Ordering number : ENA1059
Monolithic Linear IC
LA72730
Overview
For TV
Audio/Video Switch
The LA72730 is an Audio/Video Switch for TV.
Functions
•
Audio : Possible to Change 4 Channel×2, ALC OUTPUT, 4dB Amplifier MONITOR OUTPUT
•
Video : Possible to Change 4 Channel, 6dB Amplifier
•
Control : I
2
C (Slave address : 92h)
Specifications
Maximum Ratings
at Ta = 25°C
Parameter
Maximum supply voltage
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
VCC max
Pd max
Topr
Tstg
Pin 8
Ta
≤
70°C
Conditions
Ratings
7.0
300
-20 to +70
-55 to +150
Unit
V
mW
°C
°C
Recommended Operating Conditions
at Ta = 25°C
Parameter
Recommended operating voltage
Operating voltage range
Symbol
VCC
VCC op
Pin 8
Pin 8
Conditions
Ratings
5.0
4.5 to 5.5
Unit
V
V
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,
communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be
intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace
instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety
equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case
of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee
thereof. If you should intend to use our products for applications outside the standard applications of our
customer who is considering such use and/or outside the scope of our intended standard applications, please
consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our
customer shall be solely responsible for the use.
Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer
'
s products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer
'
s products or
equipment.
52108 MS PC 20080514-S00004 No.A1059-1/8
LA72730
Electrical Characteristics
at Ta
=
25°C, VDD = 5.0V
Parameter
Current dissipation
Audio block
Audio input DC voltage
Audio output DC voltage
Audio channel bandwidth
Audio voltage gain (Audio-out)
Audio voltage gain (Monitor-out)
Audio input dynamic range
(Audio-out)
Audio input dynamic range
(Monitor-out)
Audio channel PSRR
Audio channel input impedance
Audio channel output impedance
Audio channel crosstalk
Audio channel S/N
Audio channel THD
ALC Detect level-1
ALC Detect level-2
ALC Detect level-3
ALC Detect level-4
Video block
Video input DC voltage
Video output DC voltage
Video channel bandwidth
Video signal voltage gain
Video input dynamic range
Video channel PSRR
Video channel input impedance
Video channel output impedance
Video channel crosstalk
Video channel noise
INv
Ov
Fv
Av
Dv
PSv
Riv
Rov
CTv
SNv
f = 3.58MHz, VIN = 1Vp-p
Bandwidth 10MHz
-3dB frequency
f = 500kHz, VIN = 1Vp-p
f = 100kHz, THD
≤
1%
VCC = 5V+1Vp-p, SINE WAVE (50Hz)
1.44
1.26
10
5.0
2.0
35
8.0
30
45
55
6.0
2.5
50
10
40
60
60
12.0
50
7.0
1.6
1.4
1.76
1.54
V
V
MHz
dB
Vp-p
dB
kΩ
Ω
dB
dB
PSa
Ria
Roa
CTa
SNa
THDa
ALC1
ALC2
ALC3
ALC4
f = 1kHz
Filter = DIN/AUDIO
f = 1kHz, VIN = -6dBV
-10.5
-15.5
-13.5
-19.5
Da2
INa
Oa
Fa
Aa1
Aa2
Da1
No signal pin 1, 2, 3, 4, 5, 6, 23, 24 DC voltage
No signal pin 19, 20 DC voltage
Input : 1kHz/20kHz, -6dBV : Pin 19, 20 output
f = 1kHz, VIN = -6dBV, Pin 19, 20 output
f = 1kHz, VIN = -6dBV, Pin 12, 16 output
f = 1kHz, THD =
≤1%
Pin 19, 20 output
f = 1kHz, THD =
≤1%
Pin 13, 16 output
VCC = 5V+1Vp-p, SINE WAVE (50Hz)
35
80
150
65
70
50
100
200
80
85
0.15
-9
-14
-12
-18
0.3
-7.5
-12.5
-10.5
-16.5
120
250
dB
kΩ
Ω
dB
dB
%
dBV
dBV
dBV
dBV
-5.0
-3.0
dBV
2.2
2.2
-2
-0.3
3.5
-3.0
2.4
2.4
0
0.0
4.0
-1.0
2.6
2.6
+2
+0.3
4.5
V
V
dB
dB
dB
dBV
Symbol
ICC
Conditions
min
VCC = 5V, No signal
15.2
Ratings
typ
18
max
20.8
mA
Unit
Package Dimensions
unit : mm (typ)
3067B
21.0
24
13
0.9
0.95
3.3 3.9 max
(0.71)
0.51min
(3.25)
1.78
0.48
SANYO : DIP24S(300mil)
0.25
1
12
7.62
6.4
No.A1059-2/8
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
