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STV5742 Datasheet(PDF) 4 Page - STMicroelectronics

Part No. STV5742
Description  2-HEAD PLAYBACK AND RECORD AMPLIFIER FOR VCR
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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STV5742 Datasheet(HTML) 4 Page - STMicroelectronics

   
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ELECTRICAL CHARACTERISTICS (Tamb =25
oC, unless otherwise specified)
Record Mode (VCC = 5V, Recadj = 12k
Ω, SWR = 5V, CAGCREC = 470pF, RRCY = 2.2kΩ,
RRCC = 8.2k
Ω, Load 10µH//1kΩ for each simulated head) (continued)
Symbol
Parameter
Test Conditions
Min.
Typ. Max.
Unit
SWITCHING LEVELS (continued)
VSWRCL
SWRC Input Threshold
Selects playback mode, 5 to 0V
3.1
3.3
3.8
V
ISWRCH
SWRC Input Leakage Current
5V at SWRC input
2
5
8
mA
ISWRCL
SWRC Input Leakage Current
0V at SWRC input
-20
0
20
µA
tON
Delay
Signal appears on PBOUT
3
ms
t1
Delay from playback to record :
Signal disappears on Pin PBOUT
22nF between Hi/Vi
1
µs
t2
Delay from record to playback :
Signal appears on Pin PBOUT
22nF between Hi/Vi
5
ms
t3
Delay from playback to record :
Signal appears on Pin IOUT
25
µs
t4
Delay from record to playback :
Signal disappears on Pin IOUT
7
µs
VCSYH
CSYN Input Threshold
Sampling on (I = -25
µA)
2.2
2.5
2.8
V
VCSYL
CSYN Input Threshold
Sampling off (I = 25
µA)
2.2
2.5
2.8
V
ICSYH
Leakage Current
Sampling on
-10
µA
ICSYL
Leakage Current
Sampling off
10
µA
1
I
OUT
7
50k
Figure 1
2
V1
V
CC
V
CC
2.7k
Figure 2
INTERNAL SCHEMATICS
3
V2
V
CC
V
CC
Figure 3
C1/C2
Pins 4/8
V
CC
1k
Figure 4
STV5742
4/7


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