TLV320AIC1106

SLAS357 − DECEMBER 2001

7

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electrical characteristics over recommended ranges of supply voltage and operating free-air temperature

(unless otherwise noted) (continued)

transmit idle channel noise and distortion, companded mode (

µ-law) selected

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Transmit idle channel noise, psophometrically weighted

MIC Amp 1 configured for 23.5-dB gain

(see Note 8)

−80

−70

dBm0p

MICIN−, MICIN+ to PCMO at 3 dBm0

27

MICIN−, MICIN+ to PCMO at 0 dBm0

30

MICIN−, MICIN+ to PCMO at − 5 dBm0

33

Transmit signal-to-distortion ratio with 1.02-kHz sine-wave

MICIN−, MICIN+ to PCMO at − 10 dBm0

36

dBm0

Transmit signal-to-distortion ratio with 1.02-kHz sine-wave

input

MICIN−, MICIN+ to PCMO at − 20 dBm0

35

dBm0

input

MICIN−, MICIN+ to PCMO at − 30 dBm0

26

MICIN−, MICIN+ to PCMO at − 40 dBm0

24

MICIN−, MICIN+ to PCMO at − 45 dBm0

19

Intermodulation distortion, 2-tone CCITT method, composite

CCITT G.712 (7.1), R2

49

dB

Intermodulation distortion, 2-tone CCITT method, composite

power level, − 13 dBm0

CCITT G.712 (7.2), R2

51

dB

NOTE 8: With recommended impedances and resistor tolerance of 1%

transmit idle channel noise and distortion, linear mode selected

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Transmit idle channel noise, psophometrically weighted

MIC Amp 1 configured for 23.5-dB gain

(see Note 8)

−80

−74

dBm0p

MICIN−, MICIN+ to PCMO at 3 dBm0

40

55

MICIN−, MICIN+ to PCMO at 0 dBm0

50

61

MICIN−, MICIN+ to PCMO at − 5 dBm0

52

62

Transmit signal-to-total distortion ratio with 1.02-kHz

MICIN−, MICIN+ to PCMO at −10 dBm0

56

66

dB

Transmit signal-to-total distortion ratio with 1.02-kHz

sine-wave input

MICIN−, MICIN+ to PCMO at −20 dBm0

52

68

dB

sine-wave input

MICIN−, MICIN+ to PCMO at − 30 dBm0

51

61

MICIN−, MICIN+ to PCMO at − 40 dBm0

43

59

MICIN−, MICIN+ to PCMO at − 45 dBm0

38

55

NOTE 8: With recommended impedances and resistor tolerance of 1%

receive gain and dynamic range, linear or companded (

µ-law) mode selected (see Note 9)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Load = 8

Ω, volume control = −3 dB, PCMI data input to −4 dB level

3.2

Overload-signal level (3 dB)

Load = 16

Ω, volume control = −3 dB, PCMI data input to −2 dB level

4.05

Vpp

Overload-signal level (3 dB)

Load = 32

Ω, volume control = −3 dB, PCMI data input to −1 dB level

4.54

Vpp

Absolute gain error

0 dBm0 input signal, 2.7 V

≤ VDD ≤ 3.3 V

−1

1

dB

Gain error with output level

PCMI to EAROUT−, EAROUT+ at 3 dBm0 to − 40 dBm0

− 0.5

0.5

Gain error with output level

relative to gain at −10 dBm0

PCMI to EAROUT−, EAROUT+ at − 41 dBm0 to − 50 dBm0

−1

1

dB

relative to gain at −10 dBm0

PCMI to EAROUT−, EAROUT+ at − 51 dBm0 to − 55 dBm0

−1.2

1.2

dB

NOTE 9: 1020-Hz input signal at PCMI, output measured differentially between EAROUT− and EAROUT+