LC75056PE

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3

DC Electrical Characteristics at Ta =

40 to 85C, DVSS_1 to 3 = COAVSS1 to 6 =AVB = XVSS = AVCOVSS = 0V

Parameter

Symbol

Conditions and applicable pin

min

typ

max

Unit

Input high level current

IIH

All digital input pin

10

A

Input low level current

IIL

All digital input pin

10

A

Output high level voltage

VOH

IOH = 2mA:

Digital output pin except for DSPIO4,

SDAS

2.4

V

IOH = 4mA:

DSPIO4, SDAS

2.4

V

Output low level voltage

VOL

IOL = 2mA:

Digital output pin except for DSPIO4,

SDAS

0.4

V

IOL = 4mA:

DSPIO4, SDAS

0.4

V

Output OFF leak current

IOFF

Unloaded:

All digital output pin

10

10

A

Crystal oscillator feedback

resistance

Rf

XIN, XOUT

1.0

M



CODEC reference voltage

VREF

ADC_REF, ADC_REF

0.5

AVDD

V

Power supply current

IDDA33

COAVDD1, 2, 3, 4, 5, 6

AVCOAVDD

110

157

mA

IDDD33

DVDD33, XVDD

10

12.5

mA

IDDD15

DVDD_1, 2

120

173

mA

AC Electrical Characteristics

at AVDD = DVDD33 = AVCOVDD = 3.3V, DVSS_1 to 3 = COAVSS1 to 6 =AVB = XVSS = AVCOVSS = 0V

Ta = 25

C, fs = 44.1kHz, signal frequency 1kHz, measurement band = 10Hz to 20kHz

Parameter

Symbol

Conditions and applicable pin

min

typ

max

Unit

(Input selector + ADC)

Full-scale analog input level

0.85

AVDD Vp-p

Analog block input

impedance

20

30

k



Gain setting level

12

+19

dB

Gain setting step

1

dB

Error between gain setting

steps

0.5

+0.5

dB

S/N

w/ A-weighted

90

95

dB

w/o A-weighted

87

92

dB

Dynamic range

w/ A-weighted

90

95

dB

w/o A-weighted

87

92

dB

THD+N

Input condition:

3dBFS

90

80

dB

Cross talk 1

Input condition:

3dBFS, 1kHz

Cross talk between AUX Lch and Rch

when AUX differential input is used.

75

65

dB

Cross talk 2

Input condition:

3dBFS, 1kHz

Other than cross talk1

90

80

dB

(ADC digital filter)

Pass band frequency

0

0.4535

fs

Stop band frequency

0.5465

fs

Pass band ripple

0.04

dB

Stop band attenuation

69

dB

HPF cutoff frequency DC for

offset cancellation

fs: 44.1kHz

0.86

Hz

(Audio DAC)

Full-scale analog output

level

0.85

AVDD Vp-p

S/N

w/ A-weighted

94

100

dB

w/o A-weighted

91

97

dB

Dynamic range

w/ A-weighted

94

100

dB

w/o A-weighted

91

97

dB

THD+N

3dBFS

91

80

dB

Cross talk

Input condition: full-scale, 1kHz

100

85

dB

Mute level

w/ A-weighted

94

100

dB

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