I
參數(shù)資料
型號: AD5445YRUZ
廠商: Analog Devices Inc
文件頁數(shù): 25/29頁
文件大小: 0K
描述: IC DAC 12BIT PARALL IOUT 20TSSOP
產(chǎn)品培訓(xùn)模塊: Data Converter Fundamentals
DAC Architectures
標(biāo)準(zhǔn)包裝: 75
設(shè)置時(shí)間: 80ns
位數(shù): 12
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 1
電壓電源: 單電源
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 20-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 20-TSSOP
包裝: 管件
輸出數(shù)目和類型: 2 電流,單極;2 電流,雙極
采樣率(每秒): 20.4M
產(chǎn)品目錄頁面: 782 (CN2011-ZH PDF)
配用: EVAL-AD5445EBZ-ND - BOARD EVALUATION FOR AD5445
AD5424/AD5433/AD5445
Data Sheet
Rev. D | Page 4 of 28
Parameter
Min
Typ
Max
Unit
Test Conditions
Output Capacitance
IOUT1
12
17
pF
All 0s loaded
25
30
pF
All 1s loaded
IOUT2
22
25
pF
All 0s loaded
10
12
pF
All 1s loaded
Digital Feedthrough
1
nV-s
Feedthrough to DAC output with CS high and
alternate loading of all 0s and all 1s
Analog THD
81
dB
VREF = 3.5 V p-p, all 1s loaded, f = 100 kHz
Digital THD
Clock = 10 MHz, VREF = 3.5 V
50 kHz fOUT
65
dB
Output Noise Spectral Density2
25
nV√Hz
@ 1 kHz
SFDR Performance (Wide Band)
AD5445, 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)
AD5445, VREF = 3.5 V
Clock = 10 MHz
500 kHz fOUT
73
dB
100 kHz fOUT
80
dB
50 kHz fOUT
82
dB
Clock = 25 MHz
500 kHz fOUT
70
dB
100 kHz fOUT
75
dB
50 kHz fOUT
80
dB
Intermodulation Distortion
AD5445, VREF = 3.5 V
Clock = 10 MHz
f1 = 400 kHz, f2 = 500 kHz
65
dB
f1 = 40 kHz, f2 = 50 kHz
72
dB
Clock = 25 MHz
f1 = 400 kHz, f2 = 500 kHz
51
dB
f1 = 40 kHz, f2 = 50 kHz
65
dB
POWER REQUIREMENTS
Power Supply Range
2.5
5.5
V
IDD
0.6
A
TA = 25°C, logic inputs = 0 V or VDD
0.4
5
A
Logic inputs = 0 V or VDD, T= 40°C to +125°C
Power Supply Sensitivity
0.001
%/%
ΔVDD = ±5%
1
Guaranteed by design, not subject to production test.
2
Specification measured with OP27.
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