NJM2560
SELECTABLE GAIN TYPE
LOW VOLTAGE VIDEO AMPLIFIER WITH LPF
s
DENERAL DESCRIPTION
The
NJM2560
is a Low Voltage Video Amplifier contained LPF
circuit. Internal 75Ω driver is easy to connect TV monitor directly.
The
NJM2560
can respond to various input voltage by gain switch.
The
NJM2560
features low power and small package, and is suitable
for low power design on downsizing of DSC and DVC.
s
FEATURES
q
Operating Voltage 2.8 to 5.5V
q
Internal LPF
29dB at 19MHz typ.
q
Internal gain switch 6dB,12dB,and16dB
q
Internal 75Ω driver circuit(2-system drive)
q
Internal Power Save circuit
q
Package Outline
TVSP8
s
PACKAGE OUTLINE
NJM2560RB1
s
BLOCK DIAGRAM
SEL1
1
SEL2
8
Vcc
5
DECODER
0dB
6dB
6.4dB
6th LPF
4
3
Vin
6
10dB
CLAMP
Vout
Vsag
2
7
GND
POWERSAVE
Ver.5
-1-
NJM2560
s
ABSOLUTE MAXIMUM RATING
(Ta=25°C)
PARAMETER
Supply Voltage
Power Dissipation
Operating Temperature Range
Storage Temperature Range
SYMBOL
V
P
D
Topr
Tstg
+
RATING
7.0
320
-40 to +85
-40 to +125
UNIT
V
mW
°C
°C
s
ELECTRICAL CHARACTERISTICS
( V
+
=3.0V,RL=150
Ω,
Ta=25
°C,
Select 6dB unless otherwise specified
)
PARAMETER
Supply Current
Supply Current at Power save
Maximum Output Level 1
Maximum Output Level 2
Maximum Output Level 3
Voltage Gain 1
Voltage Gain 2
Voltage Gain 3
LPF Characteristics 1
Gfy19M1
Gfy4.5M2
LPF Characteristics 2
Gfy19M2
Gfy4.5M3
LPF Characteristics 3
Gfy19M3
Differential Gain 1
Differential Gain 2
Differential Gain 3
Differential Phase
S/N Ratio
2
nd
SYMBOL
I
CC
Isave
Vomv1
Vomv2
Vomv3
Gv6
Gv12
Gv16
Gfy4.5M1
TEST CONDITION
No signal
Power save mode
Select 6dB,f=100kHz,THD=1%
Select 12dB, f=100kHz,THD=1%
Select 16dB,f=100kHz,THD=1%
Select6dB,
Vin=100kHz, 1.0Vp-p,Sin-signal
Select 12dB,
Vin=100kHz, 0.5Vp-p,Sin-signal
Select 16dB,
Vin=100kHz, 0.3Vp-p,Sin-signal
Select 6dB,
Vin=4.5MHz/100kHz,1.0Vp-p
Select 6dB,
Vin=19MHz/100kHz,1.0Vp-p
Select 12dB,
Vin=4.5MHz/100kHz,0.5Vp-p
Select 12dB,
Vin=19MHz/100kHz,0.5Vp-p
Select 16dB,
Vin=4.5MHz/100kHz,0.3Vp-p
Select 16dB,
Vin=19MHz/100kHz,0.3Vp-p
Select 6dB,
Vin=1.0Vp-p,10step video signal
Select 12dB,
Vin=0.5Vp-p,10step video signal
Select 16dB,
Vin=0.3Vp-p,10step video signal
Vin=1.0Vp-p,10step video signal
Vin=1.0Vp-p,
100% White video signal,
RL=75
Ω,
100KHz to 6MHz
Vin=1.0Vp-p,
3.58MHz Sin Video signal, RL=75
Ω
MIN.
-
-
2.2
2.2
2.2
6.0
12.0
16.0
-0.6
-
-0.6
-
-0.7
-
-
-
-
-
-
-
1.8
0
TYP.
9.0
50
2.5
2.5
2.5
6.4
12.4
16.4
-0.1
-29
-0.1
-29
-0.1
-29
0.8
1.4
2.0
0.5
+60
-45
-
-
MAX.
12.0
60
-
-
-
6.8
12.8
16.8
0.4
UNIT
mA
uA
Vp-p
Vp-p
Vp-p
dB
dB
dB
dB
-19
0.4
dB
-19
0.3
dB
-19
-
-
-
-
-
-
V
0.3
+
DG1
DG2
DG3
DP
SNv
Hv
VthH
VthL
%
%
%
deg
dB
dB
V
Distortion
SW High Level
SW Low Level
Ver.5
-2-
NJM2560
s
APPLICATION CIRCUIT
input
75Ω
0.1uF
0.1uF 10uF
8
SEL2
7
POWER
SAVE
6
Vin
5
V
+
input
75Ω
0.1uF
0.1uF 10uF
8
SEL2
7
POWER
SAVE
6
Vin
5
V
+
NJM2560
SEL1
1
GND
2
Vsag
3
33uF
Vout
4
33uF
SEL1
1
NJM2560
GND
2
Vsag
3
33uF
Vout
4
100uF
75Ω
75Ω
75Ω
output
output1
output2
(1-system drive)
(2-system drive)
s
TYPICAL CHARACTERISTICS
Voltage Gain vs. Freqency
6dB
12dB
16dB
20.0
10.0
Gv [dB]
0.0
-10.0
-20.0
-30.0
5
10
10
6
Freq [Hz]
10
7
[CAUTION]
The specifications on this databook are only
given for information , without any guarantee
as regards either mistakes or omissions. The
application circuits in this databook are
described only to show representative usages
of the product and not intended for the
guarantee or permission of any right including
the industrial rights.
Ver.5
-4-
电源技术
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