TS486 Datasheet, PDF (7/31 Pages) STMicroelectronics – 100mW STEREO HEADPHONE AMPLIFIER WITH STANDBY MODE

TS486-TS487
ELECTRICAL CHARACTERISTICS
V_CC = +2V, GND = 0V, T_amb = 25°C (unless otherwise specified)
Symbol
Parameter
Min.
I_CC
Supply Current
No input signal, no load
I_STANDBY
Standby Current
No input signal, V_STANDBY=GND for TS486, R_L=32Ω
No input signal, V_STANDBY=Vcc for TS487, R_L=32Ω
V_IO
Input Offset Voltage (V_ICM = V_CC/2)
I_IB
Input Bias Current (V_ICM = V_CC/2) ¹⁾
Output Power
THD+N = 0.1% Max, F = 1kHz, R_L = 32Ω
P_O
THD+N = 1% Max, F = 1kHz, R_L = 32Ω
THD+N = 0.3% Max, F = 1kHz, R_L = 16Ω
THD+N = 1% Max, F = 1kHz, R_L = 16Ω
THD + N
Total Harmonic Distortion + Noise (A_v=-1)
R_L = 32Ω, P_out = 6.5mW, 20Hz ≤ F ≤ 20kHz
R_L = 16Ω, P_out = 8mW, 20Hz ≤ F ≤ 20kHz
PSRR
Power Supply Rejection Ratio, inputs grounded ²⁾
(A_v=-1), RL>=16Ω, C_B=1µF, F = 1kHz, Vripple = 200mVpp
I_O
Max Output Current
THD +N ≤ 1%, R_L = 16Ω connected between out and V_CC/2
Output Swing
V_OL : R_L = 32Ω
V_O
V_OH : R_L = 32Ω
V_OL : R_L = 16Ω
V_OH : R_L = 16Ω
SNR
Signal-to-Noise Ratio (A weighted, A_v=-1) ²⁾
(R_L = 32Ω, THD +N < 0.4%, 20Hz ≤ F ≤ 20kHz)
Crosstalk
Channel Separation, R_L = 32Ω, A_v=-1
F = 1kHz
F = 20Hz to 20kHz
Channel Separation, R_L = 16Ω, A_v=-1
F = 1kHz
F = 20Hz to 20kHz
C_I
Input Capacitance
GBP Gain Bandwidth Product (R_L = 32Ω)
SR
Slew Rate, Unity Gain Inverting (R_L = 16Ω)
1. Only for external gain version.
2. Guaranteed by design and evaluation.
7
9.5
52
33
1.67
1.53
80
Typ.
1.7
10
1
90
8
9
12
13
0.3
0.3
57
41
0.24
1.73
0.33
1.63
93
80
76
77
69
1
1.1
0.4
Max.
2.5
1000
200
0.29
0.41
Unit
mA
nA
mV
nA
mW
%
dB
mA
V
dB
dB
pF
MHz
V/µs
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