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AD1819B датащи(PDF) 3 Page - Analog Devices

номер детали AD1819B
подробное описание детали  AC??7 SoundPort Codec
PDF  28 Pages
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производитель  AD [Analog Devices]
домашняя страница  http://www.analog.com
Logo AD - Analog Devices

AD1819B датащи(HTML) 3 Page - Analog Devices

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–3–
REV. 0
AD1819B
STANDARD TEST CONDITIONS UNLESS OTHERWISE NOTED
DAC Test Conditions
Temperature
25
°C
Calibrated
Digital Supply (VDD)
5.0
V
0 dB Attenuation
Analog Supply (VCC)
5.0
V
Input 0 dB
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 (AC-Link)
2.0
V
Calibrated
VIL (AC-Link)
0.8
V
0 dB Gain
VIH (CS0, CS1, CHAIN_IN)
4.0
V
Input –3 dB Relative to Full Scale
VIL (CHAIN_CLK)
1.0
V
Line Input Selected
ANALOG INPUT
Parameter
Min
Typ
Max
Units
Input Voltage (RMS Values Assume Sine Wave Input)
LINE_IN, AUX, CD, VIDEO, PHONE_IN, PC_BEEP
1
V rms
2.83
V p-p
MIC1, MIC2 with +20 dB Gain (M20 = 1)
0.1
V rms
0.283
V p-p
MIC1, MIC2 with 0 dB Gain (M20 = 0)
1
V rms
2.83
V p-p
Input Impedance*
10
k
Ω
Input Capacitance*
15
pF
PROGRAMMABLE GAIN AMPLIFIER—ADC
Parameter
Min
Typ
Max
Units
Step Size (0 dB to 22.5 dB)
1.5
dB
PGA Gain Range Span
22.5
dB
ANALOG MIXER— INPUT GAIN/AMPLIFIERS/ATTENUATORS
Parameter
Min
Typ
Max
Units
Dynamic Range (–60 dB Input THD+N, Referenced to Full Scale, A-Weighted)
CD to LINE_OUT
90
dB
Other to LINE_OUT*
90
dB
Step Size (+12 dB to –34.5 dB): (All Steps Tested)
MIC, LINE_IN, AUX, CD, VIDEO, PHONE_IN, DAC
1.5
dB
Input Gain/Attenuation Range
MIC, LINE_IN, AUX, CD, VIDEO, PHONE_IN, DAC
46.5
dB
Step Size (0 dB to –45 dB): (All Steps Tested)
PC_BEEP
3.0
dB
Input Gain/Attenuation Range: PC_BEEP
45
dB
DIGITAL DECIMATION AND INTERPOLATION FILTERS*
Parameter
Min
Typ
Max
Units
Passband
0
0.4
× F
S
Hz
Passband Ripple
±0.09
dB
Transition Band
0.4
× F
S
0.6
× F
S
Hz
Stopband
0.6
× F
S
∞
Hz
Stopband Rejection
–74
dB
Group Delay
12/FS
sec
Group Delay Variation Over Passband
0.0
µs
*Guaranteed, not tested.
Specifications subject to change without notice.
SPECIFICATIONS



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