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AD74111 Datasheet(PDF) 2 Page - Analog Devices

Part No. AD74111
Description  Low Cost, Low Power Mono Audio Codec
Download  20 Pages
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
Logo AD - Analog Devices

AD74111 Datasheet(HTML) 2 Page - Analog Devices

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REV. 0
–2–
AD74111–SPECIFICATIONS
(AVDD = 2.5 V
± 5%, DVDD2 = 2.5 V ± 5%, DVDD1 = 2.5 V ± 5%, fMCLK = 12.288 MHz,
fS = 48 kHz, TA = TMIN to TMAX, unless otherwise noted.)
Parameter
Conditions
Min
Typ
Max
Unit
ANALOG-TO-DIGITAL CONVERTERS
ADC Resolution
24
Bits
Signal to Noise Ratio (SNR)
fS = 16 kHz
70
77
dB
Dynamic Range
(20 Hz to 20 kHz, –60 dB Input)
No Filter
fS = 48 kHz
85
dB
fS = 16 kHz
78
85
dB
With A-Weighted Filter
fS = 48 kHz
87
dB
Total Harmonic Distortion + Noise
fS = 48 kHz, PGA = 0 dB
–67
dB
fS = 16 kHz
–75
dB
Programmable Input Gain
12
dB
Gain Step Size
3dB
Offset Error
–55
+30
+80
mV
Full-Scale Input Voltage
0.5
V rms
Input Resistance
4k
Input Capacitance
15
pF
Common-Mode Input Volts
1.125
V
Crosstalk
ADC Input Signal = 1.0 kHz,
100
dB
0 dB; DAC Output = DC
DIGITAL-TO-ANALOG CONVERTERS
DAC Resolution
24
Bits
Signal to Noise Ratio (SNR)
fS = 16 kHz
80
89
dB
Dynamic Range
(20 Hz to 20 kHz, –60 dB Input)
No Filter
fS = 48 kHz
93
dB
fS = 16 kHz
84
93
dB
With A-Weighted Filter
fS = 48 kHz
95
dB
Total Harmonic Distortion + Noise
fS = 48 kHz
–88
dB
fS = 16 kHz
–88
–81
dB
dB
DC Accuracy
Offset Error
–75
–10
+50
mV
Gain Error
–0.9
+0.175
+0.8
dB
Volume Control Step Size
(1024 Linear Steps)
0.098
%
Volume Control Range (Max Attenuation)
–60
dB
Mute Attenuation
–100
dB
De-emphasis Gain Error
±0.1
dB
Full-Scale Output Voltage
0.5
V rms
Output Resistance
145
Common Mode Output Volts
1.125
V
Crosstalk
Signal Input ADC = AGND;
95
dB
DAC Output
Level = 1.0 kHz, 0 dB
REFERENCE (Internal)
Absolute Voltage, VREF
1.125
V
VREF TC
50
ppm/
°C


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