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AD1849KP 데이터시트(PDF) 2 Page - Analog Devices

부품명 AD1849KP
상세설명  Serial-Port 16-Bit SoundPort Stereo Codec
PDF  28 Pages
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제조업체  AD [Analog Devices]
홈페이지  http://www.analog.com
Logo AD - Analog Devices

AD1849KP 데이터시트(HTML) 2 Page - Analog Devices

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AD1849K–SPECIFICATIONS
REV. 0
–2–
ELECTRICAL SPECIFICATIONS
STANDARD TEST CONDITIONS UNLESS OTHERWISE NOTED
Temperature
25
°C
DAC Input Conditions
Digital Supply (VDD)
5.0
V
0 dB Attenuation
Analog Supply (VCC)
5.0
V
Full-Scale Digital Inputs
Clock (SCLK)
256
FS
16-Bit Linear Mode
Master Mode
256 Bits per Frame
OLB = 1
Word Rate (FS)
48
kHz
ADC Input Conditions
Input Signal
1
kHz
0 dB PGA Gain
Analog Output Passband
20 Hz to 20 kHz
–3.0 dB Relative to Full Scale
VIH
2.4
V
Line Input
VIL
0.8
V
16-Bit Linear Mode
External Load Impedance
10
k
Ω
(Line 0)
All tests are performed on all ADC and DAC channels.
External Load Impedance
48
Ω
(Line 1)
External Load Capacitance
100
pF
(Line 0, 1)
ANALOG INPUT
Min
Typ
Max
Units
Input Voltage*
(RMS Values Assume Sine Wave Input)
Line and Mic with 0 dB Gain
0 94
0.99
1.04
V rms
2.66
2.80
2.94
V p-p
Mic with +20 dB Gain
0.094
0.099
0.104
V rms
0.266
0.280
0.294
V p-p
Input Capacitance
15
pF
*Accounts for Sum of Worst Case Reference Errors and Worst Case Gain Errors.
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*
Line and Mic with 0 dB Gain
–0.2
22.7
dB
Mic with +20 dB Gain
19.8
42.7
dB
DIGITAL DECIMATION AND INTERPOLATION FILTERS*
Min
Max
Units
Passband
0
0.45
× F
S
Hz
Passband Ripple
±0.1
dB
Transition Band
0.45
× F
S
0.55
× F
S
Hz
Stopband
≥0.55 × F
S
Hz
Stopband Rejection
74
dB
Group Delay
30/FS
Group Delay Variation Over Passband
0.0
µs



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