参数资料
型号: EVAL-AD9838SDZ
厂商: Analog Devices Inc
文件页数: 23/32页
文件大小: 0K
描述: BOARD EVAL FOR AD9838
产品培训模块: Direct Digital Synthesis Tutorial Series (1 of 7): Introduction
Direct Digital Synthesizer Tutorial Series (7 of 7): DDS in Action
Direct Digital Synthesis Tutorial Series (3 of 7): Angle to Amplitude Converter
Direct Digital Synthesis Tutorial Series (6 of 7): SINC Envelope Correction
Direct Digital Synthesis Tutorial Series (4 of 7): Digital-to-Analog Converter
Direct Digital Synthesis Tutorial Series (2 of 7): The Accumulator
标准包装: 1
主要目的: 计时,直接数字合成(DDS)
嵌入式:
已用 IC / 零件: AD9838
主要属性: USB 供电或外部电源
次要属性: SPI 接口
已供物品: 板,线缆,CD,文档
AD9838
Rev. A | Page 3 of 32
SPECIFICATIONS
AVDD = DVDD = 2.3 V to 5.5 V, AGND = DGND = 0 V, TA = TMIN to TMAX, RSET = 6.8 kΩ, RLOAD = 200 Ω for IOUT and IOUTB, unless
otherwise noted.
Table 1.
Parameter1
Min
Typ
Max
Unit
Test Conditions/Comments
SIGNAL DAC SPECIFICATIONS
Resolution
10
Bits
Update Rate
A Grade
5
MSPS
B Grade
16
MSPS
IOUT Full Scale2
3.0
mA
VOUT Maximum
0.6
V
VOUT Minimum
30
mV
Output Compliance3
0.8
V
DC Accuracy
Integral Nonlinearity (INL)
±1
LSB
Differential Nonlinearity (DNL)
±0.5
LSB
DDS SPECIFICATIONS
Dynamic Specifications
Signal-to-Noise Ratio (SNR)
A Grade
63
dB
fMCLK = 5 MHz, fOUT = fMCLK/4096
B Grade
64
dB
fMCLK = 16 MHz, fOUT = fMCLK/4096
Total Harmonic Distortion (THD)
A Grade
64
dBc
fMCLK = 5 MHz, fOUT = fMCLK/4096
B Grade
64
dBc
fMCLK = 16 MHz, fOUT = fMCLK/4096
Spurious-Free Dynamic Range (SFDR)
Wideband (0 to Nyquist)
A Grade
68
dBc
fMCLK = 5 MHz, fOUT = fMCLK/50
B Grade
66
dBc
fMCLK = 16 MHz, fOUT = fMCLK/50
Narrow-Band (±200 kHz)
A Grade
97
dBc
fMCLK = 5 MHz, fOUT = fMCLK/50
B Grade
92
dBc
fMCLK = 16 MHz, fOUT = fMCLK/50
Clock Feedthrough
A Grade
68
dBc
fMCLK = 5 MHz, fOUT = reset
B Grade
65
dBc
fMCLK = 16 MHz, fOUT = reset
Wake-Up Time
1
ms
COMPARATOR
Input Voltage Range
1
V p-p
AC-coupled internally
Input Capacitance
10
pF
Input High-Pass Cutoff Frequency
3
MHz
Input DC Resistance
5
Input Leakage Current
10
μA
OUTPUT BUFFER
Output Rise/Fall Time
12
ns
Using a 15 pF load
Output Jitter
120
ps rms
3 MHz sine wave 0.6 V p-p
VOLTAGE REFERENCE
Internal Reference
1.11
1.18
1.24
V
REFOUT Output Impedance4
1
Reference TC
100
ppm/°C
FSADJUST Voltage
1.14
V
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