參數(shù)資料
型號(hào): 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): 25/65頁
文件大小: 405K
代理商: TEA6849H
2003 Dec 19
25
Philips Semiconductors
Product specification
New In Car Entertainment car radio tuner IC with
Precision Adjacent Channel Suppression (NICE-PACS)
TEA6849H
V
o(rms)
FM MPX output voltage
(RMS value)
f = 22.5 kHz; f
mod
= 1 kHz;
V
FMMIX2IN
= 20
μ
V to 1 V
f = 1.5 kHz; f
mod
= 1 kHz;
V
FMMIX2IN
= 20
μ
V to 1 V;
weather band mode
205
230
255
mV
150
230
310
mV
I
o(max)
maximum FM MPX output
current
bandwidth FM MPX output
power supply ripple
rejection
load resistance
output resistance
load capacitance
AM to FM switching time
100
μ
A
B
PSRR
C
L
= 0; R
L
> 20 k
f
ripple
= 100 Hz to 20 kHz
200
40
kHz
dB
R
L
R
o
C
L
t
sw
MPX mute
α
mute
V
offset(DC)
20
100
500
50
150
k
pF
ms
V
FMMIX2IN
= 100
μ
V
muting depth
DC offset during RDS
update mute pin FMMPX
V = V
muted
V
notmuted
data byte 2: bit 7 = 1 (mute)
60
30
80
+30
dB
mV
RDS update: pin TRDSMUTE
V
TRDSMUTE
voltage at pin TRDSMUTE
no mute
mute
V
o
= 3 V; data byte 2: bit 7 = 1
V
o
= 3 V; data byte 2: bit 7 = 0
5.2
0.7
24
38
5.7
1.2
32
32
6.2
1.7
38
24
V
V
μ
A
μ
A
I
dch
I
ch
FM MPX
SOFT MUTE
:
PIN
IF2FILQ; note 3
discharge current
charge current
V
mute
V
offset
mute voltage
voltage offset
(to V
level(AMFM)
)
discharge current
charge current
mute attenuation
V
FMMIX2IN
= 0 to 1 V
V
FMMIX2IN
= 0 to 100
μ
V
0
200
3
+200
V
mV
I
dch
I
ch
α
mute
V
level(AMFM)
< V
i
V
level(AMFM)
> V
i
V
FMMIX2IN
= 10 mV; V
i
= 400 mV;
data byte 7 = X1000100
V
FMMIX2IN
= 10 mV; V
i
= 400 mV
data byte 7 = X1001100
data byte 7 = X1010100
data byte 7 = X1011100
data byte 7 = X1100100
data byte 7 = X1101100
data byte 7 = X1110100
data byte 7 = X1111100
V
FMMIX2IN
= 10 mV; V
i
= 400 mV;
data byte 7 = X0111100
2.5
4.5
3.5
3.5
7.5
4.5
2.5
μ
A
μ
A
dB
α
mute
difference to mute
attenuation from step to
step
1
0.9
2.5
3.4
8.7
4.4
8.5
5.5
0
+1
dB
dB
dB
dB
dB
dB
dB
dB
α
mute(off)
mute off
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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