參數(shù)資料
型號: TEA6849H
廠商: NXP SEMICONDUCTORS
元件分類: 接收器
英文描述: New In Car Entertainment car radio tuner IC with Precision Adjacent Channel Suppression
中文描述: AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP80
封裝: 12 X 12 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-315-1, LQFP-80
文件頁數(shù): 13/65頁
文件大小: 405K
代理商: TEA6849H
2003 Dec 19
13
Philips Semiconductors
Product specification
New In Car Entertainment car radio tuner IC with
Precision Adjacent Channel Suppression (NICE-PACS)
TEA6849H
11 AC CHARACTERISTICS
V
DDA(n)
= V
MIX1OUT1
= V
MIX1OUT2
= V
AMMIX2OUT1
= V
AMMIX2OUT2
= 8.5 V; V
DDD
= V
DDA5
= 5 V; T
amb
= 25
°
C; tested in the
circuit of Figs 12 and 13; all AC values are given in RMS; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Voltage controlled oscillator
f
osc
C/N
oscillator frequency
carrier-to-noise ratio
162.9
97
248.2
MHz
f
osc
= 200 MHz;
f = 10 kHz
RR
ripple rejection
f
ripple
= 100 Hz;
V
DDA4(ripple)
= 100 mV (RMS);
f
osc
= 200 MHz
92
99
dB
Crystal oscillator
f
xtal
C/N
crystal frequency
carrier-to-noise ratio
20.5
112
MHz
f
xtal
= 20.5 MHz;
f = 10 kHz
C
IRCUIT INPUTS
:
PINS
XTAL1, XTALGND
AND
XTAL2
V
o(osc)(rms)
oscillator output voltage
(RMS value)
DC bias voltage
real part of input
impedance
input capacitance
note 1
80
100
160
mV
V
XTAL1
, V
XTAL2
R
i
1.7
250
2.1
2.5
V
V
XTAL1
V
XTAL2
= 1 mV; note 1
C
i
Synthesizer
note 1
8
10
12
pF
P
ROGRAMMABLE DIVIDER
N
prog
N
step
programmable divider ratio
programmable divider step
size
512
1
32767
C
HARGE PUMP
:
PIN
CPOUT
I
sink(cp1)l
low charge pump 1 sink
current
0.4 V < V
CPOUT
< 7.6 V;
data byte 3: bit 0 = 0, bit 1 = 1,
bit 2 = 1 for FM weather band;
f
VCO
> f
ref
×
divider ratio
0.4 V < V
CPOUT
< 7.6 V;
data byte 3: bit 0 = 0, bit 1 = 1,
bit 2 = 1 for FM weather band;
f
VCO
< f
ref
×
divider ratio
0.4 V < V
CPOUT
< 7.6 V;
data byte 3: bit 0 = 1, bit 1 = 1,
bit 2 = 1; AM stereo mode;
VCO divider = 10 (LW and MW);
f
VCO
> f
ref
×
divider ratio
300
μ
A
I
source(cp1)l
low charge pump 1 source
current
300
μ
A
I
sink(cp1)h
high charge pump 1 sink
current
1
mA
Hz
dBc
f
osc
--f
Hz
dBc
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