ST L9616 User Manual

®

L9616

HIGH SPEED CAN BUS TRANSCEIVER

L9616 MEETS ISO/DIS 11898 UP TO 1MEGABAUD

TRANSMITTER

-GENERATION OF DIFFERENTIAL OUTPUT SIGNALS

-SHORT CIRCUIT PROTECTED FROM -5V TO 36V, DETECTION & SHUTDOWN

-SLOPE CONTROL TO REDUCE RFI AND EMI

-TWO STATES ADJUSTABLE SLOPE CONTROL (≤1MEGABAUD/≤250KBAUD)

RECEIVER

-DIFFERENZIAL INPUT WITH HIGH INTERFERENCE SUPPRESSION

-COMMON MODE INPUT VOLTAGE RANGE

(VCOM) FROM -2V TO VS+3V

ESD PROTECTION LEVEL UP TO 4kV PACKAGE: SO-8

DESCRIPTION

The L9616 is a bidirectional transceiver for signal

BLOCK DIAGRAM

SO-8

ORDERING NUMBER: L9616D

conditioning and processing in connection with a CAN controller. Data rates of up to 1MEGABAUD are supported using either shielded or nonshielded pair of lines.

						3
						VS
			1
			&	td
TX0	1
					³1	1
			&
ASC	8
						7
	4	+
						C_H
RX0	1	VS				C_L
		-
						6
			1	+
	5			-
RX1
						M
	M	VREF	VCLmax		M
						2
						GND
	RECEIVER		PROTECTION			TRANSMITTER
						D96AT245

November 2000	1/8

L9616

ABSOLUTE MAXIMUM RATINGS

Symbol	Parameter	Value	Unit
VS	Supply Voltage	-0.3 to 7	V
VC_H, VC_L	Bus Voltage at C_H, C_L (VS 0 to 5.5V)	-5 to 36	V
IC_H, IC_L	Off State Leakage Current at C_H, C_L ( VS =0 to 5.5V,	-3 to 5	mA
	VC_H = -5 to 36V, VC_L = -5 to 36 )
VDC	DC Voltage at TXO, ASC (VS 0 to 5.5V)	GND -0.3 to VS +0.3	V
IRXO	Output Current at RXO (VS 0 to 5.5V)	-0.3 to 1	mA
Tstg, TJ	Storage and Junction Temperature Range	-40 to 150	°C
Top	Operating Temperature Range	-40 to 125	°C

All voltages, except bus voltage, are defined with respect to pin 2

Positive currents flow into the IC.

PIN CONNECTION

TX0	1	8	ASC
GND	2	7	C_H
VS	3	6	C_L
RX0	4	5	RX1
		D96AT246

THERMAL DATA

Symbol	Parameter	Value	Unit

PIN FUNCTIONS

N.	Name	Function
1	TXO	Transmitter Input
2	GND	Ground
3	VS	Supply Voltage
4	RXO	Receive Output
5	RX1	Reference Voltage
6	C_L	Low Side Bus Output
7	C_H	High Side Bus Output
8	ASC	Adjustable Slope Control

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L9616

ELECTRICAL CHARACTERISTICS (TOP = -40 to 125°C; VS = 4.5 to 5.5V; Dominat: VTXO = GND; Recessive: VTXO = VS; All voltages, except bus voltage, are defined with respect to pin 2. Positive currents flow into the IC unless otherwise specified.)

Symbol	Parameter	Test Condition	Min.	Typ.	Max.	Unit
VS	Supply Voltage		4.5	5	5.5	V
IS	Supply Current	Dominant			80	mA
		Recessive			20	mA

TRANSMITTER SECTION (RA = 60Ω between C_H and C_L)

CTXO	TXO Input Capacitance	0V < VTXO < VS		25		pF
VTXO	TXO High Level Input Voltage		0.7 VS		VS
	TXO Low Level Input Voltage		0		0.3 VS
ITXO	TXO High Level Input Current	VTXO = VS	-2	0	2	μA
	TXO Low Level Input Current	VTXO = GND	-275	0	-25	μA
CASC	ASC Input Capacitance	0V < VASC < VS		25		pF
VASC	ASC Input Voltage for High		0		0.1 VS
	Speed
	ASC Input Voltage for Low Speed		0.9 VS		VS
IASC	ASC Input Current	VASC = VS	25		275	μA
		VASC = 0V	-2	0	2	μA
VC_H, VC_L	Bus Voltage Recessive	Recessive	0.4 VS	0.5 Vs	0.6 Vs
IC_H, IC_L	Leakage Current Recessive	VC_L = VC_H = -2 to 7V	-0.7		0.7	mA
		VC_L = VC_H = 1 to 4V	-0.3		0.3	mA
RIN(C_H, C_L)	Input Resistence	Recessive	5		50	KΩ
RDiff(C_H, C_L)	Differential Input Resistence	Recessive	10		100	KΩ
VDiff =	Differential Output Voltage	Dominant, RA	1.5		3	V
VC_H - V C_L)
VDiff =	Differential Output Voltage	Recessive	-500	0	50	mV
VC_H - V C_L)
td	Short Circuit Detection Time	RCS < 1Ω	1	5	10	μs
	C_H to C_L ; C_H to B
IA	Supply Current in Case of Short			150		mA
	Circuit, C_H to C_L, C_H to B
	(time = td)
VC_Lmax	Overvoltage Protection		7	8	10	V
	Threshold on C_L

RECEIVE SECTION

VRXO	RXO High Level Output Voltage	VDiff < 0.5V; IRXO = 0.3mA;	0.9 VS		Vs	V
		VC_H = -2 to 7V; VC_L = -2 to 7V;
	RXO Low Level Output Voltage	VDiff > 0.9V; IRXO = 1mA;			0.5	V
		VC_H = -2 to 7V; VC_L = -2 to 7V;
VS =	Input Signal Threshold	VC_H = -2 to 7V; VC_L = -2 to 7V;	500	700	900	mV
VC_H -VC_L
VCOM = (VC_H	Input Common Mode Voltage		-2		7	V
+VC_L)/2	Range
VHYS	Differential Input Hysteresis			150		mV

REFERENCE OUTPUT

VRX1	Reference Voltage	IRX1 = 0	0.45	VS	0.5 VS	0.55 VS	V
RRX1	Output Resistance		2			9	KΩ

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