NJM41035
LOW VOLTAGE GAIN ADJUST SINGLE ISOLATION AMPLIFIER WITH LPF
■
GENERAL DESCRIPTION
The NJM41035 is a gain adjustable low voltage isolation amplifier with
LPF. It can remove the common mode noise.
It is suitable for video interface of car AV system.
■
PACKAGE OUTLINE
■
FEATURES
●
Operating Voltage
2.7 to 9.5V
●
Common Mode Noise Rejection Ratio –55dBtyp.
●
Voltage Gain Adjustable
●
Internal LPF
0dB typ. at 6.75MHz
-40dB typ. at 27MHz
NJM41035RB1
( MSOP8 (TVSP8) )
●
Bipolar Technology
●
Package
MSOP8 (TVSP8)*
*MEET JEDEC MO-187-DA / THIN TYPE
** NJM41035RB1T: Wide operating temperature range type (-40 to +105°C)
■
PIN CONFIGURATION
1
2
3
4
8
7
6
5
1: VGND
2: V+
3: VREF
4: VIN
5: GND
6: VOUT
7: CL
8: VT
■
BLOCK DIAGRAM
VT
CL
V+
GND
VGND
-
+
VIN
VREF
VREF
6.75MHz
LPF
CLAMP
VOUT
Buffer
Ver.7
-1-
NJM41035
■
ABSOLUTE MAXIMUM RATINGS
(Ta=25°C)
PARAMETERS
Supply Voltage
Power Dissipation
SYMBOL
V+
P
D
RATINGS
13.0
580 (Note1)
UNIT
V
mW
Topr
-40 to +85 (Note2)
Operating Temperature Range
°C
Tstg
-40 to +150
Storage Temperature Range
°C
(Note 1) At on a board of EIA/JEDEC specification. (114.3 x 76.2 x 1.6mm 2 layers, FR-4)
(Note 2) It has wide operating temperature range product. (-40 to +105°C)
■
RECOMMENDED OPEARATING CONDITION
(Ta= 25
°C)
PARAMETER
Operating Voltage
SYMBOL
Vopr
TEST CONDITION
MIN.
+2.7
TYP.
-
MAX.
+9.5
UNIT
V
■
ELECTRICAL CHARACTERISTICS
(V
+
=5.0V, Ta=25°C,RL=2kΩ)
PARAMETR
Supply Current
Maximum Output
Voltage Level
Voltage Gain 1
Low Pass Filter
Characteristic 1
Low Pass Filter
Characteristic 2
Common Mode Noise
Rejection Ratio
Differential Gain
Differential Phase
SYMBOL
I
CC
Vom
Gv1
Gf6.75M
Gf27M
CMR
DG
DP
No Signal
Vin=100kHz,Sin-Signal, THD=1%,
Vin=1MHz, 1.0Vp-p,Sin-Signal
Vin=6.75MHz/1MHz, 1.0Vpp sin-signal
Vin=27MHz/1MHz, 1.0Vpp sin-signal
Vin=20KHz,Vin=1Vpp
Vin=1.0Vp-p,10step Video Signal
Vin=1.0Vp-p,10step Video Signal
TEST CONDITION
MIN.
-
2.0
-0.5
-1.0
-
-
-
-
TYP.
15
2.2
0
0
-40
-55
0.5
0.5
MAX.
20
-
0.5
+1.0
-24
-
-
-
UNIT
mA
Vp-p
dB
dB
dB
dB
%
deg
-2-
NJM41035
■
TERMINAL FUNCTION (V+= 5.0V)
PIN No.
PIN NAME
FUNCTION
EQUIVALENT CIRCUIT
VCC
DC VOLTAGE
1
4
VGND
VIN
GND input
Video input
270Ω
2.5V
GND
2
V+
Power supply
VCC
-
3
VREF
Reference voltage
150
Ω
2.5V
GND
5
GND
GND
VCC
200Ω
-
6
OUT
Video out
200Ω
1.4V
GND
VCC
150Ω
7
CL
Isolation input
150Ω
2.2V
GND
VCC
8
VT
Isolation output
250Ω
2.5V
GND
-3-
NJM41035
■
TEST CIRCUIT
10K
10K
+
1
VGND
VT
8
0.1u
75Ω
10u
2
+
V+
CL
7
47u
0.1u
3
10K
4
VREF
VOUT
6
+
22u
2k
75Ω
10u 10K
+
VIN
GND
5
-4-
NJM41035
■
APPLICATION CIRCUIT
10K
10K
+
1
VGND
VT
9
0.1u
10u
2
+
V+
CL
7
47u
75Ω
0.1u
3
10K
4
VREF
VOUT
6
+
22u
2k
10u 10K
+
VIN
GND
5
[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.
-5-
