STMICROELECTRONICS TEA2014A

TEA2014A
VIDEO SWITCH
.
..
.
.
1
VIDEO OUTPUT 75Ω- 1VPP NOT
SWITCHED
1 SWITCHED VIDEO OUTPUT 2VPP
VIDEO CROSSTALK : 50dB TYPICAL
SHORT CIRCUIT PROTECTION OF INPUTS
AND OUTPUTS
CLAMPED VIDEO INPUTS
DIP8
(Plastic package)
ORDER CODE : TEA2014A
DESCRIPTION
This integrated circuit provides all video switching
allowing connections between the peri TV plug and
video sections in the TV set. The TEA2014A is
supplied in a DIP8.
PIN CONNECTIONS
1
8
EXTERNAL VIDEO INPUT
75Ω VIDEO OUTPUT
2
7
SUPPLY VOLTAGE
INTERNAL VIDEO INPUT
3
6
SWITCHED VIDEO OUTPUT
NOT TO BE USED
4
5
SWITCHING INPUT
2014A-01.EPS
GROUND
May 1996
1/4
TEA2014A
ABSOLUTE MAXIMUM RATINGS
Value
18
Unit
V
°C
0, + 100
0, + 70
– 40, + 150
– 40, + 150
600
75
°C
°C
Ω
Ω
THERMAL DATA
Symbol
Rth (j-a)
Parameter
Junction-ambient Thermal Resistance
Typ.
Value
90
Unit
°C/W
2014A-01.TBL
Tj
Tstg
–
Parameter
Supply Voltage
Operating Temperature
with Load > 150 Ω on PIN 2
with Load = 75 Ω on PIN 2
Junction Temperature
Storage Temperature
Minimum DC Load Resistor PIN 6
Minimum DC Load Resistor PIN 2
2014A-02.TBL
Symbol
VCC
Toper
ELECTRICAL CHARACTERISTICS
Tamb = + 25 °C, VCC = 9 V (unless otherwise specified)
Symbol
VCC
ICC
ICC
Ptot
Parameter
Supply Voltage Range
Supply Current (no load on Pin 2 and Pin 6)
Supply Current (with 75 Ω Pin 2.1, with 600 Ω between Pin 6.1)
Total Power Dissipation with Load
Min.
8
–
–
–
Typ.
–
–
45
400
Max.
14
20
–
–
Unit
V
mA
mA
mW
–
50
6
–
50
–
–
25
–
–
4.5
–
40
2
–
Vpp
kΩ
µA
Vpp
kΩ
4
–
1.7
6
6
+5
–1
–
–
2
–
–
+6
– 0.5
–
25
2.4
–
–
+7
0
Vpp
Ω
V
MHz
MHz
dB
dB
2.2
–
1.7
6
– 1.8
–
10
2
–
–1
–
–
2.4
–
– 0.4
Vpp
Ω
V
MHz
dB
0
7
10
–
–
–
3
VCC
–
V
V
kΩ
INPUTS (pin 8 and pin 3)
–
–
–
–
–
Internal Video Input Swing from Picture IF (positive Video)
Internal Video Input Impedance (positive video)
Internal Video Input Bias Current (positive video)
External Video Input Swing (positive video)
External Video Input Impedance (positive video)
SWITCHED OUTPUT (pin 6) - R LOAD = 600 Ω
–
–
–
–
–
–
–
Video Output Swing
Video Output Dynamic Impedance
Video DC Output Voltage (sync. pulse level note 1)
Video Bandwith Pin 6 – from Internal Input Pin 3 (– 1 dB)
Video Bandwith Pin 6 – from External Input Pin 8 (– 3 dB)
Output Gain Pin 6 – Pin 8
Output Gain Pin 6 – Pin 3
EXTERNAL OUTPUT (pin 2) - RLOAD = 75 Ω
–
–
–
–
–
Video Output Swing
Video Output Dynamic Impedance
Video DC Output Voltage (sync. pulse level , note)
Video Bandwidth (– 1dB)
Video Output Gain (pin 2 – pin 3)
–
–
–
Switching Input Unactive Low Level or Unconnected Pin (TV receiving)
Switching Input Active Level (ext. receiving)
Switching Input Impedance
Note :
Use a video signal with a synchro pulse in order to make the clamp work in a correct way.
(75Ω to the ground and 10µF in series).
2/4
2014A-03.TBL
SWITCHING INPUT (pin 5)
TEA2014A
ELECTRICAL CHARACTERISTICS (continued)
Tamb = + 25 °C, VCC = 9 V (unless otherwise specified)
Symbol
Parameter
Min.
Typ.
Max.
Unit
–
– 50
– 50
–
–
–
dB
dB
–
–
–
40
2
2
5
50
–
–
–
–
%
%
%
dB
–
–
–
Video rejection Between Two Inputs
1MHz
1kHz
Linearity Distortion
Luma (test line 17)
Chroma (test line 331)
Intermodulation Luma – Chroma (test line 331)
Supply Voltage Rejection (1 kHz)
2014A-04.TBL
OTHER DYNAMIC FEATURES
TYPICAL APPLICATION
VCC
O or no connected = Video TV
Switching Input
7V = External Video
7
5
10kΩ
G=2
External
Video Input
8
Reference
(low impedance)
Video
2Vpp
6
Video coming
from TV 2Vpp
3
600Ω
2mA
G=1
TEA2014A
2
Video
1Vpp
75Ω
2014A-02.EPS
75Ω
1
We advice to protect the 75 Ω output through a 75 Ω resistor for supply voltage higher than 9 V.
3/4
TEA2014A
PM-DIP8.EPS
PACKAGE MECHANICAL DATA
8 PINS – PLASTIC DIP
A
a1
B
b
b1
D
E
e
e3
e4
F
I
L
Z
Min.
Millimeters
Typ.
3.32
0.51
1.15
0.356
0.204
Max.
1.65
0.55
0.304
10.92
9.75
7.95
Min.
0.020
0.045
0.014
0.008
Max.
0.065
0.022
0.012
0.430
0.384
0.313
2.54
7.62
7.62
3.18
Inches
Typ.
0.131
0.100
0.300
0.300
6.6
5.08
3.81
1.52
0.125
0260
0.200
0.150
0.060
Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility
for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result
from its use. No licence is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics.
Specifications mentioned in this publication are subject to change without noti ce. This publication supersedes and replaces all
information previously supplied. SGS-THOMSON Microelectronics products are not authorized for use as critical components in life
support devices or systems without express written approval of SGS-THOMSON Microelectronics.
 1996 SGS-THOMSON Microelectronics - All Rights Reserved
Purchase of I2C Components of SGS-THOMSON Microelectronics, conveys a license under the Philips
I2C Patent. Rights to use these components in a I2C system, is granted provided that the system confo rms to
the I2C Standard Specifications as defined by Philips.
SGS-THOMSON Microelectronics GROUP OF COMPANIES
Australia - Brazil - Canada - China - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco
The Netherlands - Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A.
4/4
DIP8.TBL
Dimensions