Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
TEA6845AH; TEA6845H
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
CHARGE PUMP: PIN Vtune
Isink(cp3)
Isource(cp3)
IZ(cp3)
charge pump 3 peak sink FM standard mode;
2.1
3
3.9
mA
current
0.4 V < Vtune < 7.6 V
charge pump 3 peak
source current
FM standard mode;
0.4 V < Vtune < 7.6 V
−3.9
−5
−3
−
−2.1
mA
nA
charge pump 3 current in 0 < Vtune < 8.5 V
3-state
+5
Antenna Digital Auto Alignment (DAA)
DAA INPUT: PIN DAAIN
Ibias(cp)
charge pump buffer input FM mode;
−10
−10
0
−
−
−
+10
+10
8.5
nA
nA
V
bias current
0.4 V < VDAAIN < 8.0 V
AM mode;
0 V < VDAAIN < 8.5 V
Vi(cp)
charge pump buffer input
voltage
DAA OUTPUT: PIN DAAOUT; note 2
Vo(AM)
DAA output voltage in
AM mode
−
−
0.3
V
Vo(FM)
DAA output voltage in
FM mode
VDAAIN = 4.0 V;
VDAATD = 0.7 V
minimum value
−
−
0.5
1.8
4.2
V
V
V
bits DAA[6:0] set to logic 0 1.5
1.65
4
value: data
3.8
byte 3 = 10101011
maximum value;
bits DAA[6:0] set to logic 1
8
−
8.5
6.8
V
V
VDAAIN = 3.0 V;
6.2
6.5
VDAATD = 0.7 V; bits DAA[6:0]
set to logic 1
VDAAIN = 2 V
data byte 3 = 11010101
data byte 3 = 10101010
3
3.3
2
3.6
2.2
100
V
1.8
−
V
Vo(n)
DAA output noise voltage FM mode; VDAAIN = 4 V;
data byte 3: bit 6 = 1,
30
µV
bits 5 to 0 = 0;
B = 300 Hz to 15 kHz
∆Vo (T)
DAA output voltage
variation with temperature data byte 3 = 10101011;
VDAATD = 0.7 V
Tamb = −40 to +85 °C;
−8
−
+8
mV
mV
∆Vo (step)
DAA step accuracy
FM mode; VDAAOUT < 8.0 V;
n = 0 to 127
0.5VLSB
VLSB
1.5VLSB
Io(sink)
DAA output sink current
0.2 V < VDAAOUT < 8.25 V
50
−
−
−
µA
µA
Io(source)
DAA output source current
−
−50
2001 Apr 12
14
NXP [ NXP ]
