参数资料
型号: AD5444YRMZ-REEL
厂商: Analog Devices Inc
文件页数: 25/29页
文件大小: 0K
描述: IC DAC 12BIT MULTIPLYING 10-MSOP
产品培训模块: Data Converter Fundamentals
DAC Architectures
标准包装: 3,000
设置时间: 16ns
位数: 12
数据接口: 串行
转换器数目: 1
电压电源: 单电源
功率耗散(最大): 50.5µW
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)
供应商设备封装: 10-MSOP
包装: 带卷 (TR)
输出数目和类型: 2 电流,单极;2 电流,双极
采样率(每秒): 2.7M
AD5444/AD5446
Data Sheet
Rev. E | Page 4 of 28
Parameter
Min
Typ
Max
Unit
Conditions
DYNAMIC PERFORMANCE1
Reference Multiplying Bandwidth
12
MHz
VREF = ±3.5 V, DAC loaded with all 1s
Multiplying Feedthrough Error
VREF = ±3.5 V, DAC loaded with all 0s
72
dB
100 kHz
64
dB
1 MHz
44
dB
10 MHz
Output Voltage Settling Time
VREF = 10 V, RLOAD = 100 , DAC latch alternately
loaded with 0s and 1s
Measured to ±1 mV of FS
100
110
ns
Measured to ±4 mV of FS
24
40
ns
Measured to ±16 mV of FS
16
33
ns
Digital Delay
20
40
ns
Interface delay time
10%-to-90% Settling Time
10
30
ns
Rise and fall time, VREF = 10 V, RLOAD = 100
Digital-to-Analog Glitch Impulse
2
nV-s
1 LSB change around major carry, VREF = 0 V
Output Capacitance
IOUT1
13
pF
DAC latches loaded with all 0s
28
pF
DAC latches loaded with all 1s
IOUT2
18
pF
DAC latches loaded with all 0s
5
pF
DAC latches loaded with all 1s
Digital Feedthrough
0.5
nV-s
Feedthrough to DAC output with CS high and
alternate loading of all 0s and all 1s
Analog THD
83
dB
VREF = 3.5 V p-p, all 1s loaded, f = 1 kHz
Digital THD
Clock = 1 MHz, VREF = 3.5 V
50 kHz fOUT
71
dB
20 kHz fOUT
77
dB
Output Noise Spectral Density
25
nV/√Hz
@ 1 kHz
SFDR Performance (Wide Band)
Clock = 10 MHz, VREF = 3.5 V
50 kHz fOUT
78
dB
20 kHz fOUT
74
dB
SFDR Performance (Narrow Band)
Clock = 1 MHz, VREF = 3.5 V
50 kHz fOUT
87
dB
20 kHz fOUT
85
dB
Intermodulation Distortion
79
dB
f1 = 20 kHz, f2 = 25 kHz, clock = 1 MHz, VREF = 3.5 V
POWER REQUIREMENTS
Power Supply Range, VDD
2.5
5.5
V
Supply Current, IDD
0.4
10
A
TA = 40°C to +125°C, logic inputs = 0 V or VDD
0.6
A
TA = 25°C, logic inputs = 0 V or VDD
Power Supply Sensitivity1
0.001
%/%
VDD = ±5%
1
Guaranteed by design and characterization; not subject to production test.
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