NJRC NJM41035

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 the 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
● Bipolar Technology
● Package
TVSP8
* NJM41035RB1T: Wide operating temperature range type (-40 to +105°C)
NJM41035RB1
■ PIN CONFIGURATION
1
8
2
7
3
6
4
5
1: VGND
2: V+
3: VREF
4: VIN
5: GND
6: VOUT
7: CL
8: VT
■ BLOCK DIAGRAM
VT
VGND
+
CL
V+
6.75MHz
LPF
GND
VOUT
Buffer
VIN
VREF
CLAMP
VREF
Ver.6
-1-
NJM41035
■ ABSOLUTE MAXIMUM RATINGS (Ta=25°C)
SYMBOL
PARAMETERS
RATINGS
UNIT
Supply Voltage
V+
13.0
V
Power Dissipation
PD
580 (Note1)
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
TEST CONDITION
Vopr
MIN.
TYP.
MAX.
UNIT
+2.7
-
+9.5
V
MIN.
TYP.
MAX.
UNIT
-
15
20
mA
+
■ 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
SYMBOL
ICC
TEST CONDITION
No Signal
Vom
Vin=100kHz,Sin-Signal, THD=1%,
2.0
2.2
-
Vp-p
Gv1
Vin=1MHz, 1.0Vp-p,Sin-Signal
-0.5
0
0.5
dB
Vin=6.75MHz/1MHz, 1.0Vpp sin-signal
-1.0
0
+1.0
dB
Vin=27MHz/1MHz, 1.0Vpp sin-signal
-
-40
-24
dB
Vin=20KHz,Vin=1Vpp
-
-55
-
dB
Gf6.75M
Gf27M
CMR
Differential Gain
DG
Vin=1.0Vp-p,10step Video Signal
-
0.5
-
%
Differential Phase
DP
Vin=1.0Vp-p,10step Video Signal
-
0.5
-
deg
Ver.6
-2-
NJM41035
■ TERMINAL FUNCTION (V+= 5.0V)
PIN No.
PIN NAME
FUNCTION
EQUIVALENT CIRCUIT
DC VOLTAGE
VCC
1
VGND
GND input
4
VIN
Video input
270Ω
2.5V
GND
2
V+
Power supply
VCC
3
VREF
150Ω
Reference voltage
2.5V
GND
5
GND
GND
VCC
200Ω
6
OUT
Video out
1.4V
200Ω
GND
VCC
150Ω
7
CL
Isolation input
2.2V
150Ω
GND
VCC
8
VT
250Ω
Isolation output
2.5V
GND
Ver.6
-3-
NJM41035
■ TEST CIRCUIT
10kΩ
10kΩ
75Ω
1
+
10µF
VGND
VT
8
0.1µF
+
2
VCC
CL
7
0.1µF
4.7µF
+
3
VREF
OUT
6
22µF
2kΩ
10kΩ
10kΩ
75Ω
+
10µF
4
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.
Ver.6
-4-