TEA6843 查看數據表（PDF） - Philips Electronics

零件编号

产品描述 (功能)

生产厂家

TEA6843

New In Car Entertainment (NICE) extended car radio

Philips Electronics 

Philips Semiconductors

New In Car Entertainment (NICE)

extended car radio

Product specification

TEA6843HL

SYMBOL

PARAMETER

Power supply reference current generator: pin IREF

Vo(ref)

Ro

Io(max)

output reference voltage

output resistance

maximum output current

CONDITIONS MIN.

TYP. MAX. UNIT

4

4.25

8

11

−100 −

4.5

V

13

kΩ

+100 nA

11 AC CHARACTERISTICS

VMIX1OUT = VAMMIX2OUT = VDDA(n) = 8.5 V; VDDA5 = 5 V; VDDD = 5 V; Tamb = 25 °C; see Figs 14 and 15; unless otherwise

specified.

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP. MAX. UNIT

Voltage controlled oscillator

fosc

oscillator frequency

C/N

carrier-to-noise ratio fosc = 200 MHz; ∆f = 10 kHz;

B = 1 Hz

RR

ripple rejection ∆--f--fo--o-s--sc--c

fripple = 100 Hz;

VDDA4(ripple) = 100 mV (RMS)

fosc = 250 MHz

fosc = 200 MHz

Crystal oscillator: pins XTAL1, XTALGND and XTAL2

fosc

oscillator frequency

Ri

real part of input

VXTAL1 − VXTAL2 = 1 mV

impedance

Ci

Vo(osc)(rms)

input capacitance

oscillator output

voltage (RMS value)

C/N

carrier-to-noise ratio fosc = 20.5 MHz (10.25 MHz);

∆f = 10 kHz

151.2

−

90

92

−

−500

8

240

−

−

101

97

99

20.5

−

10

350

112

248.2

−

MHz

dBc

−

dB

−

dB

−

MHz

−

Ω

12

pF

500

mV

−

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

Hz

Oscillator divider N1

N1

oscillator divider ratio FM mode

standard, East Europe and −

2

−

local

weather band (WX)

−

1

−

Oscillator divider N2

N2

oscillator divider ratio AM mode

LW and MW

SW

−

10

−

−

5

−

Synthesizer

PROGRAMMABLE DIVIDER

Nprog

programmable divider

ratio

512

−

32 767

2003 Dec 19

12

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