Sanyo LA7956 Specifications

Ordering number:ENN3353A

Monolithic Linear IC

LA7956

Video Switch for TV/VCR Use

Features

•4 inputs, 1 output, 75Ω termination, driver on-chip.

•6dB amplifier on-chip.

•Excellent crosstalk characteristic.

•Wide band.

Specifications

Package Dimensions

	unit:mm
	3017D-SIP9
			[LA7956]
			22.0			3.0
					(4.5)	5.7 max
	1			9	min	3.2
					0.51
	(0.84)	2.54	0.5	1.3		0.25
						1.35
					SANYO : SIP9

Maximum Ratings at Ta = 25˚C

Parameter	Symbol	Conditions	Ratings	Unit
Maximum supply voltage	V7 max		14	V
Maximum input supply voltage 1	V4 max, V6 max,		8	V
	V8 max, V9 max
Maximum input supply voltage 2	V2 max, V3 max	VCC=14V	14	V
Maximum output current	I1 max		10	mA
Allowable power dissipation	Pd max	Ta≤65˚C	540	mW
Operating temperature	Topr		–20 to +65	˚C
Storage temperature	Tstg		–55 to +150	˚C

Operating Conditions at Ta = 25˚C

Parameter	Symbol	Conditions	Ratings	Unit
Operating voltage range	VCC op		10.5 to 13.5	V
Recommended supply voltage	VCC		12	V

Any and all SANYO products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft’s control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. Consult with your SANYO representative nearest you before using any SANYO products described or contained herein in such applications.

SANYO 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 products described or contained herein.

SANYO Electric Co.,Ltd. Semiconductor Company

TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN

O2500TN (KT)/O3095MH/3260TA, TS No.3353–1/4

LA7953

Operating Characteristics at Ta = 25˚C, VCC=12V

Parameter	Symbol	Conditions		Ratings		Unit
			min	typ	max
Quiescent current drain	ICC		15	21	30	mA
Input bias voltage	V4, V6, V8, V9		3.5	3.8	4.1	V
Output bias voltage	V1		4.6	6.1	7.6	V
Output DC offset voltage	VOS	(Note 1)	–50	0	+50	mV
Control threshold voltage	V2H, V3H,		2.3			V
	V2L, V3L				0.7	V
Control input current	I2, I3		–20	–6		µA
Voltage gain	GV	f=1MHz, VIN=2Vp-p (Note 1)	5.6	6.1	6.4	dB
Frequency characteristics	GV-f	0dB at f=100kHz (Note 1)	–3	0		dB
		f=10MHz, VIN=1Vp-p
Output dynamic range	VDR	f=15kHz, VIN=1.5Vp-p (Note 1)	1.4	1.5		Vp-p
Crosstalk (Note 2)	CT	VIN=1Vp-p, f=3MHz (Note 1)	50(48)	58(55)		dB
		VIN=1Vp-p, f=5MHz (Note 1)	45(45)	55(52)		dB

The current flowing into the IC is defined as positive and current from the IC is defined as negative.

Video Switch Truth Table

S2	S3	VIN1	VIN2	VIN3	VIN4
(Pin 2)	(Pin 3)	(Pin 4)	(Pin 6)	(Pin 8)	(Pin 9)
H	H	ON	OFF	OFF	OFF
L	H	OFF	ON	OFF	OFF
H	L	OFF	OFF	ON	OFF
L	L	OFF	OFF	OFF	ON

Note 1 : Refer to this Truth Table and make measurements by switching S2, S3.

Note 2 : ( ) : Crosstalk between pins 8 and 9.

Input/Output Equivalent Circuit

Equivalent

No.3353–2/4