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STV5712 数据表(PDF) 4 Page - STMicroelectronics

部件名 STV5712
功能描述  ADVANCED FM AUDIO PLAY-BACK AND RECORD AMPLIFIER FOR VCR
PDF  8 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STV5712 数据表(HTML) 4 Page - STMicroelectronics

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ELECTRICAL OPERATING CHARACTERISTICS (TA =25
oC unless otherwise specified) (continued)
Record Mode
VCC = 5V, Load resistor 50
Ω on Pin IOUT
Transconductance network defined by :
R1 = 5.6
Ω 1% Pins PROT/VMES
R2 = 1k
Ω
1% Pins VMES/VIN
R3 = 750
Ω 1% Pins VIN
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
ICC2
Current Supply
VCC =5V
60
80
mA
IOUT
Imax
Max. Record Current
70
mAPP
IBIAS
Biasing Current of the record
amplifier
33
40
47
mA
TR
Transconductance
VIN = 200mVPP
220
mA/V
ZOUT
Output Resistance
7
100
k
Ω
SHREC
Second Harmonic
Output Current 40mAPP at 1.6MHz
-43
-38
dB
FLCREC
FHCREC
Bandwidth Cut-off Frequency
-3dB attenuation
Output current 60mAPP
Low
High
5
0.1
MHz
MHz
Maximum Input Current
on Pin PROT
5V on Pin PROT
150
250
400
mA
Maximum Saturation Voltage
on Pin PROT
Input current 50mA
100
150
mV
Input Resistance
Equivalent value of R3 resistor
500
700
900
Ω
Switching Levels
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VSWH1
Head Selection Pin SW
Head number 1 (high level)
2.4
VCC
V
VSWL1
Head number 2 (low level)
0
1.5
V
ISWH1
Input current (high level)
20
50
µA
ISWL1
Output current (low level)
20
50
µA
VSWH2
Mode Selection Pin SW REC
Record mode (high level)
2.4
VCC
V
VSWL2
Play-back mode (low level)
0
1.5
V
ISWH2
Input current (high level)
20
50
µA
ISWL2
Output current (low level)
20
50
µA
tON1
Selection Pin SW Transient
Response
Delay time selection ON (output
signal appears on Pin FM OUT)
250
500
ns
tOFF1
Delay time selection OFF (output
signal disappears on Pin FM OUT)
250
500
ns
tON2
Selection Pin SW REC
Transient Response
Delay time selection ON (output
signal appears on Pin IOUT)
440
µs
tOFF2
Delay time selection OFF (output
signal appears on Pin FM OUT)
1.3
10
ms
STV5712
4/8



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