TEA6845AH Ver la hoja de datos (PDF) - Philips Electronics

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TEA6845AH

New In Car Entertainment (NICE) car radio

Philips Electronics 

Philips Semiconductors

New In Car Entertainment (NICE) car radio

Product specification

TEA6845AH; TEA6845H

SYMBOL

PARAMETER

CONDITIONS

MIN.

CHARGE PUMP: PIN Vtune

Isink(cp3)

charge pump 3 peak sink

current

Isource(cp3)

charge pump 3 peak

source current

IZ(cp3)

charge pump 3 current in

3-state

FM standard mode;

0.4 V < Vtune < 7.6 V

FM standard mode;

0.4 V < Vtune < 7.6 V

0 < Vtune < 8.5 V

2.1

−3.9

−5

Antenna Digital Auto Alignment (DAA)

DAA INPUT: PIN DAAIN

Ibias(cp)

charge pump buffer input FM mode;

−10

bias current

0.4 V < VDAAIN < 8.0 V

AM mode;

−10

0 V < VDAAIN < 8.5 V

Vi(cp)

charge pump buffer input

0

voltage

DAA OUTPUT: PIN DAAOUT; note 2

Vo(AM)

DAA output voltage in

AM mode

Vo(FM)

DAA output voltage in

FM mode

VDAAIN = 4.0 V;

VDAATD = 0.7 V

minimum value

bits DAA[6:0] set to logic 0

value: data

byte 3 = 10101011

maximum value;

bits DAA[6:0] set to logic 1

VDAAIN = 3.0 V;

VDAATD = 0.7 V; bits DAA[6:0]

set to logic 1

VDAAIN = 2 V

data byte 3 = 11010101

data byte 3 = 10101010

Vo(n)

DAA output noise voltage

FM mode; VDAAIN = 4 V;

data byte 3: bit 6 = 1,

bits 5 to 0 = 0;

B = 300 Hz to 15 kHz

∆Vo (T)

∆Vo (step)

DAA output voltage

variation with temperature

DAA step accuracy

Tamb = −40 to +85 °C;

data byte 3 = 10101011;

VDAATD = 0.7 V

FM mode; VDAAOUT < 8.0 V;

n = 0 to 127

Io(sink)

Io(source)

DAA output sink current 0.2 V < VDAAOUT < 8.25 V

DAA output source current

−

−

1.5

3.8

8

6.2

3

1.8

−

−8

0.5VLSB

50

−

TYP.

3

−3

−

−

−

−

−

−

1.65

4

−

6.5

3.3

2

30

−

VLSB

−

−

MAX.

3.9

−2.1

+5

+10

+10

8.5

0.3

0.5

1.8

4.2

8.5

6.8

3.6

2.2

100

+8

1.5VLSB

−

−50

UNIT

mA

mA

nA

nA

nA

V

V

V

V

V

V

V

V

V

µV

mV

mV

µA

µA

2001 Apr 12

14

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