NTE725 Dual Low Noise Preamp/OP Amp
Formerly: ECG725
Integrated Circuit
Dual Low Noise Preamp/OP Amp
Description:
The NTE725 consists of two identical high-gain operational amplifiers cinstructed on a single chip. These 3-stage amplifiers use Class A PNP transistor output stages with uncommitted collectors. This enables a variety of loads to be employed for general purpose applications from DC to 10MHz, where two high end performance operation amplifiers are required. In addition, the outputs may be wired-OR for use as a dual comparator or they may function as diodes in low threshold rectifying circuits such as absolute value amplifiers, peak detectors, etc.
Features:
- Single or Dual Supply Operation
- Low Power Consumption
- High Gain
- Large Common Mode Range: +11V, -13V
- Excellent Gain Stability vs. Supply Voltage
- No Latch-Up
- Output Short Circuit Protected
Absolute Maximum Ratings:
Supply Voltage |
|
±18V |
Internal Power Dissipation |
|
650mW |
Differential Input Voltage |
|
±5V |
Input Voltage (Note 1) |
|
±15V |
Output Short Circuit Duration (TA = +25°C, Note 2) |
|
30sec |
Operating Temperature Range |
|
0° to +70°C |
Storage Temperature Range |
|
-55° to +125°C |
Lead Temperature (During Soldering, 60sec) |
|
+260°C |
Note 1. | For supply voltages less than ±15V, the absolute maximum input voltage is equal to the supply voltage. |
Note 2. | Short circuit may be to GND or either supply. |
Electrical Characteristics: (TA = +25°C, V+ = ±15V, RL = 5k Ohms to Pin7 unless otherwise specified)
Parameter |
Test Conditions |
Min |
Typ |
Max |
Unit |
Input Offset Voltage |
RS = 200 Ohms |
- |
1.0 |
6.0 |
mV |
V+ = ±4V, RL = 10k Ohms to Pin7, RS = 200 Ohms |
- |
1.0 |
6.0 |
mV |
Input Offset Current |
|
- |
50 |
1000 |
nA |
V+ = ±4V, RL = 10k Ohms to Pin7 |
- |
50 |
1000 |
nA |
Input Bias Current |
|
- |
0.3 |
2.0 |
µA |
V+ = ±4V, RL = 10k Ohms to Pin7 |
- |
300 |
- |
µA |
Input Resistance |
|
37 |
150 |
- |
k Ohms |
Large Signal Voltage Gain |
VOUT = ±10V |
6.5k |
20k |
- |
V / V |
V+ = ±4V, RL = 10k Ohms to Pin7, VOUT = ±2V |
2.5k |
15k |
- |
V / V |
Positive Output Voltage Swing |
|
+12 |
+13 |
- |
V |
V+ = ±4V, RL = 10k Ohms to Pin7 |
+2.5 |
+2.8 |
- |
V |
Negative Output Voltage Swing |
|
-14 |
-15 |
- |
V |
V+ = ±4V, RL = 10k Ohms to Pin7 |
-3.6 |
-4.0 |
- |
V |
Output Resistance |
f = 1kHz |
- |
5.0 |
- |
k Ohm |
Common Mode Rejection Ratio |
RS = 200 Ohms, VIN = +11.5V to -13.5V |
70 |
90 |
- |
dB |
Supply Voltage Rejection Ratio |
RS = 200 Ohms |
- |
50 |
- |
µV / V |
Input Voltage Range |
|
-10 |
- |
+11 |
V |
Internal Power Dissipation |
V+ = ±4V, RL = 10k Ohms to Pin7, VOUT = 0 |
- |
20 |
- |
mW |
Supply Current |
VOUT = 0 |
- |
9 |
14 |
mA |
V+ = ±4V, RL = 10k Ohms to Pin7, VOUT = 0 |
- |
2.5 |
- |
mA |
Broadband Noise Figure |
RS = 10k Ohms, BW = 10Hz to 10kHz |
- |
2.0 |
- |
dB |
Turn-On Delay |
Open Loop, VIN = ±20mV |
- |
0.2 |
- |
µs |
Turn-Off Delay |
Open Loop, VIN = ±20mV |
- |
0.3 |
- |
µs |
Slew Rate (Unity Gain) |
C1 = 0.02µF, R1 = 33 Ohm, C2 = 10pF |
- |
1.0 |
- |
V / µs |
Channel Separation |
RS = 1k Ohm, f = 10kHz |
- |
140 |
- |
dB |
This product is discontinued.
Only while stock lasts.
NTE-ECG replacement list as pdf-file
Diagrams and Info of most NTE-ECG Components
Unser Halbleiter Katalog (ohne NTE-Sortiment)
NTE Sortiment (unser ganzes Sortiment)
Einzel-Halbleiter (ganzes Sortiment)
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