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TDA1575

FM front end circuit for CENELEC EN 55020 applications

Philips Electronics 

Philips Semiconductors

FM front end circuit for

CENELEC EN 55020 applications

Preliminary specification

TDA1575T

PINNING

SYMBOL

MIXI1

MIXI2

AGCI

GND

VREF

OSCO

OSCI1

OSCI2

LO

IFO

IFI1

IFI2

VP

MIXO1

MIXO2

AGCO

PIN

DESCRIPTION

1 RF input 1 to mixer

2 RF input 2 to mixer

3 HF input to automatic gain control

4 ground (0 V)

5 reference voltage output

6 oscillator output

7 oscillator input 1

8 oscillator input 2

9 buffered oscillator output

10 linear FM IF output

11 FM IF input 1

12 FM IF input 2

13 supply voltage (+8.5 V)

14 mixer output 1

15 mixer output 2

16 automatic gain control output

Fig.2 Pin configuration.

LIMITING VALUES

Limiting values in accordance with the Absolute Maximum System (IEC 134).

SYMBOL

VP

V14, 15

Ptot

Tstg

Tamb

VESD

PARAMETER

supply voltage (pin 13)

voltage at mixer output

total power dissipation

storage temperature range

operating ambient temperature range

electrostatic handling (see note 1)

all pins except 3 and 10

pin 3

pin 10

MIN.

0

0

0

−55

−40

−

−

−

−

−

Note to the limiting values

1. Equivalent to discharging a 100 pF capacitor through a 1.5 kΩ series resistor.

MAX.

12

VP

380

+150

+85

UNIT

V

V

mW

°C

°C

±2000

V

+2000

V

−1000

V

+1500

V

−2000

V

April 1993

4

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