NTE NTE891M, NTE891SM Datasheet

NTE891M & NTE891SM

Integrated Circuit

Dual Audio Operational Amplifier

Description:

The NTE891M and NTE891SM are dual general purpose operational amplifiers designed with partic­ular emphasis on performance in audio systems. Thiese devices deliver low noise, high speed and
wide bandwidth without increasing external components for all closed loop gains and is therefore opti­mized for all preamp and high level stages in PCM and HiFi systems.

Features:

D Wide Dynamic Range
D Low Input Noise Voltage
D High Slew Rate
D High Gain Bandwidth Product
D Wide Power Bandwidth
D Low Distortion
D Low Offset Voltage
D Large Phase Margin
D Available in 8–Lead Mini DIP (NTE891M) and Surface Mount SOIC–8 (NTE891SM)

Absolute Maximum Ratings:

Supply Voltage, V
Differential Input Voltage (Note 1), V
Input Voltage Range (Note 1), V
Power Dissipation (Note 2), P
Operating Temperature Range, T
Storage Temperature Range, T
Lead Soldering Temperature (10 seconds), T

CC

– V

EE

ID

IC

D

opr

stg

L

Note 1. If supply voltage is less than ±15V, it is equal to supply voltage.
Note 2. This is a permissible value at T

≤ +85°C.

A

36V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

±30V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

±15V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

500mW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

–40° to +85°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

–60° to +150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

+260°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

DC Electrical Characteristics: (TA = +25°C, VS = ±15V, unless otherwise specified)

Parameter Symbol Test Conditions Min Typ Max Unit

Input Offset Voltage V
Input Offset Current I
Input Bias Current I
Voltage Gain A
Output Voltage Swing V

OS

OS

B

OM

RS = 10Ω – 0.3 5 mV

– 10 200 nA
– 500 1000 nA

RL = 2kΩ, VO = ±10V 90 110 – dB

V

RL = 10kΩ ±12 ±13.5 –

V

RL = 2kΩ ±10 ±13.4 –

Input Common–Mode Range V

CM

±12 ±14.0 – V
Common–Mode Rejection Ratio CMRR VIN = ±12V 80 100 – dB
Power Supply Rejection Ratio PSRR VS = 15V to 5V, –15V to –5V 80 100 – dB
Supply Current I

Q

VO = 0V, Both Amps – 5 8 mA

AC Electrical Characteristics: (TA = +25°C, VS = ±15V, RL = 2kΩ, unless otherwise specified)

Parameter Symbol Test Conditions Min Typ Max Unit

Slew Rate SR RL = 2kΩ 5 7 – V/µs
Gain Bandwidth Product GBW f = 100kHz 10 15 – MHz
Average Temperature

∆VOS/∆T – 2 – µV/°C
Coefficient of Input Offset
Voltage

Distortion THD RL = 2kΩ, f = 20 ∼ 20kHz,

Input Referred Noise Voltage e
Input Referred Noise Current i

= 3V

V

OUT

RS = 100Ω, f = 1kHz – 4.5 – nV/√Hz

n

n

f = 1kHz – 0.7 – pA/√Hz

, AV = 1

rms

Power Bandwidth PBW VO = 27Vpp, RL = 2kΩ,

– 0.002 – %

– 120 – kHz

THD ≤ 1%
Unity Gain Frequency f
Phase Margin φ

U
M

Open Loop – 9 – MHz

Open Loop – 60 – deg
Input Referred Cross Talk f = 20 ∼ 20kHz – –120 – dB