NTE1517 Datasheet, PDF (1/2 Pages) NTE Electronics – Integrated Circuit Dual Audio Preamp w/ ALC

NTE1517
Integrated Circuit
Dual Audio Preamp w/ ALC
Description:
The NTE1517 is an integrated circuit consisting of a dual preamplifier with ALC. It is designed for use
in stereo equipment or radio−cassette recorders. The device consists of two independent high−gain,
low−distortion amplifiers and ALC on a single chip. By using an external switch, the NTE1517 can be
used as a stereo preamplifier with good channel balance.
Features:
D Low Noise: V_NI = 1μVrms (R_g = 620Ω, BW = 20Hz to 20kHz)
D High Gain: G_VO = 80dB typ.
D Low Distortion: THD = 0.1% typ. (G_VC = 46dB, V_O = 0.3Vrms)
D Low Supply Current: 6mA typ.
D Built−in Circuit to Reduce Shock−Noise at Switch−On
D Does not require an Input Coupling Capacitor
Absolute Maximum Ratings: (T_A = +25°C unless otherwise specified)
Supply Voltage, V_CC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V
Circuit Current, I_CC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27mA
Power Dissipation, P_D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 650mW
Thermal Derating (T_A ≥ 25°C), Kθ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.5mW/°C
Operating Temperature Range, T_opr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −20° to +75°C
Storage Temperature Range, T_stg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −40° to +125°C
Electrical Characteristics: (T_A = +25°C, f = 1kHz, R_g = 620Ω, V_CC = 9V, unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Circuit Current
Open Loop Voltage Gain
I_CCO
G_VO
Quiescent
V_O = 0.3Vrms
3 6 10 mA
V_CO = 5V
67 77 −
dB
V_CO = 9V
67 80 −
dB
V_CO = 12V 67 81 −
dB
Total Harmonic Distortion
Closed Loop Voltage Gain
Input Resistance
THD
G_VC
R_i
V_O = 0.3Vrms
− 0.1 0.5 %
44 46 48 dB
17 27 38 kΩ
Max. Output Voltage
Output Noise Voltage
V_OM THD = 3%
N_O BW = 20Hz to 20kHz
1.3 2.0 − Vrms
− 210 650 μVrms
ALC Distortion
ALC Balance
THD_ALC V_i = −40dBv
ΔV_ALC V_i = −40dBv, −10dBv
− 0.2 1.2 %
− 0 2.5 dB
ALC Range
ALC THD = 10%
40 55 −
dB