LC75055PE Просмотр технического описания (PDF) - ON Semiconductor
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LC75055PE Datasheet PDF : 28 Pages
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LC75056PE
DC Electrical Characteristics at Ta = 40 to 85C, DVSS_1 to 3 = COAVSS1 to 6 =AVB = XVSS = AVCOVSS = 0V
Parameter
Input high level current
Input low level current
Output high level voltage
Output low level voltage
Output OFF leak current
Crystal oscillator feedback
resistance
CODEC reference voltage
Power supply current
Symbol
IIH
IIL
VOH
VOL
IOFF
Rf
Conditions and applicable pin
All digital input pin
All digital input pin
IOH = 2mA:
Digital output pin except for DSPIO4,
SDAS
IOH = 4mA:
DSPIO4, SDAS
IOL = 2mA:
Digital output pin except for DSPIO4,
SDAS
IOL = 4mA:
DSPIO4, SDAS
Unloaded:
All digital output pin
XIN, XOUT
VREF
IDDA33
IDDD33
IDDD15
ADC_REF, ADC_REF
COAVDD1, 2, 3, 4, 5, 6
AVCOAVDD
DVDD33, XVDD
DVDD_1, 2
min
typ
10
2.4
max
Unit
10 A
A
V
2.4
V
0.4 V
10
1.0
0.5AVDD
110
10
120
0.4 V
10 A
M
V
157 mA
12.5 mA
173 mA
AC Electrical Characteristics
at AVDD = DVDD33 = AVCOVDD = 3.3V, DVSS_1 to 3 = COAVSS1 to 6 =AVB = XVSS = AVCOVSS = 0V
Ta = 25C, 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
Analog block input
0.85AVDD Vp-p
20
30
k
impedance
Gain setting level
12
+19 dB
Gain setting step
1
dB
Error between gain setting
0.5
+0.5 dB
steps
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
75
65 dB
when AUX differential input is used.
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
0.85AVDD 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
Continued on next page.
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