SGS Thomson Microelectronics STV1389AQ Datasheet

CABLE DRIVER FOR DIGITAL TRANSFER

.

1 DIFFERENTIAL INPUT, 3 DIFFERENTIAL
OUTPUTS

.

SUFFICIENT DRIVE CAPABILITY FOR A
300mLENGTH COAXIALCABLE

.

STABILITY DUE TO MINIMAL WAVEFORM
DISTORTION

.

BIPOLARSILICON MONOLITHICIC

APPLICATIONS

.

DATA TRANSFER BETWEEN DIGITAL SIG­NALPROCESSINGEQUIPMENT

DESCRIPTION

The STV1389AQoffersin asingle-chipacomplete
IC driver for digital data transfer.

STV1389AQ

QFP32

(Plastic Package)

ORDER CODE : STV1389AQ

PINCONNECTIONS

3A

N.C.

24 1718192023 2122

GND6

25

GND7

26

3B

27

28

N.C.

GND

29

GND

30

31

N.C. N.C.

1A

32

1 2345678

GND2

GND

1B

GND3

GND

GND

2B

GND

N.C.

GND

GND5

INY

GND4

16

15

14

13

12

11

10

9

N.C.

2A

N.C.

VEE

VEE

VEE

VEE

INX

1389-01.EPS

November 1992

1/7

STV1389AQ

PIN DESCRIPTION

Pin

Number

Symbol

Standard

DC

Voltage

Equivalent Circuit Description

GND

180

7

Ω

1mA

2kΩ

17
18
25
26

32
16

20
23
27

7
9

1
2

INY
INX

GND2
GND3
GND4
GND5

- 2.7V

-

2kΩ

9

GND

VEE

1k

180 Ω

Ω

1mA

GND6
GND7

1A

3

1B
2A
2B

- 2.7V

1mA

3A
3B

VEE

Input pin of the differential
amplifier. Input executed after DC
portion is cut off.

1389-02.EPS

Collector of the emitter follower

1

output Tr.
Connect to GND.

2
17
18
25
26

32

Emitter of emitter follower output

3

Tr.

16

To use, connect pull-down

20

resistor. (Even when only 1 side is
used pull-down is executed In

23

pairs.)

27

Pairs 32 16 23

32027

2/7

1389-03.EPS

1389-01.TBL

BLOCK DIAGRAM

N.C. N.C.

24

25

GND6

26

GND7

27

3B

28

N.C.

29

GND

30

GND

3A GND GND 2B GND5 GND4

2122

1718192023

-5V

STV1389AQ

When the belowinput is applied
between INX and INY, in-phase

16

2A

15

N.C.

14

VEE

13

VEE

12

VEE

11

VEE

1.6Vp-p

1.6Vp-p is output at 1A, 2A and 3A.
In reversedphase, 1.6Vp-p is output
at 1B, 2B and 3B.

* Various output pins are connected
as indicatedbelow.

150

0.1µF

Ω

-5V

75

Co-axialcable

Ω

N.C.

31

32

1A

12345678

GND2 GND3 1B GND GND GND INY

BIAS
GEN

0.1µF

N.C.

0.6Vp-p

10

N.C.

9

INX

0.1µF

0.6Vp-p

ABSOLUTEMAXIMUM RATINGS

Symbol Parameter Value Unit

V

CC

T

stg

P

D

Supply Voltage 7.0 V
Storage Temperature - 65,+ 150
Allowable Power Dissipation 500 mW

OPERATING CONDITIONS

Symbol Parameter Value Unit

V

CC

T

opr

Supply Voltage 4.8 to 5.2 V
Operating Temperature - 20, + 75

1389-04.EPS

o

C

1389-02.TBL

o

C

1389-03.TBL

ELECTRICAL CHARACTERISTICS

Symbol Parameter

Bias Conditions

V INY V INX

V1 Pin Voltage INY - - - Pin 7

V2 Pin Voltage INX - - - PIn 9 - 2.9 - 2.7 - 2.5 V
A1-1 PIn Voltage 1A - - - Pin 32 - 3.1 - 2.7 - 2.5 V
B1-1 PinVoltage 1B - - - Pin 3 - 3.1 - 2.7 - 2.5 V
A2-1 PIn Voltage 2A - - - Pin 16 - 3.1 - 2.7 - 2.5 V
B2-1 PinVoltage 2B - - - Pin 3 - 3.1 - 2.7 - 2.5 V

SWONTest

Point

Test Min. Typ. Max. Unit

- 2.9 - 2.7 - 2.5 V

Test of pin voltage

1389-04.TBL

3/7