NTE NTE944M, NTE944 Datasheet
NTE944 & NTE944M
Integrated Circuit
Programmable Operational Amplifier
Description:
The NTE944 (8–Lead Metal Can) and NTE944M (8–Lead MiniDIP) are extremely versatile program mable monolithic o perational amplifiers. A s ingle external master b ias current setting r esistor programs
the input b ias c urrent, i nput o ffset c urrent, quiescent power c onsumption, s lew r ate, i nput n oise, a nd t he
gain–bandwidth product. These devices are truly general purpose operational amplifiers.
Features:
D ±1V to ±18V power supply operation
D 3nA input offset current
D Standby power consumption as low as 500mW
D No frequency compensation required
D Programmable electrical characteristics
D Offset voltage nulling capability
D Can be powered by two flashlight batteries
D Short circuit protection
Absolute Maximum Ratings:
Supply Voltage ±18V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Dissipation (Note 1) 500mW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Differential Input Voltage ±30V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input Voltage (Note 2) ±15V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
I
Current 150µA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SET
Output Short Circuit Duration Indefinite. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Temperature Range 0° ≤ T
Storage Temperature Range –65° to +150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lead Temperature (Soldering, 10sec) +300°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Note 1. The maximum junction temperature of the NTE944 is 100°C. F or o perating a t elevated tem-
peratures, the NTE944 must be derated based on a thermal resistance of 150°C/W junction
to ambient, o r 45°C/W j unction t o c ase. T he t hermal r esistance o f t he N TE944M i s + 125°C/W.
Note 2. For s upply v oltages l ess t han ±15V , t he a bsolute m aximum i nput v oltage i s e qual t o t he s upply
voltage.
≤ +70°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A
Electrical Characteristics: (0° ≤ TA ≤+70°C, unless otherwise specified)
I
= 1µA I
Parameter Test Conditions
SET
Min Max Min Max
SET
= 10µA
Unit
V
OS
VS = ±1.5V TA = +25°C, RS ≤ 100kΩ – 5 – 6 mV
VS = ±15V – 5 – 6 mV
VS = ±1.5V RS ≤ 10kΩ – 6.5 – 7.5 mV
VS = ±15V – 6.5 – 7.5 mV
I
OS
VS = ±1.5V TA = +25°C – 6 – 20 nA
VS = ±15V – 6 – 20 nA
VS = ±1.5V – 8 – 25 nA
VS = ±15V – 8 – 25 nA
I
bias
VS = ±1.5V TA = +25°C – 10 – 75 nA
VS = ±15V – 10 – 75 nA
VS = ±1.5V – 10 – 80 nA
VS = ±15V – 10 – 80 nA
Large Signal Voltage Gain VS = ±1.5V TA = +25°C, RL ≤ 100kΩ 25k – – –
VO = ±0.6V, RL ≤ 10kΩ – – 25k –
VS = ±15V TA = +25°C, RL ≤ 100kΩ 60k – – –
VO = ±10V, RL ≤ 10kΩ – – 60k –
VS = ±1.5V VO = ±0.5V, RL = 100kΩ 25k – – –
RL = 10kΩ – – 25k –
VS = ±15V VO = ±10V, RL = 100kΩ 50k – – –
RL = 10kΩ – – 50k –
Supply Current VS = ±1.5V TA = +25°C – 8 – 90 µA
VS = ±15V – 11 – 100 µA
VS = ±1.5V – 8 – 90 µA
VS = ±15V – 11 – 100 µA
Power Consumption VS = ±1.5V TA = +25°C – 24 – 270 µW
VS = ±15V – 330 – 3k µW
VS = ±1.5V – 24 – 270 µW
VS = ±15V – 330 – 3k µW
Output Voltage Swing VS = ±1.5V RL = 100kΩ ±0.6 – – – V
RL = 10kΩ – – ±0.6 – V
VS = ±15V RL = 100kΩ ±12 – – – V
RL = 10kΩ – – ±12 – V
Common Mode Rejection Ratio VS = ±1.5V RS ≤ 10kΩ 70 – 70 – dB
VS = ±15V 70 – 70 – dB
Supply Voltage Rejection Ratio VS = ±1.5V RS ≤ 10kΩ 74 – 74 – dB
VS = ±15V 74 – 74 – dB
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