参数资料
型号: AD5680BRJZ-1500RL7
厂商: Analog Devices Inc
文件页数: 14/20页
文件大小: 0K
描述: IC DAC 18BIT 5V SOT23-8
产品培训模块: Data Converter Fundamentals
DAC Architectures
标准包装: 1
系列: nanoDAC™
设置时间: 80µs
位数: 18
数据接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
转换器数目: 1
电压电源: 单电源
工作温度: -40°C ~ 105°C
安装类型: 表面贴装
封装/外壳: SOT-23-8
供应商设备封装: SOT-23-8
包装: 标准包装
输出数目和类型: 1 电压,单极
配用: EVAL-AD5680EBZ-ND - BOARD EVAL FOR AD5680
其它名称: AD5680BRJZ-1500RL7DKR
Data Sheet
AD5680
SPECIFICATIONS
VDD = 4.5 V to 5.5 V; RL = 2 k to GND; CL = 200 pF to GND; VREF = VDD; all specifications TMIN to TMAX, unless otherwise noted.
Table 1.
B Grade1
Parameter
Min
Typ
Max
Unit
Conditions/Comments
STATIC PERFORMANCE2
Resolution
18
Bits
Relative Accuracy
±32
±64
LSB
Differential Nonlinearity3
±1
LSB
Measured in 50 Hz system bandwidth
±2
LSB
Measured in 300 Hz system bandwidth
Zero-Code Error
2
10
mV
All 0s loaded to DAC register
Full-Scale Error
0.2
1
% FSR
All 1s loaded to DAC register
Offset Error
±10
mV
Gain Error
±1.5
% FSR
Zero-Code Error Drift
±2
V/°C
Gain Temperature Coefficient
±2.5
ppm
Of FSR/°C
DC Power Supply Rejection Ratio
100
dB
DAC code = midscale; V
DD = 5 V ± 10%
OUTPUT CHARACTERISTICS3
Output Voltage Range
0
V
DD
V
Output Voltage Settling Time
80
85
s
to scale change settling to ±8 LSB,
R
L = 2 k; 0 pF < CL < 200 pF
Slew Rate
1.5
V/s
to scale
Capacitive Load Stability
2
nF
R
L = ∞
10
nF
R
L = 2 k
Output Noise Spectral Density4
80
nV/√Hz
DAC code = midscale, 10 kHz
Output Noise (0.1 Hz to 10 Hz)4
25
V p-p
DAC code = midscale
Total Harmonic Distortion (THD)4
80
dB
V
REF = 2 V ± 300 mV p-p, f = 200 Hz
Digital-to-Analog Glitch Impulse
5
nV-s
1 LSB change around major carry
Digital Feedthrough
0.2
nV-s
DC Output Impedance
0.5
Short-Circuit Current4
30
mA
V
DD = 5 V
REFERENCE INPUT
Reference Current
40
75
A
V
REF = VDD = 5 V
Reference Input Range5
0.75
V
DD
V
Reference Input Impedance
125
k
LOGIC INPUTS3
Input Current
±2
A
All digital inputs
V
INL, Input Low Voltage
0.8
V
DD = 5 V
V
INH, Input High Voltage
2
V
DD = 5 V
Pin Capacitance
3
pF
POWER REQUIREMENTS
V
DD
4.5
5.5
V
All digital inputs at 0 V or V
DD
I
DD (Normal Mode)
DAC active and excluding load current
V
DD = 4.5 V to 5.5 V
325
450
μA
V
IH = VDD and VIL = GND
POWER EFFICIENCY
I
OUT/IDD
85
%
I
LOAD = 2 mA, VDD = 5 V
1 Temperature range for B version is 40°C to +105°C, typical at +25°C.
2 DC specifications tested with the outputs unloaded, unless otherwise stated. Linearity calculated using a reduced code range of 2048 to 260,096.
3 Guaranteed by design and characterization; not production tested.
4 Output unloaded.
5 Reference input range at ambient where maximum DNL specification is achievable.
Rev. B | Page 3 of 20
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