VDD = 2.3 V to 5.5 V, AGND = DGND = 0 V, TA
參數(shù)資料
型號: EVAL-AD9837SDZ
廠商: Analog Devices Inc
文件頁數(shù): 22/28頁
文件大?。?/td> 0K
描述: BOARD EVAL FOR AD9837
產品培訓模塊: 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
標準包裝: 1
主要目的: 計時,直接數(shù)字合成(DDS)
嵌入式:
已用 IC / 零件: AD9837
次要屬性: 圖形用戶界面
已供物品: 板,CD,文檔
Data Sheet
AD9837
Rev. A | Page 3 of 28
SPECIFICATIONS
VDD = 2.3 V to 5.5 V, AGND = DGND = 0 V, TA = TMIN to TMAX, 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
VOUT Maximum
0.645
V
VOUT Minimum
37
mV
Vp-p
0.610
V
VOUT TC
200
ppm/°C
DC Accuracy
Integral Nonlinearity (INL)
±1.0
LSB
Differential Nonlinearity (DNL)
±0.5
LSB
DDS SPECIFICATIONS
Dynamic Specifications
Signal-to-Noise Ratio (SNR)
A Grade
64
dB
fMCLK = 5 MHz, fOUT = fMCLK/4096
B Grade
64
dB
fMCLK = 16 MHz, fOUT = fMCLK/4096
Total Harmonic Distortion (THD)
A Grade
68
dBc
fMCLK = 5 MHz, fOUT = fMCLK/4096
B Grade
68
dBc
fMCLK = 16 MHz, fOUT = fMCLK/4096
Spurious-Free Dynamic Range (SFDR)
Wideband (0 to Nyquist)
A Grade
65
dBc
fMCLK = 5 MHz, fOUT = fMCLK/50
B Grade
65
dBc
fMCLK = 16 MHz, fOUT = fMCLK/50
Narrow-Band (±200 kHz)
A Grade
94
dBc
fMCLK = 5 MHz, fOUT = fMCLK/50
B Grade
97
dBc
fMCLK = 16 MHz, fOUT = fMCLK/50
Clock Feedthrough
67
dBc
Wake-Up Time
1
ms
LOGIC INPUTS
Input High Voltage, VINH
1.7
V
2.3 V to 2.7 V power supply
2.0
V
2.7 V to 3.6 V power supply
2.8
V
4.5 V to 5.5 V power supply
Input Low Voltage, VINL
0.5
V
2.3 V to 2.7 V power supply
0.7
V
2.7 V to 3.6 V power supply
0.8
V
4.5 V to 5.5 V power supply
Input Current, IINH/IINL
10
A
Input Capacitance, CIN
3
pF
POWER SUPPLIES
fMCLK = 16 MHz, fOUT = fMCLK/4096
VDD
2.3
5.5
V
IDD
A Grade
3.7
5.0
mA
IDD code dependent; see Figure 6
B Grade
4.5
5.5
mA
IDD code dependent; see Figure 7
Low Power Sleep Mode
0.5
0.8
mA
DAC powered down (SLEEP1 and
SLEEP12 bits = 11; see Table 15)
1
Operating temperature range is 40°C to +125°C; typical specifications are at 25°C.
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