參數(shù)資料
型號(hào): EVAL-AD1938AZ
廠商: Analog Devices Inc
文件頁(yè)數(shù): 27/32頁(yè)
文件大?。?/td> 0K
描述: BOARD EVAL FOR AD1938
標(biāo)準(zhǔn)包裝: 1
主要目的: 音頻編解碼器
已用 IC / 零件: AD1938
主要屬性: 24 位,192 kHz,4 ADC: 107dB 動(dòng)態(tài)范圍,8 DAC: 108dB 動(dòng)態(tài)范圍
次要屬性: 分時(shí)復(fù)用(TDM),SPI 接口
已供物品:
AD1938
Data Sheet
Rev. E | Page 4 of 32
Parameter
Conditions
Min
Typ
Max
Unit
Interchannel Isolation
100
dB
Interchannel Phase Deviation
0
Degrees
Volume Control Step
0.375
dB
Volume Control Range
95
dB
De-emphasis Gain Error
±0.6
dB
Output Resistance at Each Pin
100
REFERENCE
Internal Reference Voltage
FILTR pin
1.50
V
External Reference Voltage
FILTR pin
1.32
1.50
1.68
V
Common-Mode Reference Output
CM pin
1.50
V
Specifications measured at a case temperature of 125°C.
Table 2.
Parameter
Conditions
Min
Typ
Max
Unit
ANALOG-TO-DIGITAL CONVERTERS
ADC Resolution
All ADCs
24
Bits
Dynamic Range
20 Hz to 20 kHz, 60 dB input
No Filter (RMS)
95
102
dB
With A-Weighted Filter (RMS)
97
105
dB
Total Harmonic Distortion + Noise
1 dBFS
96
87
dB
Full-Scale Input Voltage (Differential)
1.9
V rms
Gain Error
10
+10
%
Interchannel Gain Mismatch
0.25
+0.25
dB
Offset Error
10
0
+10
mV
DIGITAL-TO-ANALOG CONVERTERS
Dynamic Range
20 Hz to 20 kHz, 60 dB input
No Filter (RMS)
98
104
dB
With A-Weighted Filter (RMS)
100
106
dB
With A-Weighted Filter (Average)
108
dB
Total Harmonic Distortion + Noise
0 dBFS
Single-Ended Version
Two channels running
92
dB
Single-Ended Version
Eight channels running
86
70
dB
Full-Scale Output Voltage
0.8775 (2.482)
V rms (V p-p)
Gain Error
10
+10
%
Interchannel Gain Mismatch
0.2
+0.2
dB
Offset Error
25
4
25
mV
Gain Drift
30
ppm/°C
REFERENCE
Internal Reference Voltage
FILTR pin
1.50
V
External Reference Voltage
FILTR pin
1.32
1.50
1.68
V
Common-Mode Reference Output
CM pin
1.50
V
CRYSTAL OSCILLATOR SPECIFICATIONS
Table 3.
Parameter
Min
Typ
Max
Unit
Transconductance
3.5
mmhos
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