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參數(shù)資料
型號: AD5449YRUZ-REEL7
廠商: Analog Devices Inc
文件頁數(shù): 25/29頁
文件大?。?/td> 0K
描述: IC DAC DUAL 12BIT MULT 16TSSOP
產(chǎn)品培訓模塊: Data Converter Fundamentals
DAC Architectures
標準包裝: 1,000
設置時間: 80ns
位數(shù): 12
數(shù)據(jù)接口: 串行
轉(zhuǎn)換器數(shù)目: 2
電壓電源: 單電源
功率耗散(最大): 3.5µW
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 16-TSSOP(0.173",4.40mm 寬)
供應商設備封裝: 16-TSSOP
包裝: 帶卷 (TR)
輸出數(shù)目和類型: 4 電流,單極;4 電流,雙極
采樣率(每秒): 2.47M
AD5429/AD5439/AD5449
Data Sheet
Rev. E | Page 4 of 28
Parameter1
Min
Typ
Max
Unit
Conditions
Multiplying Feedthrough Error
DAC latches loaded with all 0s, VREF = ±3.5 V
70
dB
1 MHz
48
dB
10 MHz
Output Capacitance
12
17
pF
DAC latches loaded with all 0s
25
30
pF
DAC latches loaded with all 1s
Digital Feedthrough
3
5
nV-sec
Feedthrough to DAC output with CS high and
alternate loading of all 0s and all 1s
Output Noise Spectral Density
25
nV/√Hz
@ 1 kHz
Analog THD
81
dB
VREF = 3. 5 V p-p, all 1s loaded, f = 1 kHz
Digital THD
Clock = 10 MHz, VREF = 3.5 V
100 kHz fOUT
61
dB
50 kHz fOUT
66
dB
SFDR Performance (Wide Band)
AD5449, 65k codes, VREF = 3.5 V
Clock = 10 MHz
500 kHz fOUT
55
dB
100 kHz fOUT
63
dB
50 kHz fOUT
65
dB
Clock = 25 MHz
500 kHz fOUT
50
dB
100 kHz fOUT
60
dB
50 kHz fOUT
62
dB
SFDR Performance (Narrow Band)
AD5449, 65k codes, VREF = 3.5 V
Clock = 10 MHz
500 kHz fOUT
73
dB
100 kHz fOUT
80
dB
50 kHz fOUT
87
dB
Clock = 25 MHz
500 kHz fOUT
70
dB
100 kHz fOUT
75
dB
50 kHz fOUT
80
dB
Intermodulation Distortion
AD5449, 65k codes, VREF = 3.5 V
f1 = 40 kHz, f2 = 50 kHz
72
dB
Clock = 10 MHz
f1 = 40 kHz, f2 = 50 kHz
65
dB
Clock = 25 MHz
POWER REQUIREMENTS
Power Supply Range
2.5
5.5
V
IDD
0.7
A
TA = 25°C, logic inputs = 0 V or VDD
0.5
10
A
TA = 40°C to +125°C, logic inputs = 0 V or VDD
Power Supply Sensitivity
0.001
%/%
VDD = ±5%
1
Guaranteed by design and characterization, not subject to production test.
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