TEA2128 データシートの表示（PDF） - STMicroelectronics
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TEA2128 Datasheet PDF : 8 Pages
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TEA2128
ABSOLUTE MAXIMUM RATINGS
Symbol
VCC
I11
I20
I22
TAMB
Parameter
Supply Voltage
Output Current
Input Current
Input Current
Operating Ambient Temperature
Value
Unit
13.5
V
80
mA
40
mA
±5
mA
0 , 70
oC
THERMAL DATA
Symbol
Parameter
Rth(j-a) Junction-ambient Thermal Resistance
Value
60
Unit
oC/W
ELECTRICAL CHARACTERISTICS (TAMB = 25oC; VCC = 12V; Pulse duration 50% of the amplitude)
Symbol
Parameter
Supply Voltage
Supply Current
Pins
Test conditions
13
13 Without load in Pins 11, 16, 21, 24
Min.
Typ.
12
30
Max.
Unit
V
mA
VIDEO INPUT
Video Signal Amplitude
Push out Current
Pull in Current
4 Z source < 200Ω
4 During the synch. pulse
4 During the line
0.2
1
3
VPP
- 30
µA
5
µA
50% SYNCH. PULSE CLAMP
Push out Current
Pull in Current
3 During the synch. pulse
3 During the line
- 350 -900 µA
25
µA
φ 1 AND φ 3 COMPARATOR
Short Time Output Current
Long Time Output Current
7 - 8 Identification high
7 - 8 Identification high
± 1.5
mA
± 0.5
mA
VCO
Catching Range
Transfer Characteristic
Free Running Frequency
2 Ceramic CSB 503B, RSERIAL = 470Ω
∆F Pin 20/∆V Pin 8
Without video signal
15
16.3 kHz
2
kHz/V
15.6
kHz
VIDEO IDENTIFICATI ON AND STANDARD OUTPUT
No video on Pin 4
16 I16 = 3mA
60Hz video
50Hz video
16 I16 = 3mA
16 I16 = 10µA
VIDEO IDENTIFICATI ON AND O.S.D. CONTROL
0 500 mV
5.7
6
6.3
V
10.5 11
V
Identification Time
14
2
µs
Output Current
q 2µs pulse within the synchro pulse -135 -160 -185 µA
q 2µs pulse outside the synchro pulse 65
80
95
µA
Identification Threshold
4.6
V
OSD Switching Threshold
lower than
1
V
REFERENCE VOLTAGE
Output voltage
Output impedance
Max output current
6 I6 = 0
∆I6 = ± 50µA
VCC/2
V
600
Ω
200 µA
AUTO VCR SWITCH
Switching threshold /V6
7 q With no noise on the video (V5 ≤ 6V) ± 0.28 ± 0.3 ± 0.32 V
q With noise on video
(6V < V5 < 7.3V)
St*
V
St* = 0.69 V5 - 3.85
3/8
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