參數(shù)資料
型號(hào)： TEA6425D
廠(chǎng)商： 意法半導(dǎo)體
英文描述： VIDEO CELLULAR MATRIX
中文描述： 視頻細(xì)胞外基質(zhì)
文件頁(yè)數(shù)： 3/9頁(yè)
文件大?。?/td> 152K
代理商： TEA6425D
ABSOLUTE MAXIMUMRATINGS
Symbol
V
CC
V
I
T
oper
T
stg
Parameter
Value
12
0, V
CC
0, + 70
-20, + 150
Unit
V
V
o
C
o
C
Supply Voltage
Voltage at Pin i to GND
Operating Ambient Temperature
Storage Temperature
6
THERMAL DATA
Symbol
R
th (j-a)
Parameter
Value
80
Unit
o
C/W
Junction-ambient Thermal Resistance
Min.
6
ELECTRICAL CHARACTERISTICS
(V
CC
= 8V, T
amb
= 25
o
C, V
IN
= 1V, Gain = 6.5dB,C
load
= 20pF,
R
load
= 4.7k
; Gaincondition, clamp and 3-state are controlledby I
2
C bus, unless otherwisespecified)
Symbol
SUPPLY
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
CC
I
CC
RR
Supply Voltage
Supply Current
Supply Voltage Rejection
7.2
8
45
46
8.8
60
V
mA
dB
f = 1kHz
40
VIDEO INPUTS (clamping at bottom sync level)
V
IN
Max. Signal Amplitude
V
clamp
Clamp Level
V
DC
Input DC Level
I
IN
Leakage Current
I
clamp
Clamp Current
VIDEO OUTPUTS
R
OUT
Output Resistance
Z
HI
Output ”off” Impedance
C
HI
C
OUT
in 3-state
G1
Voltage Gain
G2
Voltage Gain
V
sync
Top Level Sync (Y or CVBS)
V
bias
Output Mean Level (chroma)
Clamp Active
Clamp Active
Clamp Inactive
1 input connected to 1 output
V
clamp
- 200mV
2
V
PP
V
V
μ
A
mA
1.7
2.7
2
3
2
2.3
3.3
5
3
0.9
15
50
k
pF
dB
dB
V
V
V
dB
dB
MHz
no load
no load
f = 100kHz
f = 100kHz
G = 6.5dB, Clamp Active
G = 0.5dB, Clamp Inactive
G = 6.5dB, Clamp Inactive
f = 5MHz
f = 5MHz
C
load
= 20pF, G = 6.5dB
at
±
0.5dB
at
±
1dB
at - 3dB
50
3
0
6
1
2
3
60
50
0.5
6.5
1.25
2.4
3.4
1
7
2
3
4
Isolation ”off” State
Crosstalk Attenuation between Channels
Bandwidth
60
B
5
10
21
6
This device is controlled via the I
2
C bus. 4 ad-
dresses can be selected by a 4-level detector on
Pin 7, thus enabling parallel connection of 4 de-
vices.
Viathe I
2
C bus :
- The input signals can be clampedat their nega-
tive peak(top sync).
- The gain factor of the outputs can be selected
between 0.5 and 6.5dB.
- Each of the 6 inputs can be connected to the 8
outputs.
- Each output can individually be set in a high
impedance state.
Two internal SVHS mixerswill add the selectedY
and C inputs. Two dedicated outputswill have the
option to select thisadded signalalso.
FUNCTIONAL DESCRIPTION
TEA6425
3/9
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