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参数资料
| 型号： | AD1838AASZ-REEL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 12/24页 |
| 文件大小： | 0K |
| 描述： | IC CODEC 2ADC/6DAC 24 BIT 52MQFP |
| 标准包装： | 800 |
| 类型： | 立体声音频 |
| 数据接口： | 串行 |
| 分辨率（位）： | 24 b |
| ADC / DAC 数量： | 2 / 6 |
| 三角积分调变： | 是 |
| S/N 比，标准 ADC / DAC (db)： | 105 / 108 |
| 动态范围，标准 ADC / DAC (db)： | 105 / 108 |
| 电压 - 电源，模拟： | 4.5 V ~ 5.5 V |
| 电压 - 电源，数字： | 4.5 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 52-QFP |
| 供应商设备封装： | 52-MQFP（10x10） |
| 包装： | 带卷 (TR) |
REV. A
–2–
AD1838A
TEST CONDITIONS
Supply Voltages (AVDD, DVDD)
5.0 V
Ambient Temperature
25
°C
Input Clock
12.288 MHz (256
fS Mode)
DAC Input Signal
1.0078125 kHz, 0 dBFS (Full Scale)
ADC Input Signal
1.0078125 kHz, –1 dBFS
Input Sample Rate (fS)
48 kHz
Measurement Bandwidth
20 Hz to 20 kHz
Word Width
24 Bits
Load Capacitance
100 pF
Load Impedance
47 k
Performance of all channels is identical (except for the Interchannel Gain Mismatch and Interchannel Phase Deviation speci-
fications).
Parameter
Min
Typ
Max
Unit
ANALOG-TO-DIGITAL CONVERTERS
ADC Resolution
24
Bits
Dynamic Range (20 Hz to 20 kHz, –60 dB Input)
No Filter
100
103
dB
With A-Weighted Filter
105
dB
Total Harmonic Distortion + Noise (THD + N)
48 kHz
–95
–88.5
dB
96 kHz
–95
–87.5
dB
Interchannel Isolation
100
dB
Interchannel Gain Mismatch
0.025
dB
Analog Inputs
Differential Input Range (
± Full Scale)
–2.828
+2.828
V
Common-Mode Input Voltage
2.25
V
Input Impedance
4
k
Input Capacitance
15
pF
VREF
2.25
V
DC Accuracy
Gain Error
±5%
Gain Drift
35
ppm/C
DIGITAL-TO-ANALOG CONVERTERS
DAC Resolution
24
Bits
Dynamic Range (20 Hz to 20 kHz, –60 dBFS Input)
No Filter
103
105
dB
With A-Weighted Filter (48 kHz and 96 kHz)
105
108
dB
Total Harmonic Distortion + Noise (48 kHz and 96 kHz)
–95
–90
dB
Interchannel Isolation
110
dB
DC Accuracy
Gain Error
±4.0
%
Interchannel Gain Mismatch
0.025
dB
Gain Drift
200
ppm/
°C
Interchannel Phase Deviation
±0.1
Degrees
Volume Control Step Size (1023 Linear Steps)
0.098
%
Volume Control Range (Maximum Attenuation)
60
dB
Mute Attenuation
–100
dB
De-emphasis Gain Error
±0.1
dB
Full-Scale Output Voltage at Each Pin (Single-Ended)
1.0 (2.8)
V rms (V p-p)
Output Resistance at Each Pin
180
Common-Mode Output Voltage
2.25
V
ADC DECIMATION FILTER, 48 kHz
*
Pass Band
21.77
kHz
Pass-Band Ripple
±0.01
dB
Stop Band
26.23
kHz
Stop-Band Attenuation
120
dB
Group Delay
910
s
–SPECIFICATIONS
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD1838AS | 制造商:Analog Devices 功能描述:Audio Codec 2ADC / 6DAC 24-Bit 52-Pin MQFP 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| AD1838AS-REEL | 制造商:Analog Devices 功能描述:Audio Codec 2ADC / 6DAC 24-Bit 52-Pin MQFP T/R 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel |
| AD1839 | 制造商:AD 制造商全称:Analog Devices 功能描述:2 ADC, 6 DAC, 96 kHz, 24-Bit sigma-delta Codec |
| AD1839A | 制造商:AD 制造商全称:Analog Devices 功能描述:2 ADC, 6 DAC, 96 kHz, 24-Bit Sigma-Delta Codec |
| AD1839AAS | 制造商:Analog Devices 功能描述:Audio Codec 2ADC / 6DAC 24-Bit 52-Pin MQFP 制造商:Rochester Electronics LLC 功能描述:HIGH PERFORMANCE CODEC I.C. - Bulk 制造商:Analog Devices 功能描述:IC CODEC SMD 1839 MQFP52 |
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