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參數(shù)資料
| 型號(hào)： | TDA8440 |
| 廠(chǎng)商： | NXP Semiconductors N.V. |
| 英文描述： | Switch for CTV receivers |
| 中文描述： | 開(kāi)關(guān)視接收機(jī) |
| 文件頁(yè)數(shù)： | 9/12頁(yè) |
| 文件大?。?/td> | 74K |
| 代理商： | TDA8440 |
November 1985
9
Philips Semiconductors
Product specification
Switch for CTV receivers
TDA8440
Notes to the characteristics
1.
Also if the supply is switched off.
2.
Caused by drive on any other input at maximum level, measured in B = 5 MHz, source impedance
for the used input 75
,
V
IN
max
3.
4.
Supply voltage ripple rejection = 20
5.
6.
Caused by drive of any other input at maximum level, measured in B = 20 kHz, source impedance
of the used input = 1 k
,
V
V
in
max
7.
8.
9.
f = 20 Hz to 20 kHz.
All outputs are short-circuit proof (static).
The inputs and output (apart from SDA, SCL and OFF) withstand tests of MIL-STD-883 C. It is advisable to
connected series resistors to these pins.
10. Timings t
S, DAT
and t
H, DAT
deviate from the I
2
C bus specification. After reset has been activated, transmission may
only be started after a 50
μ
s delay.
11. I
2
C bus load conditions are as follows:
4k
pull-up resistor to
+
5 V; 200 pF to GND.
All values are referred to V
IH
= 3 V and V
IL
= 1,5 V.
Bus free before start
(11)
Start condition set-up time
Start condition hold time
SCL, SDA LOW period
SCL, HIGH period
SCL, SDA rise time
SCL, SDA fall time
Data set-up time (write)
Data hold time (write)
Acknowledge (from TDA8440) set-up time
Acknowledge (from TDA8440) hold time
Stop condition set-up time
t
BUF
t
s(STA)
t
h(STA)
t
LOW
t
HIGH
t
r
t
f
t
s(DAT)
t
h(DAT)
t
s(CAC)
t
h(CAC)
t
s(STO)
4
4
4
4
4
1
1
0
4
1
0,3
2
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
PARAMETER
SYMBOL
MIN.
TYP.
MAX.
UNIT
crosstalk
20
V
log
=
S/N
20
V
video noi˙
O
noise rms B = 5 MHz
-V
.
log
=
V
supply
V
r
on output
-------------------------------- at f = max. 100 kHz.
log
S/N = 20
V
nomi˙˙
V
O
noise B = 20 kHz
-------------------------------------------------------
.
log
crosstalk = 20
-------------------- according to DIN 45405 (CCIR 468).
log
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