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NJM41042 PDF даташит

Спецификация NJM41042 изготовлена ​​​​«NJR» и имеет функцию, называемую «DC-coupling 4-channel Video Driver».

Детали детали

Номер произв NJM41042
Описание DC-coupling 4-channel Video Driver
Производители NJR
логотип NJR логотип 

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NJM41042 Даташит, Описание, Даташиты
NJM41042www.DataSheet4U.com
DC-coupling 4-channel Video Driver
with Auto Power Save Function
s GENERAL DESCRIPTION
The NJM41042 is a single supply voltage 4ch Video amplifier
with SD/ HD LPF. No need output capacitor due to DC-coupling
output. NJM41042 has Auto Power Save function, which detects
connecting cable or not. It realizes lower power consumption.
s APPRICATION
q BD/DVD player
q Home Theater
q Set Top Box
q AV receiver
s FEATURES
q Operating Voltage
4.5 to 5.5V
q Auto Power Save Function
q Composite/ Component Video Signal Input
q SD/HD LPF
6.75MHz/37MHz
q DC-coupled Output
q AC-coupled Input with Sync-tip Clamp(Vin/Yin), Bias(Pbin/Prin)
q 6dB amplifier
q 75Driver Circuit (Two-line drive)
q Monitoring Function(RL_SD,RL_HD)
q Bipolar Technology
q Package Outline
SSOP20-C3
s PACKAGE OUTLINE
NJM41042VC3
s BLOCK DIAGRAM
RL_SD RL_HD
PS1 PS2
VIN
CLA MP
6.75MHz
LPF
6dB 75Driver
VOUT
75
75
YIN
CLA MP
37MHz
LPF
6dB 75Driver
YOUT
75
75
PbIN
BIAS
37MHz
LPF
6dB 75Driver
PbOUT
75
75
PrIN
BIAS
37MHz
LPF
6dB 75Driver
PrOUT
75
75
V+1 GND1
AUTO SHUTDOWN
V+2 GND2
Ver.2
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NJM41042 Даташит, Описание, Даташиты
A
NJM41042www.DataSheet4U.com
s ABSOLUTE MAXIMUM RATINGS (Ta=25°C)
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage
V+ 7.0 V
Power Dissipation
PD
1500 (Note 1)
mW
Operating Temperature Range
Topr
-40 to +85
°C
Storage Temperature Range
Tstg
-40 to +150
°C
(Note 1) At on a board of EIA/JEDEC specification. (114.3 x 76.2 x 1.6mm 4 layers, FR-4)
s RECOMMENDED OPEARATING CONDITION (Ta=25°C)
PARAMETER SYMBOL
TEST CONDITION
Operating Voltage
Vopr
MIN. TYP. MAX. UNIT
4.5 5.0 5.5 V
s ELECTRICAL CHARACTERISTICS (Ta=25°C, V+=5V, RL=150)
PARAMETER SYMBOL
TEST CONDITION
Operating Current
Operating Current
at Power Save1
Operating Current
at Power Save2
Operating Current
at Power Save3
Maximum Output
Voltage Swing
Output DC Voltage1
Output DC Voltage2
Voltage Gain
ICC
Isave1
Isave2
Isave3
Vom
Vo1
Vo2
Gv
No Signal
Power Save Mode(PS1:ON,PS2:ON)
Power Save Mode(PS1:ON,PS2:OFF)
Power Save Mode(PS1:OFF,PS2:ON)
Vin=100kHz, Sine Signal, THD=1%
Vout/Yout terminal
Pbout/Prout terminal
Vin=1MHz, 1.0Vp-p, Sine Signal
Low Pass Filter
Characteristic 1
Gfy6.75M (Note 1) 6.75MHz/1MHz, 1.0Vp-p, Sine Signal
Gfy108M (Note 1) 108MHz/1MHz, 1.0Vp-p, Sine Signal
Low Pass Filter
Characteristic 2
Differential Gain
GfHD37M
GfHD148M
DG
(Note 2) 37MHz/1MHz, 1.0Vp-p, Sine Signal
(Note 2) 148MHz/1MHz, 1.0Vp-p, Sine Signal
(Note 3) Vin=1.0Vp-p, 10step Video Signal
Differential Phase
DP (Note 3) Vin=1.0Vp-p, 10step Video Signal
S/N Ratio
SW Voltage
High Level
SN
VthH
(Note 3) Vin=1.0Vp-p, 100% White video signal,
RL=75, 100KHz to 6MHz
SW Voltage
Low Level
VthL
Switch inflow
current High Level
IthH V=5V
Switch inflow
current Low Level
IthL V=0.3V
RL Voltage
High Level
VthH R=10k
RLSW Voltage
Low Level
VthL R=10k
(Note 1) V Input, (Note 2) Y,Pb,Pr Input, (Note 3) V,Y Input
MIN.
-
-
-
-
2.4
0.3
1.4
5.5
-1.0
-
-
-
-
-
-
2.2
0
-
-
0.7*
V+
0
TYP.
50
0.5
45
10
-
0.5
1.7
6.0
0
-40.0
-3.0
-40.0
0.5
0.5
80
-
-
-
-
-
-
MAX. UNIT
70 mA
1.1 mA
60 mA
15 mA
- Vp-p
0.7
2.0
6.5
1.0
-24.0
-
-24.0
-
-
V
V
dB
dB
dB
dB
dB
%
deg
- dB
V+ V
1.0 V
120 µA
8.0 µA
V+ V
0.3*
V+
V
-2-









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NJM41042 Даташит, Описание, Даташиты
A
NJM41042www.DataSheet4U.com
s CONTROL TERMINAL
PARAMETER
STATUS
PS1(Power Save1)
H
L
OPEN
H
PS2(Power Save2)
L
OPEN
NOTE
Vout Power Save: OFF (Active)
Vout Power Save: ON (Mute)
Vout Power Save ON(Mute)
Y,Pb,Pr out Power Save: OFF (Active)
Y,Pb,Pr out Power Save: ON (Mute)
Y,Pb,Pr out Power Save ON(Mute)
s MONITOR TERMINAL
PARAMETER
STATUS
NOTE
RL_SD
H Vout No Connection
L Vout Connected
RL_HD
H Y,Pb,Pr out No Connection
L Y,Pb,Pr out Connected
NJM41042 has the load detecting function.
Terminal (SD,HD) with which the cable is connected operates.
It auto shutdown mode when there is no load (open mode).
SD and HD operate independently.
The monitor terminal judges whether the video amplifier operates.
It can be judged whether the cable is connected by feed back this terminal information to the µcon.
s TEST CIRCUIT
10k
10k
75
+
33µF
0.1µF
75
75
75
0.1µF
0.1µF
1µF
1µF
1 RL_HD
2 RL_SD
3 PS1
4 VIN
5 V+1
6 YIN
7 GND1
8 PBIN
9 NC
10 PRIN
NC 20
PS2 19
VOUT 18
V+2 17
YOUT 16
GND2 15
PBOUT 14
NC 13
PROUT 12
NC 11
7575
7575
0.1µF
7575
7575
Note)We recommend the DC termination of 75.
When the AC termination, there is a possibility that the signal is not correctly output.
-3-










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