Document
NJU77000/NJU77001 NJU77002/NJU77004
1.5V, 0.23µA/ch, Ultra-Low Power, Excellent EMI Immunity, Rail-to-Rail Input/Output, CMOS Operational Amplifiers
FEATURES (V+=5V)
●Supply Voltage ●Input Offset Voltage
1.5V to 5.5V
NJU77000 / NJU77001
1.0mV max.
NJU77002
1.3mV max.
NJU77004
1.5mV max.
●Input Offset Voltage Drift
0.65μV/°C typ.
●Input Bias Current
10pA max.
●Integrated EMI Filter EMIRR=89dB typ. @f=900MHz
●Rail-to-Rail Input / Output
●CMOS Technology
●Slew Rate
0.7V/ms
●Unity Gain Frequency
1.0kHz
●Ultra-Low Power Supply Current
NJU77000 / NJU77001
0.29µA typ.
NJU77002 / NJU77004
0.23µA/ch typ.
●Package
NJU77000
SOT-23-5
NJU77001
SC-88A, SOT-23-5
NJU77002
SOP8 JEDEC 150mil
MSOP8 (TVSP8)*
*JEDEC MO-187-DA / thin type
DFN8-U1 (ESON8-U1)
NJU77004
SSOP14
APPLICATIONS
●Battery-Powered Instruments ●Micro-Power Oxygen Sensors and Gas Sensors ●Power Line Monitoring ●Micro Power Current Sensing ●Healthcare Instruments
DESCRIPTION
The NJU77000/NJU77001/NJU77002/NJU77004 are single/dual/quad ultra-low power CMOS operational amplifiers designed specifically to extend battery life and performance for portable applications. The supply voltage range is 1.5V to 5.5V and supply current is 0.29µA typ. (single), 0.23µA/ch typ. (dual/quad). The supply current is stable against ambient temperature and voltage change, making them suitable for micro power oxygen sensors, gas sensors, and remote sensor applications.
These devices also feature rail-to-rail I/O and input offset voltage of 1.0mV max. (single), 1.3mV max. (dual), 1.5mV max. (quad). Moreover, this series has excellent characteristics ideal for battery-powered applications, such as 0.65uV/°C typ. input offset voltage drift, input bias current of 10pA max. and ability of capacity load drive of 470pF.
NJU77000 series has normal grade (NJU7700x) and A-Grade (NJU7700xA). A-Grade has improved offset voltage and supply voltage than normal grade, and other characteristics are also guaranteed from -40 to 105 °C.
The NJU77000 is available in a 5-pin SOT-23 package. NJU77001 is offered in 5-pin SOT-23 and SC-88A packages. NJU77000 and NJU77001 have different pin functions (see pin configurations). The NJU77002 is offered in 8-pin SOP JEDEC 150mil, MSOP (TVSP JEDEC MO-187-DA / thin type) and DFN (ESON) that is thin and 2mm square small package. The NJU77004 is a 14-pin SSOP package.
■ TYPICAL CHARACTERISTIC
Supply Current per Amplifier [μA]
Supply Current per Amplifier vs. Temperature
(NJU77002/NJU77004) GV=0dB, VCOM=V+/2
0.4
0.3 V+=5.0V
0.2
V+=1.5V
V+=1.8V
0.1
0 -50
-25 0 25 50 75 100 125 Ambient Temperature [°C]
■ TYPICAL APPLICATION
Sensor VIN
100kΩ
1.8V
To ADC VO
100kΩ
10MΩ
VO=VIN x 101 ISUPPLY=0.23µA/ch
V+=3V to 2V @ end of life
CR2032: coin type battery 220mAh = 13 years @ 4 circuit
40dB micro power sensor amplifier
Ver.6.0
www.njr.com
-1-
NJU77000/NJU77001 NJU77002/NJU77004
■ PRODUCT INFORMATION (Ta 25°C)
VO max.
ISUPPLY max.
IB max.
SC-88A
1.8mV 0.49μA - NJU77001F3
1.0mV
2.0mV 1.3mV 2.2mV 1.5mV
0.39μA
0.66μA 0.76μA 1.32μA 1.22μA
10pA
10pA
10pA
NJU77001AF3
-
SOT-23-5
NJU77000F NJU77001AF NJU77000AF NJU77001AF
-
PACKAGE / PRODUCT NAME
SOP8
JEDEC 150 mil
MSOP8 (TVSP8)
--
--
NJU77002E NJU77002AE
-
NJU77002RB1 NJU77002ARB1
-
DFN8-U1 (ESON8-U1)
-
-
NJU77002KU1 NJU77002AKU1
-
SSOP14
-
NJU77004V NJU77004AV
■ PIN CONFIGURATIONS
PRODUCT NAME
NJU77000F NJU77000AF
Package
SOT-23-5
NJU77001F NJU77001AF
SOT-23-5
NJU77001F3 NJU77001AF3
SC-88A
NJU77002E NJU77002AE
SOP8
JEDEC 150 mil
NJU77002RB1 NJU77002ARB1
MSOP8 (TVSP8)
Pin Functions
(Top View)
OUTPUT 1
5 V+
V- 2
+INPUT 3
4 -INPUT
(Top View)
+INPUT 1
5 V+
V- 2
-INPUT 3
4 OUTPUT
(Top View)
A OUTPUT 1
8 V+
A -INPUT 2
7 B OUTPUT
A +INPUT 3
6 B -INPUT
V- 4
5 B +INPUT
PRODUCT NAME
Package
NJU77002KU1 NJU77002AKU1
DFN8-U1 (ESON8-U1)
Pin Functions
(Top View)
A OUTPUT 1
8 V+
A -INPUT 2 A +INPUT 3
V- 4
Exposed Pad on Underside
7 B OUTPUT 6 B -INPUT 5 B +INPUT
NJU77004V / NJU77004AV
SSOP14
A OUTPUT 1 A -INPUT 2 A +INPUT 3 V+ 4 B +INPUT 5 B -INPUT 6
B OUTPUT 7
(Top View)
14 D OUTPUT 13 D -INPUT 12 D +INPUT 11 V10 C +INPUT 9 C -INPUT 8 C OUTPUT
■ PRODUCT NAME INFORMATION
NJU77000
F (TE1)
Part Number
Package
Taping Form
Ver.6.0
www.njr.com
-2-
NJU77000/NJU77001 NJU77002/NJU77004
■ ORDER INFORMATION
PRODUCT NAME
PACKAGE
NJU77000F NJU77000AF NJU77001F NJU77001AF NJU77001F3 NJU77001AF3 NJU77002E NJU77002AE NJU77002RB1 NJU77002ARB1 NJU77002KU1 NJU77002AKU1 NJU77004V NJU77004AV
SOT-23-5 SOT-23-5 SOT-23-5 SOT-23-5 SC-88A SC-88A SOP8 JEDEC 150 mil SOP8 JEDEC 150 mil MSOP8 (TVSP8) MSOP8 (TVSP8) DFN8-U1(ESON8-U1) DFN8-U1(ESON8-U1) SSOP14 SSOP14
RoHS
Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
HALOGENFREE Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
TERMINAL FINISH Sn2Bi Sn2Bi Sn2Bi Sn2Bi Sn2Bi Sn2Bi Sn2Bi Sn2Bi Sn2Bi Sn2Bi Sn2.