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參數(shù)資料
| 型號： | AD1849KP |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | Serial-Port 16-Bit SoundPort Stereo Codec |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQCC44 |
| 封裝： | PLASTIC, LCC-44 |
| 文件頁數(shù)： | 2/28頁 |
| 文件大小： | 293K |
| 代理商： | AD1849KP |
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AD1849K–SPECIFICATIONS
ELECTRICAL SPECIFICATIONS
REV. 0
–2–
ST ANDARD T E ST CONDIT IONS UNLE SS OT HE RWISE NOT E D
T emperature
25
Digital Supply (V
DD
)
5.0
Analog Supply (V
CC
)
5.0
Clock (SCLK )
256
Master Mode
256 Bits per Frame
Word Rate (F
S
)
48
Input Signal
1
Analog Output Passband
20 Hz to 20 kHz
V
IH
2.4
V
IL
0.8
External Load Impedance
10
(Line 0)
External Load Impedance
48
(Line 1)
External Load Capacitance
100
(Line 0, 1)
°
C
V
V
F
S
DAC Input Conditions
0 dB Attenuation
Full-Scale Digital Inputs
16-Bit Linear Mode
OLB = 1
ADC Input Conditions
0 dB PGA Gain
–3.0 dB Relative to Full Scale
Line Input
16-Bit Linear Mode
kHz
kHz
V
V
k
All tests are performed on all ADC and DAC channels.
pF
ANALOG INPUT
Min
T yp
Max
Units
Input Voltage*
(RMS Values Assume Sine Wave Input)
Line and Mic with 0 dB Gain
0 94
2.66
0.094
0.266
0.99
2.80
0.099
0.280
1.04
2.94
0.104
0.294
15
V rms
V p-p
V rms
V p-p
pF
Mic with +20 dB Gain
Input Capacitance
*Accounts for Sum of Worst Case Reference Errors and Worst Case Gain Errors.
PROGRAMMABLE GAIN AMPLIFIE R—ADC
Min
T yp
Max
Units
Step Size (0 dB to 22.5 dB)
(All Steps T ested, –30 dB Input)
PGA Gain Range*
Line and Mic with 0 dB Gain
Mic with +20 dB Gain
1.3
1.5
1.7
dB
–0.2
19.8
22.7
42.7
dB
dB
DIGIT AL DE CIMAT ION AND INT E RPOLAT ION FILT E RS*
Min
Max
Units
Passband
Passband Ripple
T ransition Band
Stopband
Stopband Rejection
Group Delay
Group Delay Variation Over Passband
0
0.45
×
F
S
±
0.1
0.55
×
F
S
Hz
dB
Hz
Hz
dB
0.45
×
F
S
≥
0.55
×
F
S
74
30/F
S
0.0
μ
s
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