June 1994

6

Philips Semiconductors

Product specification

Quasi-split sound processor for all standards

TDA3856

LIMITING VALUES

In accordance with the Absolute Maximum Rating System (IEC 134).

Note to the Limiting Values

1. Equivalent to discharging a 200 pF capacitor through a 0

Ω series resistor.

CHARACTERISTICS

10% residual carrier).

VC/SC2 = 20 dB. Sound carriers (SC1, SC2) modulated with f = 1 kHz and deviation

∆f = 50 kHz, unless otherwise

specified.

SYMBOL

PARAMETER

MIN.

MAX.

UNIT

supply voltage (pin 21)

−

8.8

V

voltage (pins 1, 2, 5, 8, 9, 15, 17, 19, 23 and 24)

0

V

total power dissipation

0

650

mW

storage temperature

−25

+150

°C

operating ambient temperature

0

+70

°C

electrostatic handling (note 1)

all pins except pins 1, 2, 23 and 24

±500

−

V

pins 1, 2, 23 and 24

+400

−

V

−500

−

V

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

supply voltage (pin 21)

4.5

5

8.8

V

supply current (pin 21)

48

60

72

mA

IF source control (pin 5)

input voltage in order to obtain standards

B/G (FM) with automatic muting

pin 5 connected

2.8

−

V

pin 5 open-circuit

−

2.8

−

V

B/G (FM) without muting

pin 5 connected or

alternative measure:

22 k

Ω to GND

1.3

−

2.3

V

L (AM sound)

pin 5 connected

0

−

0.8

V

input current

−−

100

µA

−−

−300

µA

IF input not activated (pins 1-2 or 23-24)

input resistance

−−

100

Ω

DC input voltage (pins 1, 2 or 23, 24)

LOW set internally

−−

0.1

V

α

12-13

crosstalk attenuation of IF input switch

note 1

50

56

−

dB

IF amplifier (pins 1-2 or 23-24)

input resistance

1.8

2.2

−

k

Ω

input capacitance

−

2.0

2.6

pF