TS2007FC datasheet(6/28 Pages) STMICROELECTRONICS

部件名	TS2007FC

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

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制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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Electrical characteristics

TS2007FC

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3

Electrical characteristics

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

Supply current. No input signal, no load

2.5

4

mA

ICC-STBY

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

1

2

µA

Voo

Output offset voltage. Floating inputs, RL = 8 Ω

25

mV

Po

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

2.3

1.4

3

1.75

W

THD + N

Total harmonic distortion + noise

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

0.12

%

Efficiency

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

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

86

92

%

PSRR

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

68

65

dB

CMRR

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

20 Hz < F< 20 kHz, Gain = 6 dB,

ΔVICM = 200 mVpp

60

dB

Gain

Gain value, Gs = 0 V

Gain value, GS = VCC

11.5

5.5

12

6

12.5

6.5

dB

Zin

Single ended input impedance (3)

68

75

82

k

Ω

FPWM

Pulse width modulator base frequency

190

280

370

kHz

SNR

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

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

93

dB

tWU

Wake-up time

1

3

ms

tSTBY

Standby time

1

ms

VN

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)

87

60

83

58

106

77

101

75

µVrms

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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