BH7240 Rohm, BH7240 Datasheet
BH7240
Manufacturer Part Number
BH7240
Description
Color TV signal encoder
Manufacturer
Rohm
Datasheet
1.BH7240.pdf
(9 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
BH7240AKV
Manufacturer:
ROHM
Quantity:
769
Company:
Part Number:
BH7240AKV-E2
Manufacturer:
Rohm Semiconductor
Quantity:
10 000
Part Number:
BH7240AKV-E2
Manufacturer:
ROHM/罗姆
Quantity:
20 000
The BH7240AKV is an IC that converts digital RGB signals (8-bit) to NTSC and PAL color TV signals. In addition to
composite output, luminance output, chrominance output, and analog RGB output are available. Each type of output
is equipped with an internal 75 driver.
•
TV peripheral devices
•
1) Supports both NTSC and PAL.
2) Internal RGB3-channel DAC (internal regulator).
3) Internal burst timing generator circuit.
•
Applications
Features
Block diagram
Color TV signal encoder
BH7240AKV
Multimedia ICs
VREFOUT
GCLAMP
RCLAMP
BDATA3
BDATA2
BDATA1
BDATA0
AGND1
DGND
VCLK
V
N.C.
CC1
37
38
39
40
41
42
43
44
45
46
47
48
CLK
GND
GND
V
CC
36
1
VREF
GND
35
2
CLK
R
34
6dB
3
8
75
DECODER
MATRIX
CLAMP
LATCH
CELL
G
33
6dB
4
75
B
32
6dB
75
CLK
5
SYNC
6dB
31
DECODER
75
6
MATRIX
MATRIX
8
LATCH
CLAMP
CELL
Y
SYNC
ADD.
R-Y
30
75
7
CHROMA
4) Y / C separation output pin.
5) Analog RGB signal output pin.
3) Internal 75 driver.
CLK
GEN.
BPF
29
B-Y
75
8
LPF
DECODER
MATRIX
CLAMP
LATCH
CELL
V
28
9
CC
YTRAP
Burst
GEN.
Y / C
Flag
MIX
27
10
8
26
11
SYNC
V
CC
SYNC
25
12
24
23
22
21
20
19
18
17
16
15
14
13
RDATA0
RDATA1
RDATA2
RDATA3
DV
RDATA4
RDATA5
RDATA6
RDATA7
SCIN
SYNCIN
NT / PAL
DD
1
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