TEA6840 Ver la hoja de datos (PDF) - Philips Electronics
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TEA6840 Datasheet PDF : 44 Pages
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Philips Semiconductors
New In Car Entertainment (NICE) car radio
Preliminary specification
TEA6840H
SYMBOL
Vo(DAA)
Vo(n)(DAA)
GCONV(DAA)
∆T
V21n − V21(n+1)
Isink(DAA)
Isource(DAA)
Isource(cd)
TCcd(source)
tst
RR
CL(DAA)
PARAMETER
CONDITIONS
MIN.
TYP.
DAA output voltage
(pin 21)
AM mode
−
data byte 3 bits 0 to 6 set to 1.5
logic 0; VDAAIN = 4.0 V;
VDAATD = 0.7 V; note 1
VDAAIN = 4 V; data
3.8
byte 3 = 10101011; FM mode
−
1.65
4
DAA output noise
VDAAIN = 4 V; data byte 3
−
30
voltage (pin 21)
bit 6 = 1 and bits 5 to 0 = 0;
B = 300 Hz to 15 kHz;
FM mode
DAA conversion gain
VDAAOUT = 0.2 to 8.25 V;
6.2
6.5
(pin 21)
data byte 3 bits 0 to 6 set to
logic 1; VDAAIN = 3.0 V;
VDAATD = 0.7 V; note 1
VDAAIN = 2 V; data
3
3.3
byte 3 = 11010101; FM mode
VDAAIN = 2 V; data
1.8
2
byte 3 = 10101010; FM mode
temperature drift (pin 21) Tamb = −40 to +85 °C;
data byte 3 = 10101011;
VDAATD = 0.7 V
DAA step accuracy
n = 0 to 127;
(pin 21)
VDAAOUT < 8.0 V; FM mode
DAA output sink current VDAAOUT = 0.2 to 8.25 V
(pin 21)
−8
−
0.5VLSB VLSB
50
−
DAA output source
current (pin 21)
VDAAOUT = 0.2 to 8.25 V
−50
−
compensation diode
VDAATD = 0.2 to 1.5 V
source current (pin 20)
−50
−40
temperature coefficient
compensation diode
source current (pin 20)
VDAATD = 0.2 to 1.5 V;
Tamb = −40 to +85 °C
−300 −
DAA output settling time VDAAOUT = 0.2 to 8.25 V;
−
−
CL = 270 pF
ripple rejection
fripple = 100 Hz; VDDA4 = 1 mV −
50
DAA output load
VDDAOUT < 8.0 V; FM mode −
−
capacitance (pin 21)
MAX.
0.3
1.8
UNIT
V
V
4.2
V
100
µV
6.8
V
3.6
V
2.2
V
+8
mV
1.5VLSB mV
−
µA
−
µA
−30
µA
+300
30
1----0--K-–---1--2-
µs
−
dB
270
pF
1999 Jul 12
15
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