NTE1221 Datasheet, PDF (1/2 Pages) NTE Electronics – Integrated Circuit Stereo Preamp

NTE1221
Integrated Circuit
Stereo Preamp
Absolute Maximum Ratings: (T_A = +25°C unless otherwise specified)
Maximum Supply Voltage, V_CCmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25V
Collector–Base Voltage (Q1), V_CBO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20V
Collector–Emitter Voltage (Q1), V_CEO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V
Emitter–Base Voltage (Q1), V_EBO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5V
Collector Current (Q1), I_C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25mA
Operating Temperature Range, T_opr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +70°C
Storage Temperature Range, T_stg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –30° to +125°C
Recommended Operatin Conditions: (T_A = +25°C unless otherwise specified)
Recommended Supply Voltage, V_CC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6V
Electrical Characteristics: (T_A = +25°C, V_CC = 6V, f = 1kHz unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Dissipation Current
I₄, I₁₃
– 3.5 6.0 mA
Voltage Gain
VG V_i = 0.5mV
57 61 – dB
Output Voltage
V_O THD = 5%, R_NF = 100Ω
1.0 1.5 – V
Bandwidth
Total Harmonic Distortion
Input Resistance
Output Resistance
BW
THD
r_i
r_o
V_i = 0.5mV, –3dB
V_O = 0.45V, R_NF = 100Ω
– 400 – kHz
– 0.5 0.9 %
– 90 – kΩ
– 1 – kΩ
Crosstalk
CT
– –40 – dB
Noise Voltage Converted to Input
V_NI V_CC = 10V, R_g = 600Ω, NAB 4.8cm/s – 1.0 3.0 µV
Transistor Characteristics
Collector Cutoff Current
Emitter Cutoff Current
I_CBO
I_EBO
V_CB = 15V
V_EB = 4V
– – 1.0 µA
– – 1.0 µA
DC Current Gain
h_FE V_CB = 3V, I_C = 1mA
70 – –
Collector–Emitter Saturation Voltage V_CE(sat) I_C = 1mA, I_C/I_B = 10mA
– 0.5 – V