TEA6845AH Просмотр технического описания (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.

AGC peak detector output: pin T1FMAGC

Ich

charge current

Idis

discharge current

PIN diode drive output: pin IFMAGC

Idrive

drive current

Vo = 0.5 to 4.0 V

Level voltage output: pin Vlevel

Vth

threshold voltage for

narrow-band AGC

data byte 5: bit 7 = 1;

standard setting of level DAA

−350

15

8

500

FM RF MIXER

Reference voltage: pin Vref(FMMIX)

Vref

reference voltage

FM mode

6.5

AM mode

2.7

Inputs: pins FMMIXIN1 and FMMIXIN2; note 9

Vi(RF)(max)

maximum RF input

voltage

1 dB compression point of 70

FM mixer output voltage

(peak-to-peak value)

Vi(n)(eq)

equivalent input noise

voltage

Rgen = 600 Ω; RL = 2.8 kΩ; −

noise of Rgen not included

Ri

input resistance

−

Ci

input capacitance

−

Outputs: pins MIX1OUT1 and MIX1OUT2; note 5

Ro

output resistance

100

Co

output capacitance

−

Ibias

mixer bias current

FM mode

4.8

Vo(max)(p-p) maximum output voltage

3

(peak-to-peak value)

FM mixer

gm(conv)

conversion

8.5

transconductance

gm(conv)(T) conversion

−

transconductance

variation with temperature

F

noise figure

−

IP3

3rd-order intermodulation

116

IRR

image rejection ratio

25

IF AMPLIFIER 1

G

gain

F

noise figure

IP3

3rd-order intermodulation

RL = 330 Ω; Vi = 1 mV;

note 10

13.5

−

117

TYP.

MAX.

−600

25

−850

35

11.5

15

950

1 400

7.1

7.9

3.1

3.4

100

−

2.6

3.1

1.4

−

5

7

−

−

5

7

6

7.2

−

−

12.5

18

−1 × 10−3 −

3

4.6

119

−

30

−

15.5

17.5

10

13

120

−

UNIT

µA

µA

mA

mV

V

V

mV

---n---V-----

Hz

kΩ

pF

kΩ

pF

mA

V

m---V---A--

K−1

dB

dBµV

dB

dB

dB

dBµV

2001 Apr 12

20

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