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TZA3019AV

2.5 Gbits/s dual postamplifier with level detectors and 2 × 2 switch

Philips Electronics 

Philips Semiconductors

2.5 Gbits/s dual postamplifier with level

detectors and 2 × 2 switch

Preliminary specification

TZA3019

PINNING

PIN

SYMBOL TZA3019xHT/xV(1) PAD TYPE(2)

DESCRIPTION

ABC

GND1A

1

1

1

1

IN1

2

2

2

2

IN1Q

3

3

3

3

GND1A

4

4

4

4

n.c

−

−

−

5

n.c

−

−

−

6

GND2A

5

5

5

7

IN2

6

6

6

8

IN2Q

7

7

7

9

GND2A

8

8

8 10

VEE2A

9

9

9 11

LOSTH1 10 10 10 12

LOSTH2 11 11 11 13

n.c

−

−

− 14

LEVEL1 12 12 12 15

LEVEL2 13 13 13 16

Vref

n.c

TEST

VEE2B

GND2B

OUT2Q

14 14 14 17

−

−

− 18

15 15 15 19

16 16 16 20

17 17 17 21

18 18 18 22

S ground for input 1 and LOS1 circuits

I differential circuit 1 input; complimentary to pin IN1Q; DC bias level

is set internally at approximately −0.33 V

I differential circuit 1 input; complimentary to pin IN1; DC bias level is

set internally at approximately −0.33 V

S ground for input 1 and LOS1 circuits

− not connected

− not connected

S ground for input 2 and LOS2 circuits

I differential circuit 2 input; complimentary to pin IN2Q; DC bias level

is set internally at approximately −0.33 V

I differential circuit 2 input; complimentary to pin IN2; DC bias level is

set internally at approximately −0.33 V

S ground for input 2 and LOS2 circuits

S negative supply voltage for input 2 and LOS2 circuits

I Input for level detector programming of input 1 circuit; threshold

level is set by connecting external resistors between pins

GND1A and Vref. When forced to VEE2A or not connected, the

LOS1 circuit will be switched off.

I Input for level detector programming of input 2 circuit; threshold

level is set by connecting external resistors between pins

GND2A and Vref. When forced to VEE2A or not connected, the

LOS2 circuit will be switched off.

− not connected

I Input for programming output level of output 1 circuit; output level is

set by connecting external resistors between pins GND1A and Vref.

When forced to GND1A or not connected, pins OUT1 and OUT1Q

will be switched off.

I Input for programming output level of output 2 circuit; output level is

set by connecting external resistors between pins GND2A and Vref.

When forced to GND2A or not connected, pins OUT2 and OUT2Q

will be switched off.

O reference voltage for level circuit and LOS threshold programming;

typical value is −1.6 V; no external capacitor allowed

−

I for test purposes only; to be left open-circuit in the application

S negative supply voltage for output 2 circuit

S ground for output 2 circuit

O PECL or CML compatible differential circuit 2 output;

complimentary to pin OUT2

2000 Apr 10

6

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