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参数资料
| 型号： | AD5025BRUZ-REEL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 23/28页 |
| 文件大小： | 0K |
| 描述： | IC DAC DUAL 12BIT SPI 14TSSOP |
| 产品培训模块： | Data Converter Fundamentals DAC Architectures |
| 标准包装： | 1 |
| 系列： | nanoDAC™ |
| 设置时间： | 5.8µs |
| 位数： | 12 |
| 数据接口： | 串行，SPI? |
| 转换器数目： | 2 |
| 电压电源： | 单电源 |
| 功率耗散（最大）： | 13.5mW |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 14-TSSOP |
| 包装： | 标准包装 |
| 输出数目和类型： | 2 电压，单极；2 电压，双极 |
| 采样率（每秒）： | * |
| 其它名称： | AD5025BRUZ-REEL7DKR |
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AD5025/AD5045/AD5065
Rev. 0 | Page 4 of 28
Parameter
B Grade1
A Grade1, 2
Unit
Conditions/Comments
Min
Typ
Max
Min
Typ
Max
LOGIC INPUTS
Input Current5
±1
μA
Input Low Voltage, VINL
0.8
V
Input High Voltage, VINH
2.2
V
Pin Capacitance4
4
pF
LOGIC OUTPUTS (SDO)3, 4
Output Low Voltage, VOL
0.4
V
ISINK = 2 mA
Output High Voltage, VOH
VDD 1
ISOURCE = 2 mA
High Impedance Leakage
±0.002
±1
±0.002
±1
μA
High Impedance Output
Capacitance
7
pF
POWER REQUIREMENTS
VDD
4.5
5.5
4.5
5.5
V
DAC active, excludes load current
Normal Mode
2.2
2.7
2.2
2.7
mA
VIH = VDD and VIL = GND
All Power-Down Modes7
0.4
2
0.4
2
μA
TA = 40°C to +105°C
30
μA
TA = 40°C to +125°C
1 Temperature range is 40°C to +125°C, typical at 25°C.
2 A grade offered in AD5065 only.
3 Linearity calculated using a reduced code range—AD5065: Code 512 to Code 65,024; AD5045: Code 128 to Code 16,256; AD5025: Code 32 to Code 4064. Output
unloaded.
4 Guaranteed by design and characterization; not production tested.
5 Current flowing into or out of individual digital pins.
6 Interface inactive. All DACs active. DAC outputs unloaded.
7 Both DACs powered down.
AC CHARACTERISTICS
VDD = 4.5 V to 5.5 V, RL = 5 kΩ to GND, CL = 200 pF to GND, 2.5 V ≤ VREFIN ≤ VDD. All specifications TMIN to TMAX, unless otherwise noted.
Table 3.
Parameter1
Min
Typ
Max
Unit
Conditions/Comments2
Output Voltage Settling Time
5.8
8
μs
to scale settling to ±1 LSB, RL = 5 kΩ single-channel update
including DAC calibration sequence
Output Voltage Settling Time
10.7
13
μs
to scale settling to ±1 LSB, RL = 5 kΩ all channel update including
DAC calibration sequence
Slew Rate
1.5
V/μs
Digital-to-Analog Glitch Impulse3
4
nV-sec
1 LSB change around major carry
Reference Feedthrough3
90
dB
VREF = 3 V ± 0.86 V p-p, frequency = 100 Hz to 100 kHz
SDO Feedthrough
0.07
nV-sec
Daisy-chain mode; SDO load is 10 pF
Digital Feedthrough3
0.1
nV-sec
Digital Crosstalk3
1.9
nV-sec
Analog Crosstalk3
1.2
nV-sec
DAC-to-DAC Crosstalk3
2.1
nV-sec
Multiplying Bandwidth3
340
kHz
VREF = 3 V ± 0.86 V p-p
Total Harmonic Distortion3
80
dB
VREF = 3 V ± 0.86 V p-p, frequency = 10 kHz
Output Noise Spectral Density
64
nV/√Hz
DAC code = 0x8400, 1 kHz
60
nV/√Hz
DAC code = 0x8400, 10 kHz
Output Noise
6
μV p-p
0.1 Hz to 10 Hz
1 Guaranteed by design and characterization; not production tested.
2 Temperature range is 40°C to + 125°C, typical at 25°C.
3 See the Terminology section.
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