tea6845h-v2 NXP Semiconductors, tea6845h-v2 Datasheet - Page 15

• Manufacturer Part Number: tea6845h-v2
• Description: New In Car Entertainment Nice Car Radio
• Manufacturer: NXP Semiconductors

Philips Semiconductors
2003 Feb 04
DAA
I
TC
IF counter (FM IF or AM IF2 counter)
N
T
R
Reference frequency for car sound processor IC; note 3
R
N
f
V
V
V
R
R
AM signal channel
AM RF AGC
V
AM IF AGC
V
AM RF AGC
I
R
C
source
ref
sink(max)
SYMBOL
count(IF)
OLTAGE GENERATOR
o(p-p)
O
i(p)
i(p)
IF
precount
EFERENCE FREQUENCY DIVIDER
ref
o
L(min)
o
o
New In Car Entertainment (NICE) car radio
source
TEMPERATURE COMPENSATION
STAGE INPUTS
STAGE INPUTS
CURRENT GENERATOR OUTPUT
compensation diode
source current
temperature coefficient of
compensation diode
source current
IF counter length for
AM and FM
IF counter period
FM IF counter prescaler
ratio
crystal oscillator divider
ratio
reference frequency
AC output voltage
(peak-to-peak value)
DC output voltage
output resistance
minimum load resistance
RF input voltage for AGC
start level (peak value)
IF2 input voltage (peak
value)
maximum AGC sink
current
output resistance
output capacitance
;
PARAMETER
PIN
FREF
:
:
PINS
PINS
AMIF2IN
AMMIX1IN1
:
PIN
DAATD
AND
:
0.2 V < V
0.2 V < V
T
data byte 4: bit 7 = 1
data byte 4: bit 7 = 0
data byte 4: bit 3 = 1
data byte 4: bit 3 = 0
f
data byte 5: bit 5 = 0, bit 6 = 0
data byte 5: bit 5 = 1, bit 6 = 0
data byte 5: bit 5 = 0, bit 6 = 1
data byte 5: bit 5 = 1, bit 6 = 1
AGC start level
V
(peak value)
I
xtal
PIN
IAMAGC
amb
AMMIX1IN1
AND
AMIF2DEC
= 20.5 MHz
IAMAGC
= 40 to +85 C
AMMIX1IN2
= 1 A
CONDITIONS
DAATD
DAATD
> 500 mV
15
< 1.5 V
< 1.5 V;
60
3.2
1
0.20
1
50
300
MIN.
8
2
20
10
100
272
75.368
100
3.4
150
275
400
525
0.27
15
5
40
TYP.
Product specification
+300
170
3.9
50
0.35
7
TEA6845H
30
MAX.
bit
ms
ms
kHz
mV
V
k
M
mV
mV
mV
mV
V
mA
M
pF
10
-----------
UNIT
A
K
–
6