Document
NJW1351
www.DataSheet4U.com
LOW VOLTAGE VIDEO AMPLIFIER WITH LPF
sGENERAL DESCRIPTION The NJW1351 is a Low Voltage Video Amplifier with LPF circuit. By the internal charge pump circuit, output capacitor is unnecessary. The NJW1351 features low power and small package, and is suitable for low power design on downsizing of portable video system and system with video output. Moreover, the following voltage gain variations are arranged. - NJW1350(Gain=12dB) - NJW1352(Gain=9dB) - NJW1353(Gain=16dB) sPACKAGE OUTLINE
NJW1351RB1
NJW1351KK1
NJW1351WE4(U.D)
sFEATURES q Operating Voltage 2.5 to 3.45V q Unnecessary output coupling capacitor q 6dB amplifier q Internal 75Ω Driver Circuit (2-system drive) q Internal LPF -38dB at 19MHz typ q Power Save Circuit q Bi-CMOS Technology q Package Outline TVSP8, SON10,WPCSP9(1.4x1.5x0.45mm:U.D.) sPIN CONFIGURATION
NJW1351RB1(TVSP8)
1 2 3 4 8 7 6 5
NJW1351KK1(SON10)
1 2 3 4 5 10 9 8 7 6
1: CP1 2: V+ 3: VIN 4: Power Save 5: VOUT 6: GND 7: V8: CP2
1: CP1 2: V+2 3: V+1 4: VIN 5: Power Save 6: VOUT 7 GND1 8: GND2: 9: V-
sBLOCK DIAGRAM
V+1
V+2
VIN
6th LPF
VOUT
6dB
V-
Charge Pump
POWER SAVE
CP1
CP2
GND1
GND2
(NOTE) TVSP8: V+1 and V+2 are the same pins, and GND1 and GND2 are the same pins.
Ver.4 -1-
NJW1351
www.DataSheet4U.com
sABSOLUTE MAXIMUM RATINGS (Ta=25°C) PARAMETER Supply Voltage Power Dissipation Operating Temperature Range Storage Temperature Range SYMBOL V
+
RATINGS 3.55 TVSP8:320 SON10:250 -40 to +85 -55 to +125
UNIT V mW °C °C
PD Topr Tstg
sRECOMMENDED OPEARATING CONDITION(Ta=25°C) PARAMETER Operating Voltage SYMBOL Vopr
+
TEST CONDITION
MIN. 2.5
TYP. -
MAX. UNIT 3.45 V
sELECTRICAL CHARACTERISTICS (V =3.0V,RL=150Ω,Ta=25°C) PARAMETER Operating Current Operating Current at Power Save Maximum Output Voltage Swing Voltage Gain SYMBOL ICC Isave Vom Gv TEST CONDITION No Signal No Signal, Power Save Mode f=100kHz,THD=1% Vin=100kHz, 1.0Vp-p, Input Sine Signal MIN. 4.5 6.0 -0.75 -7.0 1.25 0 TYP. 14.0 0 5.2 6.4 -0.05 -3.0 -38 0.5 0.5 +70 4.0 -60 MAX. 20.0 1.0 6.8 0.25 -1.0 -23 7.0 V
+
UNIT mA uA Vp-p dB
Gfy4.5M Vin=4.5MHz/100kHz, 1.0Vp-p Low Pass Filter Characteristic Gfy8M Gfy19M Differential Gain Differential Phase S/N Ratio Switching Noise Level 2nd. Distortion SW Change Voltage High Level SW Change Voltage Low Level sCONTROL TERMINAL PARAMETER STATUS H Power Save L OPEN NOTE Power Save: OFF Power Save: ON Power Save: ON DG DP SNv Nswpl Hv VthPH VthPL Vin=8MHz/100kHz, 1.0Vp-p Vin=19MHz/100kHz, 1.0Vp-p Vin=1.0Vp-p, 10step Video Signal Vin=1.0Vp-p, 10step Video Signal 100kHz to 6MHz, Vin=1.0Vp-p 100% White Video Signal, RL=75Ω RL=75Ω, Vout=10% White Video Signal Vin=1.0Vp-p, Sine Signal , 3.58MHz, RL=75Ω Active Non-active
dB
% deg dB mVpp dB V
0.45
Ver.4 -2-
NJW1351
www.DataSheet4U.com
sTEST CIRCUIT
75ohm out2 1uF
+
75ohm out1
8 CP2
7 V-
6 GND
5 VOUT
1uF
+
NJW1351RB1 (TVSP8)
CP1 1 V+ 2 1uF VIN 3
+
Power Save
4
10uF
+
0.1uF in 75ohm out2 1uF + 75ohm out1 10 CP2 9 V8 GND2 7 6
GND1 VOUT
1uF
+ CP1 1
NJW1351KK1(SON10)
V+2 2 V+1 3 VIN 4 1uF 0.1uF in +
Power Save 5
10uF
+
Ver.4 -3-
NJW1351
www.DataSheet4U.com
sPIN FUNCTION(TVSP8) PIN NO. 1 PIN NAME CP1 INSIDE EQUIVALENT CIRCUIT
V+ V+
CP1
V-
2 3
V
+
V
+
V+
Vin
150ohm Vin
150kohm
V-
4
Power Save
Power Save
25kohm
45kohm
V-
V+
V+
5
Vout
210ohm Vout 4.4kohm
V-
V-
6 7 8
GND V
V+
-
CP2
CP2
V-
V-
Ver.4 -4-
NJW1351
www.DataSheet4U.com
sPIN FUNCTION(SON10) PIN NO. 1 PIN NAME CP1 INSIDE EQUIVALENT CIRCUIT
V+ V+
CP1
V-
2,3 4
V 2,V 1
V
+
+
+
V+
Vin
150ohm Vin
150kohm
V-
5
Power Save
Power Save
25kohm
45kohm
V-
V+
V+
6
Vout
210ohm Vout 4.4kohm
V-
V-
7,8 9 10
GND1,GND2 V
V+
-
CP2
CP2
V-
V-
Ver.4 -5-
NJW1351
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sTYPICAL CHARACTERISTICS
Operating Current vs. Supply Voltage
20.0
Operating Current at Standby State vs. Supply Voltage
Operating Current at Standby State Isave(uA) 0.15
Operating Current Icc(mA)
15.0
0.10
10.0
0.05
5.0
0.0 2.2
2.4
2.6
2.8
3.0
+
3.2
3.4
3.6
0.00 2.2
2.4
2.6
2.8
3.0
+
3.2
3.4
3.6
Supply Voltage V (V)
Supply Voltage V (V)
Maximum Output Voltage Swing vs. Supply Voltage
Total Harmonic Distortion=1%, 100kHz Maximum Output Voltage Swing Vom(Vpp) 7.0 6.0 5.0 4.0 3.0 2.0 1.0 2.2
Voltage Gain vs. Supply Voltage
1.0Vpp, 100kHz sinewave signal input 7.5
Voltage Gain Gv(dB)
2.4 2.6 2.8 3.0
+
7.0
6.5
6.0
3.2
3.4
3.6
5.5 2.2
2.4
2.6
2.8
3.0
+
3.2
3.4
3.6
Supply Voltage V (V)
Supply Voltage V (V)
Low Pass Filter Characteristic 1 vs. Supply Voltage
1.0Vpp, 4.5MHz/100kHz 1.0 LPF Characteristic 1 Gfy4.5M(dB)
Low Pass Filter Characteristic 2 vs. Supply Voltage
1.0Vpp, 8MHz/100kHz 0.0
0.5
LPF Characteristic 2 Gfy8M(dB)
-2.0
0.0
-4.0
-0.5
-6.0
-1.0 2.2
2.4
2.6
2.8
3.0
3.2
3.4
3.6
-8.0 2.2
2.4
2.6
2.8
3.0
+
3.2
3.4
3.6
+ Supply Voltage V (V)
Supply Voltage V (V)
Ver.4 -6-
NJW1351
www.DataSheet4U.com
sTYPICAL CHARACTERISTICS
Low Pass Filter Ch.