參數(shù)資料
型號(hào): AD1939YSTZRL
廠商: Analog Devices Inc
文件頁數(shù): 27/32頁
文件大?。?/td> 0K
描述: IC CODEC 24BIT ADC/DAC 64-LQFP
標(biāo)準(zhǔn)包裝: 1,500
類型: 通用
數(shù)據(jù)接口: 串行
分辨率(位): 24 b
ADC / DAC 數(shù)量: 4 / 8
三角積分調(diào)變:
S/N 比,標(biāo)準(zhǔn) ADC / DAC (db): 94 / 94
動(dòng)態(tài)范圍,標(biāo)準(zhǔn) ADC / DAC (db): 105 / 110
電壓 - 電源,模擬: 3 V ~ 3.6 V
電壓 - 電源,數(shù)字: 3 V ~ 3.6 V
工作溫度: -40°C ~ 105°C
安裝類型: 表面貼裝
封裝/外殼: 64-LQFP
供應(yīng)商設(shè)備封裝: 64-LQFP(10x10)
包裝: 帶卷 (TR)
AD1939
Data Sheet
Rev. E | Page 4 of 32
Parameter
Conditions/Comments
Min
Typ
Max
Unit
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
REGULATOR
Input Supply Voltage
VSUPPLY pin
4.5
5
5.5
V
Regulated Output Voltage
VSENSE pin
3.19
3.37
3.55
V
Specifications measured at a case temperature of 125°C.
Table 2.
Parameter
Conditions/Comments
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)
93
102
dB
With A-Weighted Filter (RMS)
96
104
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)
101
107
dB
With A-Weighted Filter (RMS)
104
110
dB
With A-Weighted Filter (Average)
112
dB
Total Harmonic Distortion + Noise
0 dBFS
Two channels running
94
dB
Eight channels running
86
70
dB
Full-Scale Output Voltage
1.76 (4.96)
V rms (V p-p)
Gain Error
10
+10
%
Interchannel Gain Mismatch
0.2
+0.2
dB
Offset Error
25
6
+25
mV
Gain Drift
30
+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
REGULATOR
Input Supply Voltage
VSUPPLY pin
4.5
5
5.5
V
Regulated Output Voltage
VSENSE pin
3.2
3.43
3.65
V
CRYSTAL OSCILLATOR SPECIFICATIONS
Table 3.
Parameter
Min
Typ
Max
Unit
Transconductance
3.5
mmhos
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