TEA6823 Просмотр технического описания (PDF) - Philips Electronics
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TEA6823 Datasheet PDF : 48 Pages
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Philips Semiconductors
In Car Entertainment (ICE) car radio
Preliminary specification
TEA6823T; TEA6825T
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP.
TIME CONSTANT FOR HIGH-CUT CONTROL VOLTAGE SDR; note 5
Ich
charge current
V37-35 = 3 mV;
−
pin 3 connected to GND
V37-35 = 3 mV;
−
pin 3 connected to pin 5
Idch
discharge current
V37-35 = 3 mV;
−
pin 3 connected to GND
V37-35 = 3 mV;
−
pin 3 connected to pin 5
m
high-cut control activated
V15 < 2 V; V37-35 = 3 mV;
by 20 kHz AM interference
RL15 > 50 MΩ;
fmod = 20 kHz
pin 3 connected to GND −
pin 3 connected to pin 5 −
∆f
high-cut control activated
V15 < 2 V; V37-35 = 3 mV;
by 60 kHz FM interference
RL15 > 50 MΩ;
fmod = 60 kHz
pin 3 connected to GND −
pin 3 connected to pin 5 −
0.6
41
−0.7
−44
45
45
50
50
MULTI-PATH DETECTOR
fMP
multi-path detector band-pass
centre frequency
BMP
band-pass bandwidth
Reference voltage
V21-4
∆V21-4
I21
output voltage
temperature dependence
output current
AM-IF path; see Fig.14 and notes 6 and 7
I21 = −1 mA
− 20
7.0 −
4.5 5.1
− 3.3
−−
V22-23 max(p-p)
I22, I23
I22IF2/V27-24IF1
R27-24
C27-24
R22-23
C22-23
IP3
maximum output voltage
(peak-to-peak value)
mixer bias current
mixer leakage current
conversion transconductance
input resistance
input capacitance
output resistance
output capacitance
third order intermodulation
in FM position
12 15
5.0 6.0
−−
2.2 2.7
300 330
−5
10.0 20.0
−5
− 137
MAX. UNIT
−
µA
−
µA
−
µA
−
µA
−
%
−
%
−
kHz
−
kHz
−
kHz
−
kHz
5.7 V
−
mV/VK
1
mA
−
V
7.0 mA
2
µA
3.4 mS
360 Ω
8
pF
−
kΩ
10 pF
−
dBµV
1998 Mar 24
12
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