tea6845h-v2 NXP Semiconductors, tea6845h-v2 Datasheet - Page 19

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

Philips Semiconductors
2003 Feb 04
C
AM IF2
V
V
B
R
RR
AM
Threshold: pin AMNBHOLD
V
t
f
Noise detector output: pin TRDSMUTE
I
V
FM signal channel
FM RF AGC
Inputs: pins FMMIXIN1 and FMMIXIN2; note 9
V
sup
trigger
sink(AGC)
SYMBOL
V
V
level
level(slope)
level
O
AGC
i(RF)(rms)
o
o
New In Car Entertainment (NICE) car radio
level
step
NOISE BLANKER
LEVEL DETECTOR OUTPUT
output capacitance
DC output voltage
step size for adjustment of
level starting point
slope of level voltage
step size for adjustment of
level slope
bandwidth of level output
voltage
output resistance
ripple rejection
DC output voltage
suppression time
trigger sensitivity
frequency
AM noise blanker AGC
sink current
AM noise blanker AGC
voltage
RF input voltage for start
of wide-band AGC
(RMS value)
; see Fig.4
PARAMETER
:
PIN
V
level
; see Fig.3
AM mono
V
V
level DAA and level slope
V
of level DAA
standard setting of level slope 30
standard setting of level slope 650
V
V
f
V
V
V
V
V
V
V
AM mixer 1 input V
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
ripple
i
i
i
i
DDA1(ripple)
pulse
level
pulse
level
pulse
level
TRDSMUTE
= 10 V to 1 V
< 1 V; standard setting of
= 1.4 mV; standard setting
=1.4 mV
= 100 Hz
< 1.8 V
> 2.2 V
< 1.8 V
= 200 mV (peak);
= 200 mV (peak);
= 20 mV (peak);
CONDITIONS
= 3 V
= 100 mV (RMS);
19
i
= 0 V
0
0.1
1.6
45
200
4.3
6
35
1.9
MIN.
5
0.5
2.2
40
800
60
300
40
4.6
7.5
1000
50
2.2
4
8
12
16
TYP.
Product specification
7
7
0.9
2.8
50
950
75
500
5.1
10
100
100
65
2.5
TEA6845H
MAX.
pF
V
V
V
mV
kHz
dB
V
Hz
Hz
Hz
V
mV
mV
mV
mV
-------------- -
20 dB
-------------- -
20 dB
UNIT
s
A
mV
mV