tea6845h-v2 NXP Semiconductors, tea6845h-v2 Datasheet - Page 24

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

Philips Semiconductors
Notes
1. Measured between pins XTAL1 and XTAL2.
2. DAA conversion gain formula:
3. Reference frequency pin FREF:
4. Input parameters of AM mixer 1 measured between pins AMMIX1IN1 and AMMIX1IN2.
5. Output parameters of FM mixer and AM mixer 1 measured between pins MIX1OUT1 and MIX1OUT2.
6. Input parameters of AM mixer 2 measured between pins IFAMP1IN and IFAMP1DEC.
7. Output parameters of AM mixer 2 measured between pins AMMIX2OUT1 and AMMIX2OUT2.
8. Input parameters of AM IF2 measured between pins AMIF2IN and AMIF2DEC.
9. Input parameters of FM mixer measured between pins FMMIXIN1 and FMMIXIN2.
10. Input parameters of IF amplifier 1 measured between pins IFAMP1IN and IFAMP1DEC.
11. Input parameters of IF amplifier 2 measured between pins IFAMP2IN and IFAMP2DEC.
12. Input parameters of FM limiter measured between pins FMLIMIN and FMLIMDEC.
2003 Feb 04
RDS update
Output: pin AFHOLD
I
Output: pin AFSAMPLE
I
Test mode; note 3
Temperature compensation diode: pin DAATD
V
Clock input: pin SCL
V
Time constant output: pin T1AMAGC
V
sink(max)
sink(max)
SYMBOL
i(ext)
i(ext)
pulse
New In Car Entertainment (NICE) car radio
where n = 0 to 127.
a) R
b) R
ext
ext
= 68 k connected to ground activates the 2nd I
= 100 k connected to V
maximum sink current
maximum sink current
external input voltage to
clock state machine
external input voltage to
clock DAA
enabling voltage of load
PLL signal
PARAMETER
V
DAAOUT
DDA1
sets the IC into test mode.
after first bus transmission
with AF = 1 (start of RDS
update); V
no RDS update in progress;
V
V
V
V
pin FREF in test mode
o
DAATD(L)
DAATD(H)
SCL(L)
=
= 0.5 V
2
= 0 V; V
CONDITIONS
= 2.5 V;
= 3.5 V
0.75
o
= 0.5 V
24
SCL(H)
--------- -
128
2
C-bus address
n
+
= 5 V
0.25
V
1.0
1.0
2.5
0
5.1
DAAIN
MIN.
+
V
DAATD
1.2
1.2
6
TYP.
–
V
Product specification
DAATD
1.4
1.4
3.5
5
6.9
TEA6845H
MAX.
mA
mA
V
V
V
UNIT