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TEA6840

New In Car Entertainment (NICE) car radio

Philips Electronics 

Philips Semiconductors

New In Car Entertainment (NICE) car radio

Preliminary specification

TEA6840H

AC CHARACTERISTICS

VDDA1 = 8.5 V; VDDA2 = 5 V; VDDD = 5 V; Tamb = 25 °C; see Figs 8 and 9; unless otherwise specified.

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX. UNIT

Voltage controlled oscillator

fosc

V11

V10

V10(rms)

C/N

oscillator frequency

input bias voltage

DC output voltage

AC output voltage

(RMS value)

carrier-to-noise ratio

fosc = 200 MHz

151.2 −

2.2

2.8

5

6.1

−

1.5

fosc = 200 MHz; ∆f = 10 kHz −

101

248.2

3.4

7.2

−

MHz

V

V

V

−

-d----B----c--

Hz

RR

ripple rejection

fripple = 100 Hz;

−

97

VDDA3(ripple) = 100 mV (RMS);

fosc = 250 MHz

fripple = 100 Hz;

−

99

VDDA3(ripple) = 100 mV (RMS);

fosc = 200 MHz

Crystal oscillator; pins 55, 56 and 57

−

dB

−

dB

fosc

Vbias(XTAL)

R55-57

C55-57

RXTAL

CXTAL

VXTAL(rms)

C/N

standard frequency

DC bias voltage

(pins 55 and 57)

real part of input

impedance

(pins 55 to 57)

input capacitance

(pins 55 to 57)

crystal motional

resistance

crystal shunt

capacitance

crystal voltage

(pins 55 to 57)

(RMS value)

carrier-to-noise ratio

V55-57 = 1 mV

20.4996 20.5

1.7

2.1

−500 −

start of operation

8

10

−

−

−

−

−

350

fosc = 20.5 MHz (10.25 MHz); −

112

∆f = 10 kHz

20.5004 MHz

2.5

V

−

Ω

12

pF

500

Ω

18

pF

−

mV

−

-d----B----c--

Hz

I56

start-up current

V55 = V57 = 2.1 V

−

9

−

mA

operating current

V55 − V57 = ±400 mV

−

1.5

−

mA

1999 Jul 12

12

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