Sanyo LA2351M Specifications

Ordering number : ENN*6955

Monolithic Linear IC

LA2351M

7.5 Mbps Automotive LAN Transceiver

Preliminary

Overview

The LA2351M is a low-noise transceiver for automotive LANs.

Featrues

•Implements 5 Mbps and 7.5 Mbps automotive LANs when used in conjunction with an automotive LAN protocol IC (ARCNET controller TMC20040C Series device).

•Built-in adjustment-free low-pass filter.

•Provides low-noise data communication.

Functions

•Transmitter block

—D/A converter (3-bit)

—Low-pass filter (for EMI prevention)

—Output driver

•Receiver block

—Receiver amplifier

—Noise removal low-pass filter (for the received signal)

—Comparator (used for wave shaping)

Package Dimensions

unit: mm

3073C-MFP30SD

[LA2351M]

	15.2
30	16
	7.9	10.5
		0.65
1	15	0.25
1.0	0.4
(0.6)
		2.45max
	(2.25)
	0.1

SANYO: MFP30SD

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

51801RM (OT) No. 6955-1/4

LA2351M

Specifications

Maximum Ratings at Ta = 25°C

Parameter	Symbol	Conditions	Ratings	Unit
Maximum supply voltage	VCC max	With no input signal	7.0	V
		Ta ≤ 85°C
Allowable power dissipation	Pd max	Mounted on a printed circuit board	500	mW
		(46.2 × 25.7 × 1.6 mm3, glass epoxy)
Operating temperature	Topr		–40 to +85	°C
Storage temperature	Tstg		–55 to +150	°C

Recommended Operating Conditions at Ta = 25°C

Parameter	Symbol		Conditions		Ratings		Unit
				min	typ	max
Recommended supply voltage	VCC				5.0		V
Operating supply voltage range	VCCOP			4.75		5.25	V
D/A converter input	Vol	Low-level input			0	0.5	V
	Voh	High-level input		2.4	3.3		V
Transmission control input	Vol	Low-level input				0.5	V
	Voh	High-level input		2.4			V
Low-pass filter input amplitude	Vlpfi			0.45		0.55	Vpp
Output driver input amplitude	Vdrvi			0.45		0.55	Vpp
Receiver amplifier input signal amplitude	Vrxi			15		75	mVpp
range (differential)
Comparator input voltage range	Vcpdci			0		3.5	V
Comparator input signal amplitude	Vcpi			0.8		1.2	Vpp

Operating Characteristics at Ta = 25°C, VCC = 5 V

	Parameter	Symbol	Conditions		Ratings		Unit
				min	typ	max
	Quiescent current	Icco	When not transmitting		50	70	mA
	D/A converter output level	Vdao	The deviation with respect to 0.5 V for	–1	0	1	dB
			(111) - (001).
	Low-pass filter
	Output attenuation	Vlpfo(9M)	The attenuation of a 9 MHz signal with	2.5	3	3.5	dB
			respect to a 1 MHz signal.
	Insertion loss	Vlpfo(1M)	f = 1 MHz	–1	0	1	dB
	Output driver
	Output attenuation	Vtxo(15M)	The attenuation of a 15 MHz signal with	0	2	3
			respect to a 1MHz signal.
	Differential amplification	Vtxo(1M)	f = 1 MHz	–1.5	0	1.5
	Receiver amplifier + noise rejection low-pass filter
	Amplification	Vnfo(1M)	f = 1 MHz		25		dB
	Frequency characteristics	Vnfo(15M)	The Frequency characteristics of a 15 MHz		–3		dB
			signal with respect to a 1 MHz signal.
	Comparator
	Low-level output amplitude	Vcpdl		0.2	0.4	0.6	V
	High-level output amplitude	Vcpdh		3.9	4.2	4.3	V

No. 6955-2/4