tea6845h-v2 NXP Semiconductors, tea6845h-v2 Datasheet - Page 16

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

Philips Semiconductors
2003 Feb 04
AM RF AGC
I
I
AM
Mixer inputs: pins AMMIX1IN1 and AMMIX1IN2
R
C
V
V
Mixer outputs: pins MIX1OUT1 and MIX1OUT2
R
C
V
I
Mixer
g
g
IP3
IP2
V
att
dec
bias
m(conv)
m(conv)(T)
SYMBOL
I
i(max)
o(max)(p-p)
i(n)(eq)
i
i
o
o
New In Car Entertainment (NICE) car radio
MIXER
1 (IF1 = 10.7 MH
PEAK DETECTOR
attack current AGC peak
detector
decay current AGC peak
detector
input resistance
input capacitance
DC input voltage
maximum voltage on
pin AMMIX1IN1
output resistance
output capacitance
maximum output voltage
(peak-to-peak value)
mixer bias current
conversion
transconductance
conversion
transconductance
variation with temperature
3rd-order intermodulation
2nd-order intermodulation R
equivalent input noise
voltage
-------------------------------------------------- -
V
-------------------------------- -
g
m(conv)
FMMIXIN1 FMMIXIN2
g
m(conv)
I
PARAMETER
MIXOUT1
–
T
Z
:
)
PIN
T2AMAGC
data byte 5: bit 5 = 1,
bit 6 = 1;
AM mixer 1 input V
V
V
data byte 5: bit 5 = 1,
bit 6 = 1;
AM mixer 1 input V
V
V
V
note 4
note 4
1 dB compression point of
AM mixer 1 output
(peak-to-peak)
note 5
note 5
AM mode
R
output pins)
output pins)
band limited noise;
R
(AC load between output pins)
T2AMAGC GND
AMIF2IN AMIF2DEC
T2AMAGC AMMIX1IN2
T2AMAGC GND
AMIF2IN AMIF2DEC
L
L
gen
= 2.8 k (AC load between
= 2.8 k (AC load between
= 750 ; R
CONDITIONS
16
= 3 V;
= 3 V;
L
= 2.8 k
= 0 V
= 0 V
i
i
= 1 V;
= 0 V;
= 0.25 V;
50
2.3
500
100
12
4.8
2.0
135
MIN.
2.6
70
5
2.7
5
15
6
2.55
138
170
5.8
3.15
9
TYP.
10
4
Product specification
100
7
3.1
7
7.2
3.2
TEA6845H
MAX.
mA
k
pF
V
mV
k
pF
V
mA
K
dB V
dB V
mA
-------- -
----------- -
UNIT
nV
A
V
Hz
1