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參數(shù)資料
| 型號： | TDA7512 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | AM/FM CAR RADIO TUNER IC WITH INTELLIGENT SELECTIVITY SYSTEM ISS |
| 中文描述： | 調(diào)幅/調(diào)頻收音機調(diào)諧器集成電路汽車智能識別系統(tǒng)與國際空間站 |
| 文件頁數(shù)： | 10/42頁 |
| 文件大?。?/td> | 761K |
| 代理商： | TDA7512 |
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TDA7512
10/42
ISS (intelligent Selectivity System)
Filter 450kHz
f
centre
Centre frequency
f
REF_intern
= 450kHz
450
kHz
BW 3dB
Bandwidth, -3dB
ISS80 = 1
80
kHz
BW
20dB
Bandwidth, -20dB
ISS80 = 1
150
kHz
BW 3dB
Bandwidth, -3dB
ISS80 = 0
120
kHz
BW
20dB
Bandwidth, -20dB
ISS80 = 0
250
kHz
BW 3dB
Bandwidth weather band
ISS30 = 1
30
kHz
BW
20dB
-20dB weather band
ISS30 = 1
80
kHz
Adjacent Channel ISS Filter Threshold
V
NTH
Internal low threshold
ACNTH
0
V
V
NTH
Internal high threshold
ACNTH
0.3
V
V
WTH
Internal low threshold
ACWTH
0.25
V
V
WTH
Internal high threshold
ACWTH
0.95
V
Multipath Threshold
V
THMP
Internal low threshold
MPTH
0.50
V
V
THMP
Internal high threshold
MPTH
1.25
V
ISS Filter Time Constant
I
15
Charge current low mid
TISS, ISSCTL = 1
-74
μ
A
I
15
Charge current high mid
TISS, ISSCTL = 1
-60
μ
A
I
15
Charge current low narrow
TISS, ISSCTL = 1
-124
μ
A
I
15
Charge current high narrow
TISS, ISSCTL = 1
-110
μ
A
I
15
Discharge current low
TISS, ISSCTL = 0
1
μ
A
I
15
Discharge current high
TISS, ISSCTL = 0
15
μ
A
V
15
Low voltage
ISSCTL = 0
0.1
V
Table 3. ELECTRICAL CHARACTERISTICS
(continued)
T
amb
= +25°C,
V
CC1
=
V
CC2
=
V
CC3
=
V
CCVCO
=
V
CCMIX1
=
V
CCIF1
=8.5V, f
RF
= 98MHz, dev. = 40kHz,
f
MOD
= 1kHz, f
IF1
= 10.7MHz, f
IF2
= 450KHz, f
Xtal
= 10.25MHz, in application circuit, unless otherwise
specified.
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
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