NTE949
Integrated Circuit
Dual Audio Operational Amplifier/Preamplifier
Description:
The NTE949 consists of two identical high gain OP Amps constructed on a single 8鈥揕ead Metal Can
type package. These three鈥搒tage amplifiers use Class A PNP transistor output stages with uncom-
mitted collectors. This enables a variety of loads to be employed for general purpose applications
from DC to 10MHz, where two high performance operational amplifiers are required. In addition, the
outputs may be wired鈥揙R for use as a dual comparator or they may function as diodes in low thresh-
old rectifying circuits such as absolute value amplifiers and peak detectors.
Features:
D
Single or Dual Supply Operation
D
Low Power Consumption
D
High Gain: 25,000 V/V
D
Large Common Mode Range: +11V, 鈥?3V
D
Excellent Gain Stability vs. Supply Voltage
No Latch鈥揢p
D
Output Short Circuit Protected
Absolute Maximum Ratings:
Supply Voltage, V+, V鈥?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
鹵18V
Internal Power Dissipation (T
A
= +70擄C), P
D
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500mW
Derate Above 70擄C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.8mW/擄C
Input Differential Voltage, V
ID
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
鹵5V
Input Common鈥揗ode Range (Note 1), V
ICR
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
鹵15V
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?5擄 to +150擄C
Operating Temperature Range, T
opr
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0擄 to +70擄C
Lead Temperature (During Soldering, 60s), T
L
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +300擄C
Output Short鈥揅ircuit Duration (T
A
= +25擄C, Note 2), t
OS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30sec
Note 1. For supply voltages less than
鹵15V,
the absolute maximum input voltage is equal to the supply
voltage.
Note 2. Short circuit may be to GND or either supply.
1
2
3
