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Fabricante

TS482

100mW Stereo Headphone Amplifier

STMicroelectronics 

Electrical Characteristics

TS482

Table 5.

Symbol

Electrical characteristics when VCC = +2.5V, GND = 0V, Tamb = 25°C (unless

otherwise specified)(2)

Parameter

Min. Typ. Max. Unit

ICC

Supply Current

No input signal, no load

VIO Input Offset Voltage (VICM = VCC/2)

IIB

Input Bias Current (VICM = VCC/2)

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

THD + N

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

RL = 32Ω, Pout = 10mW, 20Hz ≤F ≤20kHz

RL = 16Ω, Pout = 16mW, 20Hz ≤F ≤20kHz

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

F = 100Hz, Vripple = 100mVpp

Max Output Current

IO

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

Output Swing

VOL: RL = 32Ω

VO

VOH: RL = 32Ω

VOL: RL = 16Ω

VOH: RL = 16Ω

SNR

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

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

Channel Separation, RL = 32Ω

F = 1kHz

Crosstalk

F = 20Hz to 20kHz

Channel Separation, RL = 16Ω

F = 1kHz

F = 20Hz to 20kHz

CI

Input Capacitance

GBP Gain Bandwidth Product (RL = 32Ω)

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

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

12.5

17.5

45

2.14

1.97

89

1.2

0.45

5.1 7.2 mA

1

5 mV

200 500 nA

13.5

14.5

mW

20.5

22

0.03

%

0.03

dB

75

mA

56

0.25 0.325

2.25

V

0.35 0.45

2.15

dB

102

100

80

dB

100

80

1

pF

2

MHz

0.7

V/µs

2. All electrical values are guaranteed with correlation measurements at 2V and 5V.

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