Single-ended input
LOW NOISE AMPLIFIER
SA
SERIES
SA-600 series
SA-400 series
SA-200 series
Current Amplifier
Voltage Amplifier
Differential input
Accurate and ultra low noise measurements of very small signals
Achieve one of the highest level of low noise amplification
SA-240F5
SA-440F5
Select the optimum model according to the signal of the sensor.
Current
Voltage
SA-600 series
IV-200 series
SA-604F2
SA-605F2
SA-606F2
SA-607F2
100 k
4 M
IV-202F4
IV-204F3
NF Low Noise Amplifier Line-up that Performs High Quality Amplification of Small Signals.
SA-200F3
SA-230F5
SA-240F5
SA-220F5
SA-410F3
SA-430F5
SA-440F5
SA-421F5
SA-420F5
Low impedance
High impedance
Sensor
(Signal source)
The potential difference from
the ground (GND)
The potential difference
between the two signals
Precision and High gain
High speed response
What signal will you
measure?
What type of sensors?
Which will you require
for the measurement?
SA-200 series
SA-400 series
Gain
≥
10 M (V/A)
Frequency up to 10 MHz
Single-ended input
Differential input
Best Selection Chart
P.3 to 6
P.7 to 8
P.9
Voltage
Measurement
Current
Measurement
Frequency Input form Input impedance
Equivalent input noise
voltage density
*
Single-ended,Bipolar
Single-ended,FET
Single-ended,FET
Single-ended,Bipolar
Differential,Bipolar
Differential,FET
Differential,FET
Differential,FET
Differential,Bipolar
1 k / 10 k / 100 kΩ
1 MΩ
1 M / 100 MΩ / open
50 Ω
1 k / 10 k / 100 kΩ
1 MΩ
1 MΩ
1 M / 100 MΩ / open
50 Ω
SA-200F3
SA-220F5
SA-240F5
SA-230F5
SA-410F3
SA-420F5
SA-421F5
SA-440F5
SA-430F5
0.5nV / Hz
0.5nV / Hz
1.2nV / Hz
0.25nV / Hz
0.75nV / Hz
0.9nV / Hz
0.5nV / Hz
1.8nV / Hz
0.35nV / Hz
Voltage Amplifier
Voltage Amplifier
SA-604F2
SA-605F2
SA-606F2
SA-607F2
45fA / Hz
15fA / Hz
6fA / Hz
2.5fA / Hz
10 M
100 M
1 G
10 G
IV-202F4
IV-204F3
450fA / Hz
70fA / Hz
100k V/A
4M V/A
DC to 500 kHz
DC to 250 kHz
DC to 100 kHz
DC to 20 kHz
DC to 10MHz
DC to 1MHz
DC to 800 kHz
1 kHz to 80 MHz
DC to 20 MHz
1 kHz to 100 MHz
DC to 1 MHz
1 kHz to 70 MHz
30 Hz to 30 MHz
DC to 20 MHz
1 kHz to 100 MHz
SA-600 series
SA-400 seriesSA-200 series
Current Amplifier
Single-ended input
Differential input
Voltage Amplifier
High gain (10G V/A max.),
Wide bandwidth
High gain (10G V/A max.),
Wide bandwidth
Nine models
for various applications
Nine models
for various applications
Low noise 0.25nV/√HzLow noise 0.25nV/√Hz
-10
-8
-6
-4
-2
0
2
4
6
8
10
0 10 20 30 40
Output voltage [mV]
Time [ms]
4nV voltage measurement
Time (0.5 ms/div)
Output voltage (5 mV/div)
Pulse width 1 ms
1pA current measurement
Measured by voltage amplifier SA-410F3 Measured by current amplifier SA-607F2
In small signal measurement, it is extremely important how to faithfully amplify and optimally process the analog signal from the sensor.
It is a lineup of low noise amplifiers that pursues technology to minimize the factors that will interfere with measurement,
such as noise and the influence of the surrounding environment.
SA-230F5
High impedance, FET inputHigh impedance, FET input
SA-440F5
DC to 20kHz, 10G V/ADC to 20kHz, 10G V/A
SA-607F2
Lineup
World-class low noise performanceWorld-class low noise performance
10 M
100 M
1 G
10 G
DC to 500 kHz
DC to 250 kHz
DC to 100 kHz
DC to 20 kHz
Gain (V/A) Frequency range
Gain (V/A) Frequency range
DC to 10 MHz
DC to 1 MHz
Input signal source Frequency range
Input signal source Frequency range
DC to 800 kHz
1 k to 100 MHz
DC to 20 MHz
1 k to 80 MHz
Low impedance
High impedance
DC to 1 MHz
1 k to 100 MHz
DC to 20 MHz
30 to 30 MHz
1 k to 70 MHz
Frequency
Gain(V/A)
Equivalent input noise
current density
*
Voltage Amplifier
Frequency
Gain
Equivalent input noise
current density
*
Current Amplifier
Voltage Amplifier
SAMPLES
Detects even
extremely small signals
* The waveform detected by 3 amplifiers connected in series, and averaged. (10k times) * The averaged waveform. (4096 times)
1 2
*
typical