignments. Refer to Figure 1 for Power Supply Decoupling.
Table 1: Power Supply Pin Assignments for the CH7511B/7512B (68QFN)
Pin
# of Pins
Type
Symbol
Description
7,42
2
Power
DVDD
Digital supply voltage (1.8V)
3,4,60,66,67
5
Power
AVDD
Analog supply voltage (1.8V)
18,32,52
3
Power
LVDD
LVDS driver supply voltage and GPIO
supply voltage (3.3V)
8,21,35,40,45,63,
Thermal pad
6
Ground
GND
Power ground
L1
47R 100MHz
1 2
C6
10uF
C1
0.1uF
C2
0.1uF
C3
0.1uF
C4
0.1uF
C5
0.1uF
C7
0.1uF
C8
0.1uF
C9
10uF
C12
0.1uF
L2
47R 100MHz
1 2
VC C3_3
VC C1_8
C11
0.1uF
C10
0.1uF
L3
47R 100MHz
1 2
C13
10uF
QFN
U1
CH 7511B
DVDD
7,42
LVD D
18,32,52
AVD D
3,4,60,66,67
Thermal Pad
GND
8,21,35,40,45,63
RESETB
VCC18
VCC33
T1
Figure 1: Power Supply Decoupling and Distribution