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AD1848 Datasheet(PDF) 2 Page - Analog Devices

No. de pieza AD1848
Descripción Electrónicos  Parallel-Port 16-Bit SoundPort Stereo Codec
PDF  28 Pages
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Fabricante Electrónico  AD [Analog Devices]
Página de inicio  http://www.analog.com
Logo AD - Analog Devices

AD1848 Datasheet(HTML) 2 Page - Analog Devices

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AD1848K–SPECIFICATIONS
REV. 0
–2–
STANDARD TEST CONDITIONS UNLESS
OTHERWISE NOTED
Temperature
25
°C
Digital Supply (VDD)
5.0
V
Analog Supply (VCC)
5.0
V
Word Rate (FS)
48
kHz
Input Signal
1008
Hz
Analog Output Passband
20 Hz to 20 kHz
ADC FFT Size
2048
DAC FFT Size
8192
VIH
2.4
V
VIL
0.8
V
VOH
2.4
V
VOL
0.4
V
ANALOG INPUT
Min
Typ
Max
Units
Input Voltage (RMS Values Assume Sine Wave Input)
Line
1
V rms
2.6
2.8
3.0
V p-p
Mic with +20 dB Gain (MGE = 1)
0.1
V rms
0.26
0.28
0.3
V p-p
Mic with 0 dB Gain (MGE = 0)
1
V rms
2.6
2.8
3.0
V p-p
Input Impedance
20
k
Ω
Input Capacitance
15
pF
PROGRAMMABLE GAIN AMPLIFIER—ADC
Min
Typ
Max
Units
Step Size (0 dB to 22.5 dB)
1.3
1.5
1.7
dB
(All Steps Tested, –30 dB Input)
PGA Gain Range Span*
21.5
22.5
23.5
dB
AUXILIARY INPUT ANALOG AMPLIFIERS/ATTENUATORS
Min
Typ
Max
Units
Step Size (+12.0 dB to –33.0 dB)
1.3
1.5
1.7
dB
(All Steps Tested, –14.5 dB Input)
Auxiliary Gain/Attenuation Range Span*
45.5
46.5
47.5
dB
DAC Input Conditions
Post-Autocalibrated
0 dB Attenuation
–2.0 dB Relative to Full Scale
16-Bit Linear Mode
No Output Load
Mute Off
ADC Input Conditions
Post-Autocalibrated
0 dB Gain
–3.0 dB Relative to Full Scale
Line Input
16-Bit Linear Mode



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