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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 Channelx2, ALC OUTPUT, 4dB Amplifier MONITOR OUTPUT * Video : Possible to Change 4 Channel, 6dB Amplifier * Control : I2C (Slave address : 92h)
Specifications
Maximum Ratings at Ta = 25C
Parameter Maximum supply voltage Allowable power dissipation Operating temperature Storage temperature Symbol VCC max Pd max Topr Tstg Pin 8 Ta 70C Conditions Ratings 7.0 300 -20 to +70 -55 to +150 Unit V mW C C
Recommended Operating Conditions at Ta = 25C
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 = 25C, 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 k 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 k 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
LA72730
Block Diagram
LIN-1 1 0.1F LIN-2 2 0.1F LIN-3 3 0.1F RIN-1 4 0.1F RIN-2 5 0.1F RIN-3 6 0.1F VIN-1 + 10F VCC 47F + 100H VCC 5V 0.1F VIN-2 + 10F 9 4dB 16 7 6dB 18 ALC BUFF 19 ALC BUFF 20 21 REG 22 23 24
LIN-TV 0.1F RIN-TV 0.1F
+ 47F VIN-TV + 10F AUDIO L OUT + 10F
AUDIO R OUT + 10F
75 + VIDEO OUT 220F 75
8
DET
17
+ 47F ALC FILT + 10F L Monitor out
GND
10
NC 15
VIN-3 + 10F 11 MODE SELECT 12 4dB 13 14
SDA
+ 10F R Monitor out
SCL
No.A1059-3/8
LA72730
I2C Bit Pattarn
D8 * D7 D6 D5 D4 D3 D2 0 0 1 1 * 0 1 0 0 * 1 1 * 0 1 0 * * 0 1 "*" : Shows initial condition. Slave address : 92h (1001 0010) 1 0 1 0 1 D1 0 1 0 1 Condition AV IN-TV AV IN-1 AV IN-2 AV IN-3 Norma Mute ALC Level-1 (-9dBV) ALC Level-2 (-14dBV) ALC Level-3 (-12dBV) ALC Level-4 (-18dBV) ALC-ON ALC-OFF Prohibit Fix Fix Prohibit
10 5 0
LINE-OUT
15 10 5
MONITOR
OUTPUT - dBV
OUTPUT - dBV
-5 - 10 - 15
AL
C-
F OF
ALC-1 ALC-3 ALC-2 ALC-4
0 -5 - 10 - 15 - 20 - 25 - 30 - 30
N MO
ITO
R
- 20 - 25 - 30 - 30
- 25
- 20
- 15
- 10
-5
0
- 25
- 20
- 15
- 10
-5
0
INPUT - dBV
INPUT - dBV
No.A1059-4/8
LA72730
Test Circuit
LIN-1 1 620 0.1F LIN-2 2 620 0.1F LIN-3 3 620 0.1F RIN-1 4 620 0.1F RIN-2 5 620 0.1F RIN-3 6 620 0.1F VIN-1 7 75 0.1F VCC 8 + 47F 0.1F VIN-2 9 0.1F DET 17 + 6dB 18 ALC BUFF 19 ALC BUFF 20 21 0.1F REG 22 23 0.1F 24 0.1F
LIN-TV 620 RIN-TV 620
+ 1F VIN-TV 75
AUDIO L OUT
AUDIO R OUT
VIDEO OUT
VCC5V
1F ALC FILT 4dB 16 L Monitor out
75
GND
10
15
NC
VIN-3 11 75 0.1F MODE SELECT 12 R Monitor out 4dB 13 14
SDA
SCL
No.A1059-5/8
LA72730
Pin Functions
Pin No. 1 2 3 4 5 6 23 24 Pin Name PIA_L1 PIA_L2 PIA_L3 PIA_R1 PIA_R2 PIA_R3 PIA_RTV PIA_LTV Audio input Function DC : voltage AC : level DC : 2.4V Equivalent Circuit
50k 50k
7 9 11 21
PIV_1 PIV_2 PIV_3 PIV_TV
Video input
DC : 1.6V
500
8 10 12 16
GND VCC POMONITR POMONITL Monitor output DC : 2.4V
200
13
PISCL
Serial clock input
1k
14
PISDA
Serial data input
1k
17
POALCFIL
ALC detect filter
2k
150
Continued on next page
No.A1059-6/8
LA72730
Continued from preceding page. Pin No. 18 Pin Name POVIDEO Video output Function DC : voltage AC : level DC : 1.4V Equivalent Circuit
19 20
POALCR POALCL
Audio output
DC : 2.4V
200 10k
22
PCREG
Reference voltage
DC : 2.4V
10k 9.6k 1k
500
I2C BUS serial interface specification
(1) Data Transfer Manual This IC adopts control method (I2C-BUS) with serial data, and controlled by two terminals which called SCL (serial clock) and SDA (serial data).At first, set up *1 the condition of starting data transfer, and after that, input 8 bit data to SDA terminal with synchronized SCL terminal clock. The order of transferring is first, MSB (the Most Scale of Bit), and save the order. The 9th bit takes ACK (Acknowledge) period, during SCL terminal takes "H", this IC pull down the SDA terminal. After transferred the necessary data, two terminals lead to set up and of *2 data transfer stop condition, thus the transfer comes to close. *1 Defined by SDA fall down SCL during `H' period. *2 Defined by SDA rise up SCL during `H' period. (2) Transfer Data Format After transfer start condition, transfers slave address (92h : 1001 0010 ) to SDA terminal, control data, then, stop condition (See figure 1). Slave address is made up of 7bits, *3 8th bit shows the direction of transferring data, but this IC does not have READ mode, so that this bit fix to "L". Data works with all of bit, transfer the stop condition before stop 8bit transfer, and to stop transfer, it will be canceled the transfer dates. *3 It is called R/W bit. Fig.1 DATA STRUCTURE
START Condition Slave Address R/W L ACK Control data ACK STOP condition
(3) Initialize This IC is initialized for circuit protection. Initial condition is shown on bitmap.
No.A1059-7/8
LA72730
Reference
Parameter LOW level input voltage HIGH level input voltage LOW level output current SCL clock frequency Set-up time for a repeated START condition Hold time START condition. After this period, the first clock pulse is generated LOW period of the SCL clock Rise time of both SDA and SDL signals HIGH period of the SCL clock Fall time of both SDA and SDL signals Data hold time Data set-up time Set-up time for STOP condition BUS free time between a STOP and START condition Symbol VIL VIH IOL fSCL tSU : STA tHD : STA tLOW tR tHIGH tF tHD : DAT tSU : DAT tSU : STO tBUF 0 4.7 4.0 4.7 0 4.0 0 0 250 4.0 4.7 1.0 1.0 min -0.5 2.5 max 1.5 5.5 3.0 100 unit V V mA kHz s s s s s s s ns s s
Definition of timing
tR t HI G H tF
S CL
t HD : S TA t SU : S TA t LO W t HD : D AT A t SU : D AT t SU : S TO t BU F
S DA
SANYO Semiconductor Co.,Ltd. assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein. SANYO Semiconductor Co.,Ltd. strives to supply high-quality high-reliability products, however, any and all semiconductor products fail or malfunction with some probability. It is possible that these probabilistic failures or malfunction could give rise to accidents or events that could endanger human lives, trouble that could give rise to smoke or fire, or accidents that could cause damage to other property. When designing equipment, adopt safety measures so that these kinds of accidents or events cannot occur. Such measures include but are not limited to protective circuits and error prevention circuits for safe design, redundant design, and structural design. In the event that any or all SANYO Semiconductor Co.,Ltd. products described or contained herein are controlled under any of applicable local export control laws and regulations, such products may require the export license from the authorities concerned in accordance with the above law. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or any information storage or retrieval system, or otherwise, without the prior written consent of SANYO Semiconductor Co.,Ltd. Any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. When designing equipment, refer to the "Delivery Specification" for the SANYO Semiconductor Co.,Ltd. product that you intend to use. Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. Upon using the technical information or products described herein, neither warranty nor license shall be granted with regard to intellectual property rights or any other rights of SANYO Semiconductor Co.,Ltd. or any third party. SANYO Semiconductor Co.,Ltd. shall not be liable for any claim or suits with regard to a third party's intellctual property rights which has resulted from the use of the technical information and products mentioned above.
This catalog provides information as of May, 2008. Specifications and information herein are subject to change without notice. PS No.A1059-8/8

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