TS4973

4/9

ELECTRICAL CHARACTERISTICS

V

4)

Symbol

Parameter

Min.

Typ.

Max.

Unit

Supply Current

No input signal, no load

5.5

8

mA

No input signal, Vstdby = Vcc, RL = 8

Ω

1. Standby mode is actived when Vstdby is tied to Vcc

10

1000

nA

Voo

Output Offset Voltage

No input signal, RL = 8

Ω

520

mV

Po

Output Power

THD = 1% Max, f = 1kHz, RL = 8

Ω

350

500

mW

BTL GAIN

GS = Low

input signal Vin = 100mV rms, RL = 8

Ω

5.6

6

6.4

dB

THD + N

Total Harmonic Distortion + Noise

Po = 250mW rms, Gv = 2, 20Hz < f < 20kHz, RL = 8

Ω

0.1

%

PSRR

f = 217Hz, RL = 8

Ω, GS = Low, Vripple = 200mV rms

Input Grounded, Cin = 220nF, Cb = 1µF

2. Dynamic measurements - 20*log(rms(Vout)/rms(Vripple)). Vripple is an added sinus signal to Vcc @ f = 217Hz

50

53

dB

PSRR

f = 217Hz, RL = 8

Ω, GS = Low, Vripple = 200mV rms

Input floating, Cb = 1µF

3. Dynamic measurements - 20*log(rms(Vout)/rms(Vripple)). Vripple is an added sinus signal to Vcc @ f = 217Hz

4. All electrical values are made by correlation between 2.8V and 5V measurements

75

dB

Zin

Input Impedance

GS = Low

37.5

50

62.5

K

Ω

Rfeed

Internal Feedback Resistor

37.5

50

62.5

K

Ω

Φ

M

Phase Margin at Unity Gain

70

Degrees

GM

Gain Margin

20

dB

GBP

Gain Bandwidth Product

2MHz