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