STA5100 Datasheet, PDF (5/14 Pages) STMicroelectronics – 140W MONO BASH POWER AMPLIFIER

STA5100
ELECTRICAL CHARACTERISTCS (Test Condition: Vs+ = 26V, Vs- = -22V, V_CD+ = 17V, V_CD- = -17V,
R_L = 4Ω, external components at the nominal value f = 1KHz, Tamb = 25°C unless otherwise specified
Symbol
Parameter
Test Condition
Min. Typ. Max. Unit
PREAMPLIFIER AND COMPRESSOR
V_{out clamp} Maximum Voltage at Out_pre pin
10
11
12 Vpeak
I_in Audio input current
0.8 mA
V_control Voltage at Attack_Release pin
Attenuation = 0dB
Attenuation = 6dB
Attenuation = 26dB
0
V
0.35 0.5 0.65 V
6
9
12
V
VC_{omp_} Input voltage range for the
Th compression
-5
-1
V
Z_th Input impedance of Threshold pin
100
KΩ
Voffset Output Offset at Out_pre pin with: V_CRT= 0V; Attenuation = 0dB
V_CRT= 0.5V; Attenuation = 6dB
V_CRT= 9V; Attenuation = 26dB
-10
-250
-450
10 mV
250 mV
450 mV
THD Distortion at Out_pre:
V_CRT= 0V; Attenuation = 0dB
V_CRT= 0.5V; Attenuation = 6dB
V_CRT= 9V; Attenuation = 26dB
0.01
%
5
%
5
%
EN Noise at Out_pre pin :
V_CRT= 0V; Attenuation = 0dB
V_CRT= 0.5V; Attenuation = 6dB
V_CRT= 9V; Attenuation = 26dB
10⁽²⁾
µV
50
µV
60
µV
I_ct Attack time current at pin
Attack_release
1.5
mA
2. This value is due to the thermal noise of the external resistors R_r and R_i.
TRACKING PARAMETERS
G_trk Tracking reference voltage gain
13
14
15
V
V_{trk_out} Tracking ref. output voltage
0
20
V
I_{trk_out} Current capability
5
6
7
mA
Z_{trk_in} Input impedance (T_rk)
1
MΩ
OUTPUT BRIDGE
G_out Half Output bridge gain
5.5
6
6.5 dB
G_ch Output bridge differential gain
11
12
13
dB
∆G_ch Output bridges gain mismatch
-1
1
dB
P_out Continuous Output Power
THD = 0.5%
THD = 10%
100 110
W
125 140
W
THD Total harmonic distortion of the
output bridge
Po = 5W
f = 20Hz to 20KHz; Po = 50W
0.01
%
0.1
%
V_Off Output bridge D.C. offset
50 mV
EN Noise at Output bridge pins
f = 20Hz to 20KHz; Rg = 50Ω
12
µV
Z_{br_in} Input impedance
100 140 180 KΩ
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