TS2007EKIJT 查看數據表（PDF） - STMicroelectronics

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TS2007EKIJT

3 W filter-free class D audio power amplifier with 6 or 12 dB fixed gain select

STMicroelectronics 

Electrical characteristics

3

Electrical characteristics

TS2007FC

3.1

Electrical characteristics tables

Table 5. VCC = +5 V, GND = 0 V, Vic = 2.5 V, Tamb = 25°C (unless otherwise specified)

Symbol

Parameter

Min. Typ. Max. Unit

ICC

ICC-STBY

Voo

Po

THD + N

Efficiency

PSRR

CMRR

Gain

Zin

FPWM

SNR

tWU

tSTBY

VN

Supply current. No input signal, no load

Standby current (1). No input signal, VSTBY = GND.

Output offset voltage. Floating inputs, RL = 8 Ω

Output power

THD = 1% max, F = 1 kHz, RL = 4 Ω

THD = 1% max, F = 1 kHz, RL = 8 Ω

THD = 10% max, F = 1 kHz, RL = 4 Ω

THD = 10% max, F = 1 kHz, RL = 8 Ω

Total harmonic distortion + noise

Po = 900 mWRMS, G = 6 dB, F= 1 kHz, RL = 8 Ω

Efficiency

Po = 2.3 Wrms, RL = 4 Ω (with LC output filter)

Po = 1.4 Wrms, RL = 8 Ω (with LC output filter)

Power supply rejection ratio with inputs grounded, CIN = 1 µF (2)

F= 217 Hz, RL = 8 Ω, Gain = 6 dB, Vripple = 200 mVpp

F= 217 Hz, RL = 8 Ω, Gain = 12 dB, Vripple = 200 mVpp

Common mode rejection ratio Cin=1 µF, RL = 8 Ω

20 Hz < F< 20 kHz, Gain = 6 dB, ΔVICM = 200 mVpp

Gain value, Gs = 0 V

Gain value, GS = VCC

Single ended input impedance (3)

Pulse width modulator base frequency

Signal-to-noise ratio (A-weighting), F = 1 kHz, Po = 1.9 W

G = 6 dB, RL = 4 Ω (with LC output filter)

Wake-up time

Standby time

Output voltage noise, F = 20 Hz to 20 kHz, RL = 4 Ω

Unweighted (filterless, G = 6 dB)

A-weighted (filterless, G = 6 dB)

Unweighted (with LC output filter, G = 6 dB)

A-weighted (with LC output filter, G = 6 dB)

Unweighted (filterless, G = 12 dB)

A-weighted (filterless, G = 12 dB)

Unweighted (with LC output filter, G = 12 dB)

A-weighted (with LC output filter, G = 12 dB)

2.5 4 mA

1

2 µA

25 mV

2.3

1.4

W

3

1.75

0.12

%

86

%

92

68

dB

65

60

dB

11.5

5.5

12

6

12.5

6.5

dB

68 75 82 kΩ

190 280 370 kHz

93

dB

1

3 ms

1

ms

87

60

83

58

µVrms

106

77

101

75

1. Standby mode is active when VSTBY is tied to GND.

2. Dynamic measurement - 20*log(rms(Vout)/rms(Vripple)). Vripple is the superimposed sinus signal to VCC @ F =217 Hz.

3. Independent of gain configuration (6 or 12 dB) and between IN+ or IN- and GND.

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