tea6845h-v2 NXP Semiconductors, tea6845h-v2 Datasheet - Page 14

• Manufacturer Part Number: tea6845h-v2
• Description: New In Car Entertainment Nice Car Radio
• Manufacturer: NXP Semiconductors

Philips Semiconductors
2003 Feb 04
Antenna Digital Auto Alignment (DAA)
DAA
I
V
DAA
V
V
V
I
I
t
RR
C
bias(cp)
o(sink)
o(source)
st
SYMBOL
V
V
i(cp)
o(AM)
o(FM)
o(n)
L
New In Car Entertainment (NICE) car radio
o(T)
o(step)
INPUT
OUTPUT
:
PIN
:
PIN
charge pump buffer input
bias current
charge pump buffer input
voltage
DAA output voltage in
AM mode
DAA output voltage in
FM mode
DAA output noise voltage
DAA output voltage
variation with temperature
DAA step accuracy
DAA output sink current
DAA output source current
DAA output settling time
ripple rejection
DAA output load
capacitance
DAAIN
DAAOUT; note 2
PARAMETER
FM mode;
0.4 V < V
AM mode;
0 V < V
V
V
V
V
set to logic 1
V
FM mode; V
data byte 3: bit 6 = 1,
bits 5 to 0 = 0;
B = 300 Hz to 15 kHz
T
data byte 3 = 10101011;
V
FM mode; V
n = 0 to 127
0.2 V < V
0.2 V < V
C
f
V
ripple
amb
DAAIN
DAATD
DAAIN
DAATD
DAAIN
DAATD
DAAOUT
L
minimum value
bits DAA[6:0] set to logic 0
value: data
byte 3 = 10101011
maximum value;
bits DAA[6:0] set to logic 1
data byte 3 = 11010101
data byte 3 = 10101010
= 270 pF
= 40 to +85 C;
= 100 Hz; V
= 4.0 V;
= 3.0 V;
= 2 V
DAAIN
= 0.7 V
= 0.7 V; bits DAA[6:0]
= 0.7 V
CONDITIONS
< 8.0 V; FM mode
DAAIN
DAAOUT
DAAOUT
DAAIN
DAAOUT
< 8.5 V
14
< 8.0 V
< 8.25 V
< 8.25 V;
DDA4
= 4 V;
< 8.0 V;
= 1 mV
0
1.5
3.8
8
6.2
3
1.8
0.5V
50
10
10
8
MIN.
LSB
1.65
4
6.5
3.3
2
30
V
50
LSB
TYP.
Product specification
+10
+10
8.5
0.3
0.5
1.8
4.2
8.5
6.8
3.6
2.2
100
+8
1.5V
30
270
TEA6845H
50
MAX.
LSB
nA
nA
V
V
V
V
V
V
V
V
V
mV
mV
dB
pF
UNIT
V
A
A
s