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参数资料
| 型号： | TB1308FG |
| 元件分类： | 信号分离 |
| 英文描述： | SYNC SEPARATOR IC, PQFP48 |
| 封装： | 10 X 14 MM, 0.80 MM PITCH, PLASTIC, QFP-48 |
| 文件页数： | 23/33页 |
| 文件大小： | 659K |
| 代理商： | TB1308FG |
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TB1305FG, TB1308FG
2006-07-03
3
Pin Functions
The equivalent circuit diagrams may be simplified or some parts of them may be omitted for explanatory purposes.
Pin
No.
Pin Name
Function
Interface Circuit
Input Signal/Output Signal
22
DIG VCC
VCC pin for the logical circuits.
Supply power through a resistor from pin 31
like the Application Circuit. This pin voltage
is clipped to 3.3 V (typ.) by the internal
regulator.
22
31
33
500Ω
50
Ω
50
Ω
3.3V
3.3 V (typ.)
20
DIG GND
GND pin for the logical circuits.
31
H VCC
VCC pin for the sync circuits.
Connect 5.0 V (typ.)
5.0 V (typ.)
33
H GND
GND pin for the sync circuits.
46
C VCC
VCC pin for the video circuits.
Connect 5.0 V (typ.)
5.0 V (typ.)
44
C GND
GND pin for the video circuits.
5
14
39
Y1/G1-IN
Y2/G2-IN
Y3/G3-IN
Y or G input pin.
Input the signal via a clamp capacitor.
The clamp system is selectable by CLAMP
register.
NOTE: Pin 39 is not available for the
TB1305FG. It is an NC pin.
Sync tip level: 2.1 V (typ.)
Bias level: 2.7 V (typ.)
RGB/YCbCr/YPbPr signal
amplitude:
0.7 Vp-p (without sync)
47
Y-IN
Y or CVBS input pin.
Input the Y or CVBS signal in NTSC, PAL or
SECAM from an AV-SW via a clamp
capacitor.
The clamp system is selectable by CLAMP
register.
46
44
5
14
(39)
47
2.
9V
/1.
5V
20
0Ω
20
0Ω
12k
Ω
200Ω
100kΩ
2.
8V
Sync tip level: 2.1 V (typ.)
Bias level: 2.7 V (typ.)
Y/CVBS signal’s amplitude:
1.0 Vp-p (with sync)
1
3
10
12
43
41
Cr1/R1-IN
Cb1/B1-IN
Cr2/R2-IN
Cb2/B2-IN
Cr3/R3-IN
Cb3/B3-IN
Cb/Cr, Pb/Pr or B/R input pin.
Input the signal via a capacitor.
NOTE: Pins 41 and 43 are not available for
the TB1305FG. They are NC pins.
2
00Ω
46
44
12
kΩ
200Ω
100kΩ
1
3
10
12
(43)
(41)
2.
8
V
2.7 V bias (typ.)
RGB/YCbCr/YPbPr signal
amplitude:
0.7 Vp-p (without sync)
45
C-IN
Chroma signal input pin.
Input C signal from AV-SW via a capacitor.
When this pin’s voltage is High, TEST mode
for shipping is active. The pin voltage must
be less than 3.6 V during operating.
45
46
44
200Ω
1.
5V
30
.2
k
Ω
TEST
C
1.7 V bias (typ.)
Prohibited
3.6V
0V
5V
1.7V (typ)
8
16
38
SYNC1-IN
SYNC2-IN
SYNC3-IN
Composite SYNC input pin to separate into
H- and V-SYNC.
Input the signal via a resister and a clamp
capacitor.
NOTE: Pin 38 is not available for the
TB1305FG. It is an NC pin.
31
33
8
16
(38)
10k
Ω
Sync tip level: 1.75 V (typ.)
1Vp-p
or
1Vp-p
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