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STV5715 数据表(PDF) 5 Page - STMicroelectronics

部件名 STV5715
功能描述  ADVANCED 2-HEAD PLAY-BACK AND RECORD AMPLIFIER FOR VCR
PDF  9 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STV5715 数据表(HTML) 5 Page - STMicroelectronics

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ELECTRICAL OPERATING CHARACTERISTICS (Tamb =25
oC unless otherwise specified) (continued)
Record Mode
VREC = 11.3V, VCC = 5V, Load resistor 50
Ω on Pin IOUT
Transconductance network defined by :
R1 = 18
Ω, 1%
Pins GND/VMES
R2 = 1.5k
Ω, 1%
Pins VMES/VIN
R3 = 1.5k
Ω, 1%
Pin VIN
Symbol
Parameter
Test Conditions
Min.
Typ. Max.
Unit
IREC
ICC2
Current Supply
VREC = 11.3V
VCC =5V
17
15
25
25
33
38
mA
mA
Imax
Max. Record Current
3.8MHz
35
mAPP
TR
Transconductance
VIN = 300mVPP
45
55
65
mA/V
SHREC
Second Harmonic
Output Current, 30mAPP at 3.8MHz
at Pin IOUT
-54
-38
dB
FLCR
FHCR
Bandwidth Cut-off Frequency Pin IOUT
-3dB attenuation, 0dB at 3.8MHz
Output current 30mAPP
Low
High
10
0.1
MHz
MHz
RVIN
Input Resistance on Pin VIN
Equivalent value of R3 resistor
500
700
900
Ω
Switching Levels
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VSWHH
Head Selection Pin SW-H
Head number 1
2.4
VCC
V
VSWHL
Head number 2
0
1.5
V
ISWHH
Input current (5V)
5
15
50
µA
ISWHL
Output current (0V)
-50
-20
0
µA
VSWMH
Mode Selection Pin SW-M
LP Mode
2.4
5
V
VSWML
SP mode
0
1.5
V
ISWMH
Input current (5V)
5
15
50
µA
ISWML
Output current (0V)
-50
-20
0
µA
tON
tOFF
Selection Pin SW-H Transient
Response
Output signal appears on Pin CHROMA
Delay time selection ON
Delay time selection OFF
100
100
500
500
ns
VTH1
Inhibition Threshold Hysteresis for
Switching from Play-back to record
on Pin VREC
VCC = 5V
0.15
0.3
0.5
V
VTH2
Inhibition Threshold Hysteresis for
Switching from Record to Play-back
on Pin VREC
VCC =5V
80
mV
t1
Transient Response of Record
Scanning on Pin VREC
Delay from play-back to record
(signal disappears on Pin CHROMA)
10
µs
t2
Delay from record to play-back
(signal appears on Pin CHROMA)
32*
ms
t3
Delay from play-back to record (signal
appears on Pin IOUT)
0.2
ms
t4
Delay from record to play-back (signal
disappears on Pin IOUT)
11*
ms
* Depending on capacitance on Pin VREC ; above values are according to the application diagram at page 9.
STV5715
5/9



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