TEA6843 PHILIPS [NXP Semiconductors], TEA6843 Datasheet - Page 15

• Manufacturer Part Number: TEA6843
• Description: New In Car Entertainment (NICE) extended car radio
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
2003 Dec 19
DAA
I
TC
IF counter (FM IF1 or AM IF2 counter)
N
T
R
V
N
V
N
Reference frequency for car signal processor IC; note 2
R
N
f
V
V
V
R
source
ref
count(IF)
FMLIMIN(sens)(rms)
AMIF2IN(sens)(rms)
OLTAGE GENERATOR
o(p-p)
O
IF
precount
EFERENCE FREQUENCY DIVIDER
ref
o
New In Car Entertainment (NICE)
extended car radio
source
SYMBOL
TEMPERATURE COMPENSATION
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
FM sensitivity voltage
(RMS value)
counter result
(decimal)
AM sensitivity voltage
(RMS value)
counter result
(decimal)
crystal oscillator
divider ratio
reference frequency at
pin FREF
AC output voltage
(peak-to-peak value)
DC output voltage
output resistance
:
PIN
PARAMETER
FREF
:
PIN
DAATD
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
FM mode
period = 2 ms; f
V
period = 20 ms; f
V
AM mode; m = 0
period = 2 ms; f
V
period = 20 ms; f
V
f
R
osc
amb
DAATD
DAATD
FMLIMIN
FMLIMIN
AMIF2IN
AMIF2IN
L
prescaler ratio = 10
prescaler ratio = 100
prescaler ratio = 10
prescaler ratio = 100
=
= 20.5 MHz
= 40 to +85 C
= 0.2 to 1.2 V
= 0.2 to 1.2 V;
= 200 V (RMS)
= 200 V (RMS)
CONDITIONS
= 100 V (RMS)
= 100 V (RMS)
15
IF1
IF2
IF1
IF2
= 10.7 MHz;
= 450 kHz;
= 10.7 MHz;
= 450 kHz;
80
3.2
50
300
MIN.
8
2
20
10
100
30
92
214
152
92
50
133
40
272
75.368
130
3.4
40
TYP.
TEA6843HL
Product specification
+300
100
100
200
3.7
50
30
MAX.
bit
ms
ms
kHz
mV
V
k
10
-----------
UNIT
A
V
V
K
–
6