BA7357 View Datasheet(PDF) - ROHM Semiconductor
Part Name
Description
Manufacturer
BA7357 Datasheet PDF : 15 Pages
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Video ICs
BA7357S
•Electrical characteristics (unless otherwise noted, Ta = 25°C, VCC = 9V, and P = 38.9MHz)
Parameter
Symbol Min. Typ. Max. Unit
Conditions
〈Vreg〉
Supply current
ICC
—
96
110
mA
Regulated voltage
Vreg
6.2
6.6
7.0
V
〈VIF〉
Input sensitivity
VVMin.
34
40
46
dBµ VVO = – 3dB point
Maximum allowable input level
VVMax.
100
110
—
dBµ VVO = + 1dB point
AGC range
GR
62
70
—
dB VVO = ± 3dB range
Quiescent video output voltage
VP21
3.9
4.3
4.7
V
No signal, VP4 = Vreg
Video detector output level
Synchronous signal tip voltage
VVO
1.7
2.0
2.4
VP-P Vi = 80dBµ, AM87.5%MOD
VP21SY
1.7
2.0
2.3
V 100% white video signal
Video output DG
Video output DP
DG
—
2
8
%
Vi = 80dBµ, AM87.5%MOD
DP
—
3
8
deg 3STEP video signal
Sound trap attenuation M, B / G
GVOS
33
45
—
dB
∗ 20 LOG (VOS / VO0.2M)
D / K, I
28
45
—
CS beat level
I920
37
50
—
dB P = 0, P / C = 4, P / S = 14dB
Video output S / N
S / NV
47
53
—
dB Vi = 90dBµ, 100% white
White noise threshold voltage
White noise clamping voltage
Black noise threshold voltage
VWTH
VWCL
VBTH
4.7
5.0
5.3
2.9
3.0
3.5
1.1
1.4
1.7
V
V
CW = 70dBµ
frequency variation and pin
V 21 voltage variation
Black noise clamping voltage
VBCL
2.6
2.9
3.2
V
RFAGC maximum sink current
IP2SI
0.7
1.2
—
mA CW = 100dBµ, AGCADJ = 100KΩ
〈AFT〉
Maximum AFT voltage
VPIMax.
6.0
6.4
—
V CW = 38.4MHz
Minimum AFT voltage
VPIMin.
—
0.3
0.8
V
CW = 39.4MHz
AFT detection sensitivity
Sf
35
65
— mV / kHz CW frequency variation
AFT defeat starting voltage
VAFTDET
—
—
1.2
V CW = 38.4MHz
AFT defeat voltage
VIDEF
2.9
3.3
3.6
V CW = 38.4MHz
〈PLL〉
PLL capture range 1
fCU
0.5 + 0.9
—
MHz
PLL capture range 2
fCL
— – 0.9 – 0.5
MHz
PLL lock range 1
PLL lock range 2
fLU
0.6 + 2.0
—
MHz CW = 80dBµ
fLL
— – 2.0 – 0.6
MHz frequency variation
VCO control sensitivity
β
0.5
1.3
— kHz / mV
9
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