参数资料
型号: AD9709ASTZ
厂商: Analog Devices Inc
文件页数: 23/32页
文件大小: 0K
描述: IC DAC 8BIT DUAL 125MSPS 48-LQFP
产品培训模块: Data Converter Fundamentals
DAC Architectures
标准包装: 1
系列: TxDAC+®
设置时间: 35ns
位数: 8
数据接口: 并联
转换器数目: 2
电压电源: 模拟和数字
功率耗散(最大): 450mW
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 48-LQFP
供应商设备封装: 48-LQFP(7x7)
包装: 托盘
输出数目和类型: 4 电流,单极;4 电流,双极
采样率(每秒): 125M
产品目录页面: 785 (CN2011-ZH PDF)
配用: AD9709-EBZ-ND - BOARD EVAL FOR AD9709
AD9709
Rev. B | Page 3 of 32
SPECIFICATIONS
DC SPECIFICATIONS
TMIN to TMAX, AVDD = 3.3 V or 5 V, DVDD1 = DVDD2 = 3.3 V or 5 V, IOUTFS = 20 mA, unless otherwise noted.
Table 1.
Parameter
Min
Typ
Max
Unit
RESOLUTION
8
Bits
DC ACCURACY1
Integral Linearity Error (INL)
0.5
±0.1
+0.5
LSB
Differential Nonlinearity (DNL)
0.5
±0.1
+0.5
LSB
ANALOG OUTPUT
Offset Error
0.02
+0.02
% of FSR
Gain Error Without Internal Reference
2
±0.25
+2
% of FSR
Gain Error with Internal Reference
5
+1
+5
% of FSR
Gain Match
TA = 25°C
0.3
±0.1
+0.3
% of FSR
TMIN to TMAX
1.6
+1.6
% of FSR
TMIN to TMAX
0.14
+0.14
dB
Full-Scale Output Current2
20.0
mA
Output Compliance Range
1.0
+1.25
V
Output Resistance
100
Output Capacitance
5
pF
REFERENCE OUTPUT
Reference Voltage
1.14
1.20
1.26
V
Reference Output Current3
nA
REFERENCE INPUT
Input Compliance Range
0.1
1.25
V
Reference Input Resistance
1
Small-Signal Bandwidth
0.5
MHz
TEMPERATURE COEFFICIENTS
Offset Drift
0
ppm of FSR/°C
Gain Drift Without Internal Reference
±50
ppm of FSR/°C
Gain Drift with Internal Reference
±100
ppm of FSR/°C
Reference Voltage Drift
±50
ppm/°C
POWER SUPPLY
Supply Voltages
AVDD
3
5
5.5
V
DVDD1, DVDD2
2.7
5
5.5
V
Analog Supply Current (IAVDD)
71
75
mA
Digital Supply Current (IDVDD)4
5
7
mA
Digital Supply Current (IDVDD)5
15
mA
Supply Current Sleep Mode (IAVDD)
8
12
mA
Power Dissipation4 (5 V, IOUTFS = 20 mA)
380
410
mW
Power Dissipation5 (5 V, IOUTFS = 20 mA)
420
450
mW
Power Dissipation6 (5 V, IOUTFS = 20 mA)
450
mW
Power Supply Rejection Ratio7—AVDD
0.4
+0.4
% of FSR/V
Power Supply Rejection Ratio7—DVDD1, DVDD2
0.025
+0.025
% of FSR/V
OPERATING RANGE
40
+85
°C
1 Measured at IOUTA, driving a virtual ground.
2 Nominal full-scale current, IOUTFS, is 32 times the IREF current.
3 An external buffer amplifier with input bias current <100 nA should be used to drive any external load.
4 Measured at fCLK = 25 MSPS and fOUT = 1.0 MHz.
5 Measured at fCLK = 100 MSPS and fOUT = 1 MHz.
6 Measured as unbuffered voltage output with IOUTFS = 20 mA and RLOAD = 50 Ω at IOUTA and IOUTB, fCLK = 100 MSPS, and fOUT = 40 MHz.
7 ±10% power supply variation.
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