TEA6845AH Просмотр технического описания (PDF) - Philips Electronics
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TEA6845AH Datasheet PDF : 48 Pages
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Philips Semiconductors
New In Car Entertainment (NICE) car radio
Product specification
TEA6845AH; TEA6845H
SYMBOL
PARAMETER
CONDITIONS
MIN.
Vi(n)(eq)
F
equivalent input noise
voltage
band limited noise;
−
Rgen = 750 Ω; RL = 2.8 kΩ
(AC load between output pins)
noise figure of AM mixer 1
−
WEATHER BAND FLAG: PIN T1AMAGC
IL(max)
Vo(max)
Vo(min)
maximum load current
−5
maximum output voltage measured with respect to
0
for FM mode
pin RFGND
minimum output voltage measured with respect to
5.1
for WX mode
pin RFGND
AM MIXER 2 (IF2 = 450 KHZ)
Mixer inputs: pins IFAMP1IN and IFAMP1DEC
Ri
input resistance
note 6
270
Ci
input capacitance
note 6
−
VI
DC voltage
2.4
Vi(max)(p)
maximum input voltage 1 dB compression point of
1.1
(peak value)
AM mixer 2 output
(peak-to-peak)
Mixer outputs: pins AMMIX2OUT1 and AMMIXOUT2
R0
output resistance
note 7
100
Co
output capacitance
note 7
−
Vo(max)(p-p) maximum output voltage VDDA = 8.5 V
12
(peak-to-peak value)
Ibias
mixer bias current
AM mode
3.6
Mixer
gm(conv)
gm(conv)(T)
IP3
IP2
Vi(n)(eq)
conversion
1.3
transconductance
I--A--V-M---I-FM---A-I-X-M--2--P-O--1-U-I-N--T--1-
conversion
−
transconductance
variation with temperature
g----m-∆---(-gc---o-m-n---(v-c-)-o--×-n--v--∆-)--T--
3rd-order intermodulation RL = 4 kΩ (AC load between 134
output pins)
2nd-order intermodulation RL = 4 kΩ (AC load between −
output pins)
equivalent input noise
voltage
Rgen = 330 Ω; RL = 4 kΩ
−
(AC load between output pins)
F
noise figure of AM mixer 2
−
TYP.
5.8
MAX.
−
4.5
7.1
−
+5
−
0.5
6.0
6.9
330
390
5
7
2.7
3
−
−
−
−
5
7
15
−
4.5
5.4
1.6
1.9
−9 × 10−4 −
137
−
170
−
15
22
16
19.5
UNIT
---n---V-----
Hz
dB
µA
V
V
Ω
pF
V
V
kΩ
pF
V
mA
m---V---A--
K−1
dBµV
dBµV
---n---V-----
Hz
dB
2001 Apr 12
17
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