Philips Semiconductors
In Car Entertainment (ICE) car radio
Preliminary specification
TEA6824T
SYMBOL
PARAMETER
CONDITIONS
Unweighted voltage level
V50-4
∆V50-4/∆V37-35
unweighted voltage level
slope of unweighted voltage level
see Fig.7; V38 = 2.52 V;
V37-35 ≤ 2.5 µV
V37-35 = 1.0 mV
100 µV ≤ V37-35(rms)
< 300 mV;
temperature
compensation off
temperature
compensation on
∆V50-4/(V50-4∆T) temperature dependence
V37-35 = 1 mV;
temperature
compensation off
temperature
compensation on
Isource(max)
maximum output source current
pin 50
Isink(max)
maximum output sink current
pin 50
Ro50
output resistance pin 50
ADJUSTMENT OF UNWEIGHTED VOLTAGE LEVEL AND Vmutaml; note 1
∆V50
adjusting range voltage pin 50
V37-35(rms) = 10 mV
V38-4
internal bias voltage
∆V50-4/∆V38-4 adjusting gain
Ri38
input resistance pin 38
Multi-path detector
fMP
multi-path detector band-pass
centre frequency
BMP
band-pass bandwidth
Reference voltage
Vo(21-4)
∆V21-4/(V21-4∆T)
Io21
output voltage
temperature dependence
output current pin 21
I21 = −1 mA
AM-IF path; see Fig.9 and notes 2 and 3
V22-23max(p-p)
maximum output voltage between
pins 22 and 23
(peak-to-peak value)
MIN. TYP. MAX. UNIT
1.6 2.2
2.7 3.4
3.0 V
4.7 V
0.75 0.9
0.6 0.75
1.05 V/20 dB
0.9 V/20 dB
−
5.0
−
2.0
0.3 −
−50 −
−
−
−1.8 −
−
2.6
−
−0.9
−
80
−
20
7
−
4.5 5.1
−
3.3
−
−
12 15
−
mV/VK
−
mV/VK
−
mA
−
µA
300 Ω
+1.8 V
−
V
−
−
kΩ
−
kHz
−
kHz
5.7 V
−
mV/VK
1
mA
−
V
1997 May 05
10