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AD1812JS Fiches technique(PDF) 2 Page - Analog Devices

No de pièce AD1812JS
Description  SoundPort Controller
PDF  20 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
Logo AD - Analog Devices

AD1812JS Fiches technique(HTML) 2 Page - Analog Devices

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REV. 0
–2–
AD1812–SPECIFICATIONS
STANDARD TEST CONDITIONS UNLESS OTHERWISE NOTED
DAC Test Conditions
Temperature
0
°C
Calibrated
Digital Supply (VDD)
5.0
V
0 dB Attenuation
Analog Supply (VCC)
5.0
V
Input Full Scale
16-Bit Linear Mode
Sample Rate (FS)
48
kHz
10 k
Ω Output Load
Input Signal
1008
Hz
Mute Off
Analog Output Passband
20 Hz to 20 kHz
ADC Test Conditions
VIH
2.0
V
Calibrated
0 dB Gain
VIL
0.8
V
Input –1.0 dB Relative to Full Scale
VOH
2.4
V
Line Input Selected
VOL
0.4
V
16-Bit Linear Mode
ANALOG INPUT
Parameter
Min
Typ
Max
Units
Input Voltage (RMS Values Assume Sine Wave Input)
LINE, AUX1, MONO_IN, AUX2, DACIN
1
V rms
2.55
2.83
3.11
V p-p
MIC with +20 dB Gain (MGE = 1)
0.1
V rms
0.250
0.283
0.316
V p-p
MIC with 0 dB Gain (MGE = 0)
1
V rms
2.55
2.83
3.11
V p-p
Input Impedance*
10
17
k
Ω
Input Capacitance*
15
pF
PROGRAMMABLE GAIN AMPLIFIER—ADC
Parameter
Min
Typ
Max
Units
Step Size (0 dB to 22.5 dB)
1.3
1.5
1.7
dB
(All Steps Tested)
PGA Gain Range Span
21.5
22.5
23.5
dB
AUXILIARY, LINE, MICROPHONE AND MONO INPUT ANALOG GAIN/AMPLIFIERS/ATTENUATORS
Parameter
Min
Typ
Max
Units
Step Size: AUX1, AUX2, DACIN, LINE, MIC (All Steps Tested)
(+12 dB to –30 dB)
1.25
1.5
1.75
dB
(–31.5 dB to –34.5 dB)
1
1.5
2.0
dB
Input Gain/Attenuation Range: AUX1, AUX2, DACIN, LINE, MIC
45.0
46.5
47.5
dB
Step Size: MONO_IN (All Steps Tested)
(0 dB to –39 dB)
2.5
3.0
3.6
dB
(–42 dB to –45 dB)
2.2
3.0
3.85
dB
Input Gain/Attenuation Range: MONO_IN
43
45
46
dB
DIGITAL DECIMATION AND INTERPOLATION FILTERS*
Parameter
Min
Typ
Max
Units
Passband
0
0.4
× F
S
Hz
Passband Ripple
±0.1
dB
Transition Band
0.4
× F
S
0.6
× F
S
Hz
Stopband
0.6
× F
S
∞
Hz
Stopband Rejection
74
dB
Group Delay
15/FS
sec
Group Delay Variation Over Passband
0.0
µs
*Guaranteed not tested.
Specifications subject to change without notice.



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