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參數(shù)資料
| 型號(hào)： | TA2154AFN |
| 廠商： | Toshiba Corporation |
| 英文描述： | 1.5 V 1 Chip Tuner IC (for Digital Tuning System) |
| 中文描述： | 1.5伏特1芯片調(diào)諧器IC（數(shù)字調(diào)諧系統(tǒng)） |
| 文件頁(yè)數(shù)： | 8/13頁(yè) |
| 文件大?。?/td> | 171K |
| 代理商： | TA2154AFN |
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TA2154AFN
2002-10-21
8
Maximum Ratings
(Ta 25°C)
Characteristics
Symbol
Rating
Unit
Supply voltage
V
CC
4.5
V
Power dissipation
P
D
(Note 2)
550
mW
Operating temperature
T
opr
10~60
°C
Storage temperature
T
stg
55~150
°C
Note 2: Derated above Ta 25°C in the proportion of 4.4 mW/°C.
Electrical Characteristics
Unless otherwise specified
: V
CC
1.2 V, Ta 25°C, FM F/E: f 98 MHz, f
m
1 kHz, f 75 kHz, V
in
60dB V EMF
FM IF: f 10.7 MHz, f
m
1 kHz, f 75 kHz, V
in
80dB V EMF
AM:
f 1000 kHz, f
m
1 kHz, MOD 30%, V
in
60dB V EMF
MPX: f
m
1 kHz, f
p
19 kHz
Characteristics
Symbol
Test
Circuit
Test Condition
Min
Typ.
Max
Unit
I
CC1
PW SW off
20
A
I
CC2
AM mode, V
in
0
5.0
7
I
CC3
FM mode, V
in
0
13.0
17
Supply current
I
CC4
TV mode, V
in
0
13.5
17
mA
Input limiting voltage
V
in (lim)
Point where detection output is
3dB with Vin 60dB V EMF
as reference
12
dB V
EMF
FM
F/E
Local OSC buffer output
voltage
V
osc
(Buff) FM
f
osc
6.79375 MHz
(217.4 MHz divided by 32)
150
200
mVp-p
Input limiting voltage
V
in (lim)
Point where detection output is
3dB with V
in
60dB V EMF
as reference
14
dB V
EMF
TV
F/E
Local oscillator buffer output
V
osc
(Buff) TV
f
osc
26.3375 MHz
(210.7 MHz divided by 8)
150
200
mVp-p
Input limiting voltage
V
in (lim)
Point where detection output is
3dB with V
in
80dB V EMF
as reference
37
42
47
dB V
EMF
Recovered output voltage
V
OD (FM)
115
140
180
mVrms
Signal to noise ratio 1
S/N (FM)
73
dB
Total harmonic distortion 1
THD (FM)
0.2
%
AM rejection ration
AMR (FM)
MOD 30%
62
dB
IF count output voltage
V
IF (FM)
150
190
mVp-p
FM
IF
IF count sensitivity
IF
SENS (FM)
R
SEN
3.3 k
48
53
58
dB V
EMF
Gain
G
v
V
in
32dB V EMF
19
29
51
mVrms
Recovered output voltage
V
OD (AM)
27
40
54
mVrms
Signal to noise ratio 2
S/N (AM)
37
dB
Total harmonic distortion 2
THD (AM)
13
%
Local OSC buffer output
voltage
V
osc
(Buff) AM
f
osc
14.5 MHz
130
180
mVp-p
IF count output voltage
V
IF (AM)
140
180
mVp-p
AM
IF count sensitivity
IF
SENS (AM)
R
SEN
3.3 k
27
32
37
dB V
EMF
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