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Fabricante

TS482

100mW Stereo Headphone Amplifier

STMicroelectronics 

Electrical Characteristics

TS482

Table 6.

Electrical characteristics when VCC = +2V, GND = 0V, Tamb = 25°C (unless

otherwise specified)

Symbol Parameter

Min. Typ. Max. Unit

ICC

Supply Current

No input signal, no load

5

7.2 mA

VIO Input Offset Voltage (VICM = VCC/2)

1

5 mV

IIB

Input Bias Current (VICM = VCC/2)

200 500 nA

Output Power

THD+N = 0.1% Max, F = 1kHz, RL = 32Ω

PO

THD+N = 1% Max, F = 1kHz, RL = 32Ω

THD+N = 0.1% Max, F = 1kHz, RL = 16Ω

THD+N = 1% Max, F = 1kHz, RL = 16Ω

8

7

9

mW

11.5

9.5 13

THD + N

Total Harmonic Distortion + Noise (Av=-1) (1)

RL = 32Ω, Pout = 6.5mW, 20Hz ≤F ≤20kHz

RL = 16Ω, Pout = 8mW, 20Hz ≤F ≤20kHz

0.02

%

0.025

PSRR Power Supply Rejection Ratio (Av=1), inputs floating

F = 100Hz, Vripple = 100mVpp

dB

75

Max Output Current

IO

THD +N < 1%, RL = 16Ω connected between out and VCC/2 33 41.5

mA

Output Swing

VOL: RL = 32Ω

VO

VOH: RL = 32Ω

VOL: RL = 16Ω

VOH: RL = 16Ω

0.24 0.295

1.67 1.73

V

0.33 0.41

1.53 1.63

SNR

Signal-to-Noise Ratio (Filter Type A, Av=-1)

RL = 32Ω, THD +N < 0.2%, 20Hz ≤F ≤20kHz

dB

88 101

Crosstalk

Channel Separation, RL = 32Ω

F = 1kHz

F = 20Hz to 20kHz

Channel Separation, RL = 16Ω

F = 1kHz

F = 20Hz to 20kHz

100

80

dB

100

80

CI

Input Capacitance

1

pF

GBP Gain Bandwidth Product (RL = 32Ω)

1.2 2

MHz

SR Slew Rate, Unity Gain Inverting (RL = 16Ω)

0.42 0.65

V/µs

1. Fig. 68 to 79 show dispersion of these parameters.

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