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(jī)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): 12/42頁
文件大?。?/td> 761K
代理商: TDA7512
TDA7512
12/42
Table 4. ELECTRICAL CHARACTERISTICS
T
amb
= +25°C,
V
CC1
=
V
CC2
=
V
CC3
=
V
CCVCO
=
V
CCMIX1
=
V
CCMIX2
= 8.5V, f
RF
= 1MHz, f
MOD
= 400Hz at
30% AMf
IF1
= 10.7MHz, f
IF2
= 450kHz, f
xtal
= 10.25MHz, in application circuit, (unless otherwise noted,
V
INRF
antenna input).
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
Global
V
ANT
min
Max. sensitivity
Ref.: V
INRF
= 60dB
μ
V,
19
dB
μ
V
V
ANT
us
Usable sensitivity
(S+N)/N = 20 dB
30
26
dB
μ
V
V
ANT
IF2 AGC Range
Ref.: V
INRF
= 60dB
μ
V,
56
dB
(S+N)/N
Signal to Noise Ratio
Ref.: V
INRF
= 60ddB
μ
V
50
60
dB
a
IF
IF rejection
Ref: V
INRF
= 60dB
μ
V,
IF1 = 10.7MHz
IF2 = 450kHz
100
100
dB
dB
f
AF
Frequency response
Ref.: V
INRF
= 60dB
μ
V,
V
AF
= -3 dB
3.6
kHz
THD
Total Harmonic Distortion
V
INRF
= 60dB
μ
V, m = 0.8
m = 0.3
V
INRF
= 120 db
μ
V, m = 0.8
m = 0.3
0.5
0.3
1.0
0.3
%
V
37
Output level
V
INRF
= 60dB
μ
V
220
mV
RM
S
V
34
Output level
V
INRF
= 60dB
μ
, m=off
190
mV
RM
S
V
3
Min. RF AGC threshold
Max. RF AGC threshold
WAGC
90
109
dB
μ
V
dB
μ
V
V
58
Min. IF AGC threshold
Max. IF AGC threshold
WAGC
90
109
dB
μ
V
dB
μ
V
V
58
Min. DAGC threshold
Max. DAGC threshold
DAGC
74
96
dB
μ
V
dB
μ
V
|
I
40max
|
AGC2 charge current
seek
160
μ
A
CCR
Charge current ratio
seek/seek off
30
AGC Voltage Driver Output
V
4
Max. AGC output voltage
3.5
V
V
4
Min. AGC output voltage
0.5
V
|
I
4
|
AGC current
100
μ
A
AGC PIN Diode Driver Output
I
5
AGC driver current
-2
mA
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