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Número de pieza | LA73052 | |
Descripción | 4ch 75ohm Video Driver | |
Fabricantes | Sanyo Semicon Device | |
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Ordering number : ENA0244
LA73052
Monolithic Linear IC
4ch 75Ω Video Driver
Overview
This LA73052 is a 4ch 75Ω Video Driver IC. The LA73052 is ideal for use the video output driver such as VCR and
DVD-player equipment.
Functions
• 6dB AMP+driver (2ch)
• 2input-1output SW+6dB AMP+driver (2ch)
Specifications
Maximum Ratings at Ta = 25°C
Parameter
Symbol
Conditions
Maximum supply voltage
Allowable power dissipation
VCC max
Pd max
Ta ≤ 80°C ∗
Operating temperature
Topr
Storage
∗ When
temperature
mounted on a
114.3×76.1×1.6mm3
Tstg
glass
epoxy
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board.
Recommended Operating Conditions at Ta = 25°C
Parameter
Symbol
Recommending operation voltage
VCC
Conditions
Operating voltage range
VCC op
Ratings
Unit
±7, +14
V
700 mW
-20 to +80
°C
-55 to +150
°C
DataShee
Ratings
±5
+9
±4.0 to ±5.5
+8 to +10
Unit
V
V
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30706 MS OT B8-7298,B8-5738 No.A0244-1/7
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Pin Functions
Pin No.
Pin Name
1 DCCNT1
3 DCCNT2
17 DCCNT3
2 GND
4
18
32
5 VIN1A
7 VIN1B
9 VIN2
11 VIN3
13 VIN4A
15 VIN4B
LA73052
Terminal Explanation
DC offset mode charge terminal between input and output.
When a condenser is input at the position between pin 1
(DCCNT1) and GND, the operation of IC becomes the mode
with 0.6V DC offset between input and output of 1ch
(pins 5 and 34).
Similarly when a condenser is input at the position between
pin 3 (DCCNT2) and GND, it becomes the mode with 0.3V DC
offset between input and output of 1, 2, 3ch (pins 7 and 34, pins
9 and 29, pins 11 and 27), and when a condenser is input at the
position between pin 17 (DCCNT3) and GND, it becomes the
mode with 0.3V DC offset between input and output of 4ch
(pins 13 or 15, and pin 31).
And when pins 1, 3, 17 and GND is shorted, it becomes the
mode without DC offset between input and output.
Both ±power supply and +power supply are GND.
Input terminal.
Non-bias. It is possible to use with being directly connected
with DC. When DC coupling, it is necessary to add bias after
the coupling.
Equivalent Circuit
et4U.com
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6 NC
8
10
14
16
20
22
23
26
31
35
12
SW2
Changeover terminal of Mute or Input Switch
24
MUTE3
When the Mute terminal is Low, it is Mute.
28
MUTE2
Changeover of Input Switch is :
30 SW1
SW1 High : VIN1B
33 MUTE1
Low : VIN1A
SW2 High : VIN4A
Low : VIN4B
When the terminal is Open, it is Low.
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Continued on next page.
No.A0244-5/7
5 Page |
Páginas | Total 6 Páginas | |
PDF Descargar | [ Datasheet LA73052.PDF ] |
Número de pieza | Descripción | Fabricantes |
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