參數(shù)資料
型號: TBA120T
英文描述: FM IF amplifier and demodulator
中文描述: 調(diào)頻中頻放大器和解調(diào)器
文件頁數(shù): 2/4頁
文件大?。?/td> 78K
代理商: TBA120T
TELEFUNKEN Semiconductors
TBA120T
2
Rev. A1: 20.12.1994
Absolute Maximum Ratings
Reference point pin 1, unless otherwise specified
Parameters
Symbol
V
S
V
5
I
Ref
P
tot
T
amb
T
stg
Value
18
6
5
400
–15 to +70
–25 to +125
Unit
V
V
mA
mW
°
C
°
C
Supply voltage
Volume setting voltage
Reference supply current
Power dissipation
Ambient temperature range
Storage temperature range
Pin 11
Pin 5
Pin 4
T
amb
= 60
°
C
Electrical Characteristics
T
amb
= +25
°
C, V
S
= 12 V, f = 5.5 MHz, Figure 3, reference point pin 1, unless otherwise specified
Parameters
Test Conditions / Pins
Symbol
V
S
I
S
V
oRef
r
Ref
f
G
IF
V
o(IF)pp
Min.
10
9.5
4.2
Typ.
Max.
18
17.5
5.5
Unit
V
mA
V
Supply voltage range
Supply current
Reference voltage
Output resistance
Frequency range
IF voltage gain
Limited IF output voltage
Input limiting voltage
Pin 11
Pin 11
Pin 4
Pin 4
4.8
12
0 to 12
68
250
MHz
dB
mV
Pin 6/14
Pin 6 – 10
f =
50 kHz,
f
mod
= 1 kHz
Pin 14
Pin 14
V
i(IF)
R
i
C
i
k
AM
30
800
5
60
60
V
Input impedance
pF
dB
AM rejection
m = 30 %, f =
V
i
= 500 V, f
mod
= 1 kHz
V
i
= 0
50 kHz,
50
DC voltage at AF output
Pin 8
Pin 12
Pin 11/8
Pin 11/12
V
o(AF)1
V
o(AF)2
k
Br
k
Br
4
5.6
35
30
V
V
dB
Ripple rejection
IF residual voltage
without de-emphasis
capacitor
Pin 8
Pin 12
V
o(IF)1
V
o(IF)2
20
30
mV
AF output voltage
V
i
= 10 mV,
f =
f
mod
= 1 kHz, R
5
= 20 k
50 kHz,
Pin 8
Pin 12
Pin 8, 12
Pin 8/3
V
o(AF)1
V
o(AF)2
r
o
G
v1
–G
v1
V
o(AF)1
r
i
650
400
900
650
1.1
7.5
30
85
2
mV
mV
k
dB
dB
dB
k
Output resistance
AF voltage amplification
AF damping
Volume setting range
Input resistance
Mute function
Switching current
Switching voltage
R
5
= 20 k ,
R
5
= 13 k , Fig. 3 Pin 8
24
70
34
Pin 8
Pin 3
Pin 2 or 13
Figure 2
I
sw
V
mute
400
A
V
3
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