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參數(shù)資料
| 型號： | TDA8440 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Switch for CTV receivers |
| 中文描述： | 開關(guān)視接收機(jī) |
| 文件頁數(shù)： | 6/12頁 |
| 文件大?。?/td> | 74K |
| 代理商： | TDA8440 |
November 1985
6
Philips Semiconductors
Product specification
Switch for CTV receivers
TDA8440
D
0
/OFF gating
Power-on reset
The circuit is provided with a power-on reset function.
When the power supply is switched on an internal pulse will be generated that will reset the internal memory S
0
, in the
initial state all the switches will be in the off position and the OFF input is active (D
7
- D
0
= 0) (I
2
C mode), position defined
via SDA and SCL inputs (non-I
2
C mode).
When the power supply decreases below 5 V a pulse will be generated and the internal memory will be reset. The
behaviour of the switches will be the same as described above.
RATINGS
Limiting values in accordance with the Absolute Maximum System (IEC 134)
THERMAL RESISTANCE
D
0
OFF INPUT
OUTPUTS
0 (off input active)
0
H
L
OFF
in accordance with last defined
D
7
- D
1
(may be entered while OFF = HIGH)
in accordance with D
7
- D
1
in accordance with D
7
- D
1
1 (off input inactive)
1
H
L
MIN. TYP.
0,3
0,3
0,3
0,3
0,3
0,3
0
MAX.
UNIT
Supply voltage
Input voltage range
pin 15
pin 17
pin 18
pin 2
pin 11
pin 13
pin 6
pin 16
T
stg
T
amb
T
j
V
P
V
SDA
V
SCL
V
OFF
V
S0
V
S1
V
S2
I
16
14
V
P
+
0,3 V
V
P
+
0,3 V
V
P
+
0,3 V
V
P
+
0,3 V
V
P
+
0,3 V
V
P
+
0,3 V
50
+
125
+
70
+
150
V
Video output current
Storage temperature range
Operating ambient temperature range
Junction temperature
mA
°
C
°
C
°
C
PARAMETER
SYMBOL
VALUE
UNIT
From junction to ambient in free air
R
th j
a
50
K/W
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