TS4975

Electrical Characteristics

7/33

Table 7.

Symbol

Parameter

Min.

Typ.

Max.

Unit

I

CC

Supply Current

No input signal, no load, Single Ended, Mode 1-4

No input signal, no load, Single Ended, Mode 5-8

No input signal, no load, Phantom Ground, Mode 1-4

No input signal, no load, Phantom Ground, Mode 5-8

3

2

4.6

3.6

4.2

2.8

6.5

5.3

mA

I

STANDBY

Standby Current (SCL and SDA at VCC level)

No input signal

0.6

2

µA

Voo

Output Offset Voltage

No input signal, RL = 32

Ω, Phantom Ground

550

mV

Po

Output Power

THD+N = 1% Max, f = 1kHz, RL = 16

Ω, Single Ended

THD+N = 1% Max, f = 1kHz, RL = 32

Ω, Single Ended

THD+N = 1% Max, f = 1kHz, RL = 16

Ω, Phantom Ground

THD+N = 1% Max, f = 1kHz, RL = 32

Ω, Phantom Ground

92

59

92

59

102

64

98

63

mW

THD + N

Total Harmonic Distortion + Noise, Av = 2dB

RL=32

Ω, Po=50 mW, 20Hz < F < 20kHz, Single Ended

RL=16

Ω, Po=80 mW, 20Hz < F < 20kHz, Single Ended

RL=32

Ω, Po=50 mW, 20Hz < F < 20kHz, Phantom Ground

RL=16

Ω, Po=80 mW, 20Hz < F < 20kHz, Phantom Ground

0.3

0.3

0.3

0.3

%

PSRR

F = 217Hz, RL = 16

Ω, Av = 2 dB

Vripple = 200mVpp, Input Grounded, Cb = 1µF, Single Ended

Output referenced to Phantom Ground

F = 217Hz, RL = 16

Ω, Av = 2 dB

Vripple = 200mVpp, Input Grounded, Cb = 1µF, Single Ended

Output referenced to Ground

1.

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

63

63

dB

Crosstalk

Channel Separation, RL = 32

Ω, Av = 2 dB with Single Ended

F = 1kHZ, Po=50mW

F = 20Hz to 20kHz, Po=50mW

Channel Separation, RL = 32

Ω, Av = 2 dB with Phantom Ground

F = 1kHZ, Po=50mW

F = 20Hz to 20kHz, Po=50mW

103

75

69

69

dB

SNR

Signal To Noise Ratio, A-Weighted, Av=2dB, RL=32

Ω,

Po=62mW

Single Ended

Phantom Ground

95

95

dB

ONoise

Output Noise voltage, A-Weighted, Av=2dB

Single Ended

Phantom Ground

23

23

µVrms

G

Digital Gain Range In1 & In2 to Out1 & Out2

-34

+18

dB

Digital Gain Stepsize

4

dB

Gain error tolerance

-1

+1

dB

Zin

In1 & In2 Input Impedance, All Gain setting

25.5

30

34.5

k

Ω

Twu

Wake up time, Cb=1µF

80

144

ms

Tws

Standby time

1

µs