Sanyo LA7391AN Specifications

Ordering number: EN 3951B

Monolithic Linear IC

LA7391AN

Global VHS-format VCR

Video Signal Processor

Overview

Package Dimensions

The LA7391AN is a multi-format, single-chip video signal processing IC that supports TV systems around the world.

Features

. Compatible with TV systems around the world (NTSC/

. PAL/MESECAM/4.43 -NTSC/PAL-M/PAL-N).

All filters on chip, except for PB-LPF for chroma (cutoff

. frequency requires no adjustment).

. No adjustment of YNR and DOC levels.

. Double high-pass noise canceller on chip.

. Linear phase-type picture control on chip.

. fsc output can be used as clock for OSD IC.

. DCC circuit on chip.

. Pilot burst erasure circuit on chip.

. High-speed AFC circuit on chip.

. Switching noise canceller on chip.

. Smallest package in the industry.

. Few components needed. 2fsc output.

unit: mm

3025B-DIP42S
42	[LA7391AN]		22
			15.24	13.8
				0.25
1			21
37.9
			4.25	5.1max
			0.51min	3.8
0.95	0.48	1.78	1.15
			SANYO : DIP42S

. I/O pin for CNR insertion added.

. YNR/LNC switching possible.

Specifications

Maximum Ratings at Ta = 25 ° C

Parameter	Symbol	Conditions	Ratings	Unit
Maximum supply voltage	VCCmax		7.0	V
Allowable power dissipation	Pdmax	Ta %65 °C	1020	mW
Operating temperature	Topr		±10 to +65	°C
Storage temperature	Tstg		±40 to +150	°C
Operating Conditions at Ta = 25 ° C
Parameter	Symbol	Conditions	Ratings	Unit
Recommended supply voltage	VCC		5.0	V
Operating supply voltage range	VCCop		4.8 to 5.5	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

51595TH (II) No.3951-1/11

LA7391AN

Operating Characteristics at Ta = 25 ° C, VCC = 5.0 V

Parameter	Symbol	Input	Output	Conditions	min	typ	max	Unit
[REC Mode Y]
Current drain REC	ICCR			When VCC = 5 V (when there is no signal),	95	120	145	mA
				measure sum of incoming current at pins 35
				and 28
AGC adjustment	CAGC	T37A		VIN = 1.0 Vp-p video signal, use VR39 to
				adjust T4 output to 0.5 Vp-p
VCA control characteristics	VCA	T37A	T4	Measure T4 output level when S10 is set to 2	0.48	0.5	0.52	Vp-p
AGC adjustment voltage	VAGC	T37A	T39	Measure T39 DC voltage in above state	3.2	3.4	3.6	V
AGC detection voltage	VAD	T37A	T38	Measure T38 DC voltage in same manner	1.2	1.4	1.6	V
EE output level	VEE	T37A	T34A	Measure T34A output level in same manner	0.95	1.00	1.05	Vp-p
AGC Output 1	AGC 1	T37A	T4	VIN = 2.0 Vp-p video signal	500	540	560	mVp-p
				Measure T4 output level
AGC Output 2	AGC 2	T37A	T4	VIN = 0.5 Vp-p video signal	470	490	500	mVp-p
				Measure T4 output level
AGC Output 3	AGC 3	T37A	T4	VIN = 700 mVp-p LUMI, 600 mVp-p SYNC	135	150	165	mVp-p
				Measure T4 SYNC level
AGC Output 4	AGC 4	T37A	T4	VIN = 700 mVp-p LUMI, 150 mVp-p SYNC	70	85	100	mVp-p
				Measure T4 SYNC level
Sync separation output level	VSYR	T37A	T32	VIN = 1.0 Vp-p video signal,	4.0	4.2	4.4	Vp-p
				Measure T32 output pulse wave high value
Sync separation output	PWSYR	T37A	T32	VIN = 1.0 Vp-p video signal,	4.4	4.7	5.0	µs
pulse width				Measure T32 output pulse width
Sync separation output	TSYR	T37A	T32	VIN = 1.0 Vp-p video signal, measure delay	0.6	0.8	1.0	µs
leading edge delay time				time of output SYNC versus input SYNC
Sync separation threshold	THSYR	T37A	T32	Gradually attenuate the input level, measure		±18	±14	dB
level				input level at point when output pulse width
				widens 1 µs or more beyond PWSYR
Sync tip level,	LVOR	T37A	T34	Measure electric potential for each of the T34
pedestal level,				video output sync tip, pedestal, and white
white level measurement				peak, and assign the measured values to
(REC)				LSYN, LPED, and LWHI, respectively
Pseudo V insertion level	VDR	T37A	T34	Measure T34 DC voltage when 5 V is applied	±80	0	80	mV
(REC)				to T33, and assign the measured value to
				LVDR and calculate the difference with LSYN
				VDR = LSYN ± LVDR
Pseudo H insertion level	HDR	T37A	T34	Measure T34 DC voltage when 2.7 V is	±200	±100	0	mV
(REC)				applied to T33, and assign the measured
				value to LHDR and calculate the difference
				with LPED
				HDR = LPED ± LHDR
White insertion level (REC)	WHR	T37A	T34	Measure T34 DC voltage when 1.3 V is	150	250	350	mV
				applied to T33, and assign the measured
				value to LWHR and calculate the difference
				with LWHI
				WHR = LWHI ± LWHR
VCA detection voltage	VVCA	T37A	T9	Measure T9 DC voltage	3.1	3.4	3.7	V
REC YNR operation	VR-YNR	T37A	T3	VIN = white 50% + CW	3.5	4.5	5.5	dB
EP/LP				(15.8 mVp-p) ratio between 32fH component
				and 32.5fH component
Y-LPF frequency	YLPF 1	T37A	T3	VIN = standard multiburst signal 1 Vp-p,	0.2	0.7	1.2	dB
characteristics				2 MHz response to 500 kHz at T3
	YLPF2	T37A	T3	VIN = standard multiburst signal 1 Vp-p,	±4.5	±3.5	±2.5	dB
				4.8 MHz response to 500 kHz at T3
	YLPF3	T37A	T3	VIN = standard multiburst signal 1 Vp-p,	0.4	0.9	1.4	dB
				2 MHz response to 500 kHz at T3, T22A: 5 V
	YLPF4	T37A	T3	VIN = standard multiburst signal 1 Vp-p,	±5.0	±4.0	±3.0	dB
				4.8 MHz response to 500 kHz at T3, T22A: 5
				V
FM modulator output level	VFM		T40	No input, use VR42 to adjust output	0.8	1.0	1.2	Vp-p
				frequency to 4 MHz, measure output level
FM modulator secondary	HMOD		T40	Ratio of 8 MHz component to 4 MHz in the		±40	±35	dB
distortion				above state

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Parameter	Symbol	Input	Output		Conditions		min	typ	max	Unit
FM modulator modulation	SMOD	T4	T40	Measure amplitude of change in output			1.6	2.0	2.4	MHz/V
sensitivity				frequency when 2.6 V DC or 3.1 V DC is
				applied to T4, 2 x (f3.1 ± f2.6)
FM modulator linearity	LMOD	T4	T40	Measure output frequency when 2.85 V DC			±2	0	2	%
				applied to T4,
				LMOD =	f2.85 ± (f3.1 + f2.6)/2	x 100
					SMOD
1/2 fH carrier shift	CS1		T40	Measure amplitude of change in output			6.8	7.8	9.5	kHz
				frequency when SW41B is off and SW41A is
				switched from on to off
	CS2		T40	Measure amplitude of change in output			6.8	7.8	9.5	kHz
				frequency when SW41B is on and SW41A is
				switched from on to off
Emphasis gain	GEMPH	T4A	T5	VIN = 0.5 Vp-p 10 kHz sine wave			±0.5	0	0.5	dB
				Measure ratio of levels of input and output
				amplitude at T5
Detail enhancer	GENH1	T4A	T5	VIN = 158 mVp-p 2 MHz sine wave			0.9	1.4	1.9	dB
characteristics				Measure ratio of levels of T5 and T4,
				difference with GEMPH
	GENH2	T4A	T5	VIN = 50 mVp-p 2 MHz sine wave			2.2	3.2	4.2	dB
				Measure ratio of levels of T5 and T4,
				difference with GEMPH
	GENH3	T4A	T5	VIN = 15.8 mVp-p 2 MHz sine wave			4.0	5.0	6.0	dB
				Measure ratio of levels of T5 and T4,
				difference with GEMPH
	GENH4	T4A	T5	VIN = 15.8 mVp-p 2 MHz sine wave			1.8	2.8	3.8	dB
				Measure output amplitude at T5 in edit mode,
				difference with GEMPH
Nonlinear emphasis	GNLEMP1	T4A	T5	VIN = 500 mVp-p 2 MHz			0.5	1.4	2.3	dB
characteristics				Measure ratio of levels of T5 and T4,
				difference with GEMPH
	GNLEMP2	T4A	T5	VIN = 158 mVp-p 2 MHz			2.6	3.8	5.2	dB
				Measure ratio of levels of T5 and T4,
				difference with GEMPH
	GNLEMP3	T4A	T5	VIN = 50 mVp-p 2 MHz			4.9	6.4	7.9	dB
				Measure ratio of levels of T5 and T4,
				difference with GEMPH
Main linear emphasis	GME1	T4A	T5	VIN = 50 mVp-p 200 kHz sine wave			4.9	5.2	5.5	dB
characteristics				Measure ratio of levels of T5 and T4,
				difference with GEMPH
	GME2	T4A	T5	VIN = 50 mVp-p 2 MHz			13.1	13.6	14.1	dB
				Measure ratio of levels of T5 and T4,
				difference with GEMPH
White clipping level	LWC	T4A	T5	VIN = 500 mVp-p white 100% video signal			186	193	200	%
				Measure white clipping level at T5
Dark clipping level	LDC	T4A	T5	VIN = 500 mVp-p white 100% video signal			±60	±55	±50	%
				Measure dark clipping level at T5
[PB Mode Y]
Current drain PB	ICCP			Incoming current at pins 35 and 28 when			125	155	185	mA
				VCC = 5.0 V
Dropout compensation	TDOC	T39A	T34A	T39A: 4 MHz, 300 mVp-p sine wave			0.35	0.5	0.65	ms
period		T4A		T4A: 0.5Vp-p video signal
				T34A: time from when input went to 0 until
				T34A output returned, SW10 → 1
DOC loop gain	GDOC	T39A	T12	T39A: 4 MHz, 300 mVp-p sine wave			±1.0	0	1.0	dB
		T4A		T4A: 0.5Vp-p video signal
				T39A: Input/output response when 5H have
				elapsed after input went to 0, SW10 → 3
FM demodulation voltage	VDEM4	T39A	T3	VIN=300 mVp-p, f = 4 MHz, Output DC			1.5	2.0	2.5	V
				voltage
FM demodulation sensitivity	SDEM	T39A	T3	VIN = 300 mVp-p, f = 2 MHz, VDEM2			0.36	0.45	0.54	V/MHz
				VIN = 300 mVp-p, f = 6 MHz, VDEM6
				Calculate SDEM = (VDEM6 ± VDEM2)/4

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Parameter	Symbol	Input	Output		Conditions		min	typ	max	Unit
FM demodulation linearity	LDEM	LDEM =		VDEM4 ± (VDEM6 + V DEM2)/2x 100			±3.5	0	3.5	%
					VDEM6 ± VDEM2
Carrier leak	CL	T39A		T3	VIN = 300 mVp-p, f = 4 MHz			±40	±35	dB
					Ratio between 4 MHz component of T3 and
					SDEM
PB YNR characteristics	GP-YNR	T4A	T28A		VIN = white 50% + CW (15.8 mVp-p)		±11	±9	±7	dB
LP/EP					Ratio between 32fH component and 32.5fH
					component
PB LNC characteristics	GP-LNC	T4A	T28A		VIN = white 50% + CW (15.8 mVp-p)		±7.0	±5.5	±4.0	dB
SP					Ratio between 32fH component and 32.5fH
					component
Playback through gain	GPB	T4A	T34A		Apply VIN = 0.5 Vp-p video signal to pin 4,		4.0	5.5	7.0	dB
					and determine ratio between T34A output
					level and input level
Nonlinear de-emphasis	GNLDEEM1	T4A	T34A		VIN = white 50% + CW (f = 1 MHz, 158		±2.8	±1.8	±0.8	dB
characteristics					mVp-p)
					measure input/output response, difference
					with GPB
	GNLDEEM2	T4A	T34A		f = 1 MHz, 50 mVp-p		±5.0	±4.0	±3.0	dB
Noise canceller	GWNC1	T4A	T34A		f = 1.5 MHz, 158 mVp-p		±1.3	±0.8	±0.3	dB
characteristics	GWNC2	T4A	T34A		f = 1.5 MHz, 50 mVp-p		±4.5	±3.5	±2.5	dB
	GWNC3	T4A	T34A		f = 1.5 MHz, 15.8 mVp-p		±10.5	±9.0	±7.5	dB
PIC-CTL center response	GPC	T4A	T34A		f = 2 MHz, 158 mVp-p		1.2	1.7	2.2	dB
characteristics
PIC-CTL hard response	GPH	T4A	T34A		f = 2 MHz, 158 mVp-p		7.0	8.0	10.0	dB
characteristics
PIC-CTL soft response	GPS	T4A	T34A		f = 2 MHz, 158 mVp-p		±10.0	±8.0	±7.0	dB
characteristics
Sync tip level,	LVOR	T4A	T34		With VIN = white 100% and T34A at 1.0
pedestal level,					Vp-p, measure electric potential for each of
white level measurement					the pin 34 video output sync tip, pedestal,
(PB)					and white peak, and assign the measured
					values to LSYN, LPED, and LWHI, respectively
Pseudo V insertion level	VDP	T4A	T34		Measure pin 34 DC voltage when 5 V is		±80	0	80	mV
(PB)					applied to pin 33, and assign the measured
					value to LVDP, and calculate the difference
					with LSYN
					VDP = LSYN ± LVDP
Pseudo H insertion level	HDP	T4A	T34		Measure pin 34 DC voltage when 2.7 V is		±300	±200	±100	mV
(PB)					applied to pin 33, and assign the measured
					value to LHDP, and calculate the difference
					with LPED
					HDP = LPED ± LHDP
White insertion level (PB)	WHP	T4A	T34		Measure pin 34 DC voltage when 1.3 V is		20	120	220	mV
					applied to pin 33, and assign the measured
					value to LWHP, and calculate the difference
					with LWHI
					WHP = LWHI ± LWHP
Sync separation output level	VSYP	T4A	T32		VIN = 0.5 Vp-p video signal, pin 32 output		4.0	4.2	4.4	Vp-p
					pulse wave high value
Sync separation output	PWSYP	T4A	T32		VIN = 0.5 Vp-p video signal, T32 output pulse		4.4	4.7	5.0	µs
pulse width					width
Sync separation output	TSYP	T4A	T32		VIN = 0.5 Vp-p video signal, measure delay		0.9	1.1	1.3	µs
leading edge delay time					time of output SYNC versus input SYNC
4.2 V regulator operation	VREG		T30		Measure DC level of T30 in REC mode		3.95	4.15	4.35	VDC
check
[REC Mode Chroma]
REC chroma low-band	VOR-15	T37A	T15A		VIN = standard color bar signal (1 Vp-p),		120	160	200	mVp-p
conversion output level					measure burst level at T15A
Burst emphasis amount	GBE	T37A	T15A		VIN = standard color bar signal (1 Vp-p)		5.5	6.0	6.5	dB
(NTSC mode)					Ratio of burst level at T15A when S41A is off
					(SP/EP) and on (LP)

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