NTE1085
Integrated Circuit
Low Noise Audio Preamp
Features:
D
Low Noise: V
NI
= 0.8碌V
rms(Typ)
D
High Open Loop Voltage Gain: G
VO
= 92dB (Typ)
D
Low Distortion: THD = 0.1% (Max) at V
OUT
= 7V
rms
, G
V
= 40dB, f= 1kHz
Absolute Maximum Ratings:
(T
A
= +25擄C unless otherwise specified)
Supply Voltage, V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42V
Power Dissipation, P
D
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400mW
Derate Above 25擄C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4mW/擄C
Operating Temperature Range, T
opr
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?0擄 to +75擄C
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?5擄 to +125擄C
Electrical Characteristics:
(V
CC
= 35V, T
A
= +25擄C unless otherwise specified)
Parameter
Supply Current
Voltage Gain
Open Loop
Closed Loop
Maximum Output Voltage
Equivalent Input Noise Voltage
Symbol
I
CC
G
VO
G
V
V
OM
V
NI
V
IN
= 0
V
IN
= 鈥?5dBm, f = 1kHz
V
OUT
= 7V
rms
, f = 1kHz
f = 1kHz, THD = 0.1%
RIAA Equalizer, R
g
= 2.2k鈩? f = 1kHz
Test Conditions
Min
鈥?/div>
87
38
7.0
鈥?/div>
Typ
3.5
92
40
9.0
0.8
Max
6.0
鈥?/div>
42
鈥?/div>
1.8
Unit
mA
dB
dB
V
rms
碌V
rms
1
2
