Pulse Amplifier - A275
Features
- Power 15 mW
- Slew Rate 100 V/µs
- Input Noise 4 nV/?Hz
- Stable DC Operation
- 200 MHz Gain-Bandwidth Product
- High Reliability Screening
- Unity Gain Stable
Applications
- Space Instrumentation
- Portable Instrumentation
- Nuclear Instrumentation
- Precision Active Filter Design
- Pulse Shaping
Pin Function

1 Inverting input
2 Non-inverting Input
3 Bias adjust to Pin 4, (R>3 kohm)
4 -Vs direct
5 -Vs through 50 ohms
6 Compensation to Pin 7, (C = 0-5 pF)
7 Case and Ground
8 Output through 50 ohms
9 Output direct
10 +Vs through 50 ohms
11 + Vs direct
12, 13, 14 Compensation: Leave open for <10; Short for gain >10 gain
Electrical Characteristics
VS = ±6 V, TA = +25 °C
Parameter | Symbol | Conditions | Min | Typ | Max | Units |
---|---|---|---|---|---|---|
Input Offset Voltage Uncompensated/Compensated |
VOS | 2 | 5/7 | mV | ||
Input Offset Current | IOS | 0.1 | 6 | µA | ||
Input Bias Current | IB | 1.5 | 4 | µA | ||
Input Capacitance | CIN | 4 | pF | |||
Differential Input Resistance | RIN | 44 | kΩ | |||
Common-Mode Input Resistance | RIN | >5 | 8 | MΩ | ||
Common-Mode Rejection Ratio | CMMR | 90 | 95 | dB | ||
Common-Mode Input Range | IVR | ±4.5 | V | |||
Power Supply Rejection Ratio | PSRR | 60 | dB | |||
Large-Signal Voltage Gain @5kHz @5kHz @10MHz @10MHz |
ALFC ALF AHFC AHF |
compensated uncompensated compensated uncompensated |
64 72 16 24 |
66 74 20 28 |
dB | |
Pulse Risetime (AV = 10) | trc tr |
compensated uncompensated |
15 9 |
22 15 |
ns | |
Output Voltage Swing | VOP VON |
positive negative |
+4.2 - |
+4.4 -5.0 |
-5.5 |
V |
Open Loop Output Resistance | RO | 750 | Ω | |||
Output Short-Circuit Current | IOSC | source sink |
11 -4 |
mA | ||
Slew Rate | SRP SRN |
positive negative |
65 35 |
100 40 |
V/µs | |
Input Noise Voltage Density | eN | 4 | nV/?Hz | |||
Supply Current | IS | ±1.1 | ±1.25 | ±1.4 | mA | |
Power Consumption | PD | 15 | mW |
page revision: 3, last edited: 30 Nov 2008 16:58