TS482_05 Datasheet, PDF (4/26 Pages) STMicroelectronics – 100mW Stereo Headphone Amplifier

Electrical Characteristics
TS482
Table 4.
Symbol
Electrical characteristics when V_CC = +3.3V, GND = 0V, T_amb = 25°C (unless
otherwise specified) ⁽¹⁾
Parameter
Min. Typ. Max. Unit
I_CC
Supply Current
No input signal, no load
V_IO Input Offset Voltage (V_ICM = V_CC/2)
I_IB
Input Bias Current (V_ICM = V_CC/2)
Output Power
THD+N = 0.1% Max, F = 1kHz, R_L = 32Ω
P_O
THD+N = 1% Max, F = 1kHz, R_L = 32Ω
23
THD+N = 0.1% Max, F = 1kHz, R_L = 16Ω
THD+N = 1% Max, F = 1kHz, R_L = 16Ω
36
THD + N
Total Harmonic Distortion + Noise (A_v=-1) ⁽¹⁾
R_L = 32Ω, P_out = 16mW, 20Hz ≤F ≤20kHz
R_L = 16Ω, P_out = 35mW, 20Hz ≤F ≤20kHz
PSRR ^{Power Supply Rejection Ratio (Av=1), inputs floating}
F = 100Hz, Vripple = 100mVpp
Max Output Current
I_O
THD +N < 1%, R_L = 16Ω connected between out and V_CC/2 64
Output Swing
V_OL: R_L = 32Ω
V_O
V_OH: R_L = 32Ω
V_OL: R_L = 16Ω
V_OH: R_L = 16Ω
2.85
2.68
Signal-to-Noise Ratio (Filter Type A, A_v=-1)
SNR
R_L = 32Ω, THD +N < 0.2%, 20Hz ≤F ≤20kHz
92
Crosstalk
Channel Separation, R_L = 32Ω
F = 1kHz
F = 20Hz to 20kHz
Channel Separation, R_L = 16Ω
F = 1kHz
F = 20Hz to 20kHz
C_I
Input Capacitance
GBP Gain Bandwidth Product (R_L = 32Ω)
1.2
SR Slew Rate, Unity Gain Inverting (R_L = 16Ω)
0.45
1. Fig. 68 to 79 show dispersion of these parameters.
5.3
1
200
27
28
38
42
0.03
0.03
80
75
0.3
3
0.45
2.85
107
100
80
100
80
1
2
0.7
7.2 ^mA
5 mV
500 nA
mW
%
dB
mA
0.38
V
0.52
dB
dB
pF
MHz
V/µs
1. All electrical values are guaranteed with correlation measurements at 2V and 5V.
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