adv7390 Analog Devices, Inc., adv7390 Datasheet - Page 65

• Manufacturer Part Number: adv7390
• Description: Low Power, Chip Scale 10-bit Sd/hd Video Encoder
• Manufacturer: Analog Devices, Inc.

TYPICAL APPLICATION CIRCUIT
LOOP FILTER COMPONENTS
SHOULD BE LOCATED
CLOSE TO THE EXT_LF
PIN AND ON THE
SAME SIDE OF THE PCB
AS THE ADV739x.
EXTERNAL LOOP FILTER
PV
PIXEL PORT INPUTS
V
INPUTS/OUTPUTS
INPUTS/OUTPUTS
DD
DD_IO
PV
V
V
150nF
DD
AA
DD
CLOCK INPUT
12nF
MPU PORT
CONTROL
170Ω
33µF
33µF
33µF
33µF
DGND
GND_IO
PGND
AGND
FERRITE BEAD
FERRITE BEAD
FERRITE BEAD
FERRITE BEAD
AGND
AGND
P0
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P13
P14
P15
HSYNC
VSYNC
CLKIN
SDA/SCLK
SCL/MOSI
SFL/MISO
ALSB/SPI_SS
RESET
EXT_LF
10µF
10µF
10µF
10µF
DGND
PGND
AGND
GND_IO
ADV7392/
ADV7393
ONLY
PGND
PGND
ADV739x
DGND
DGND
DGND
DGND
0.1µF
0.1µF
0.1µF
0.1µF
GND_IO
AGND
DGND
PGND
GND_IO
GND_IO
COMP
DAC 3
DAC 1
DAC 2
R
SET
Figure 92. ADV739x Typical Application Circuit
0.01µF
0.01µF
0.01µF
0.01µF
AGND
GND_IO
PGND
DGND
DACs 1 TO 3 FULL DRIVE OPTION
V
75Ω
AGND
AA
V
DECOUPLING FOR
EACH POWER PIN
510Ω
1µF
Rev. 0 | Page 65 of 96
2.2nF
AGND
AGND
DD
(RECOMMENDED)
OPTIONAL LPF
POWER SUPPLY
75Ω
AGND
V
SUPPLY
DECOUPLING
PV
SUPPLY
DECOUPLING
V
SUPPLY
DECOUPLING
DD_IO
AA
DD
OPTIONAL LPF
POWER
POWER
POWER
75Ω
AGND
OPTIONAL LPF
ADV7390/ADV7391/ADV7392/ADV7393
NOTES
1. FOR OPTIMUM PERFORMANCE, EXTERNAL COMPONENTS CONNECTED
2. WHEN OPERATING IN I2C MODE, THE I2C DEVICE ADDRESS IS
3. THE RESISTOR CONNECTED TO THE R
4. THE RECOMMENDED MODE OF OPERATION FOR THE DACs IS FULL-
TO THE COMP, R
CLOSE TO, AND ON THE SAME SIDE OF THE PCB AS THE ADV739x.
CONFIGURABLE USING THE ALSB/SPI_SS PIN:
TOLERANCE.
DRIVE (R
ALSB/SPI_SS = 0, I
ALSB/SPI_SS = 1, I
DAC 1
DAC 2
DAC 3
SET
DAC 2
DAC 3
DAC 1
= 510Ω, R
R
SET
SET
2
2
C DEVICE ADDRESS = 0xD4 OR 0x54
C DEVICE ADDRESS = 0xD6 OR 0x56
AND DAC OUTPUT PINS SHOULD BE LOCATED
DACs 1 TO 3 LOW DRIVE OPTION
L
4.12kΩ
AGND
= 37.5Ω).
300Ω
AGND
300Ω
300Ω
AGND
AGND
LPF
LPF
LPF
ADA4411-3
ADA4411-3
ADA4411-3
SET
PIN SHOULD HAVE A 1%
75Ω
75Ω
75Ω
DAC 1
DAC 2
DAC 3