NTE NTE1458 Datasheet

Integrated Circuit

Dual Audio Preamp

Absolute Maximum Ratings:

Supply Voltage, V
Supply Current, I
Power Dissipation (TA = +75°C), P
Operating Temperature Range, T
Storage Temperature Range, T

Recommended Operating Condition:

Parameter Symbol Test Conditions Min Typ Max Unit

CC

CC

D

opt

stg

NTE1458

18V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

15mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

270mW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

–30° to +75°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

–40 to +125°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Supply Voltage V

CC

6.0 13.2 17.0 V

Electrical Characteristics: (TA = +25°C, VCC = 13.2V, f = 1kHz, RL = 10kΩ unless otherwise specified)

Parameter Symbol Test Conditions Min Typ Ma x Unit

Quiescent Current I
Open Loop Voltage Gain Aυo υo = 0.3V 78 88 – dB
Voltage Gain Aυ υo = 0.3V, NAB = 45dB – 45 – dB
Maximum Output Voltage V
Total Harmonic Distortion THD υo = 0.3V, NAB = 45dB – 0.13 0.3 %
Input Impedance Z
Equivalent Input Noise Voltage υ

Crosstalk υo = 1V, NAB = 45dB, RG = 2.2kΩ – –65 – dB
Channel Balance υo = 0.3V –0.5 0 +0.5 dB

CC

OM

nin

υi = 0 2.5 3.3 5.5 mA

THD = 1%, NAB = 45dB 1.0 1.6 – V

in

RG = 2.2kΩ, NAB = 45dB,
BPF (15Hz to 30kHz)

50 100 – kΩ

– 1.2 2.0 µV

rms

rms

Pin Connection Diagram

(Front View)

Input Amp 2

8

Feedback

7

Output Amp 2

6

GND

5
4

V
Output Amp 1

3

Feedback

2

Input Amp 1

1

CC

.768 (19.52) Max .118 (3.0) Max

.264

(6.72)

Max

18

.165
(4.2)

Min

.100 (2.54) Typ

.700 (17.78)