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参数资料
| 型号： | AD5420AREZ-REEL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/32页 |
| 文件大小： | 0K |
| 描述： | IC DAC 16BIT 1CH SER 24TSSOP |
| 产品培训模块： | Data Converter Fundamentals DAC Architectures |
| 设计资源： | Simplified 16-Bit, 4 mA-to-20 mA Output Solution Using AD5420 (CN0098) |
| 标准包装： | 1,000 |
| 设置时间： | 10µs |
| 位数： | 16 |
| 数据接口： | DSP，MICROWIRE?，QSPI?，串行，SPI? |
| 转换器数目： | 1 |
| 电压电源： | 模拟和数字 |
| 功率耗散（最大）： | 950mW |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-TSSOP（0.173"，4.40mm）裸露焊盘 |
| 供应商设备封装： | 24-TSSOP 裸露焊盘 |
| 包装： | 带卷 (TR) |
| 输出数目和类型： | 1 电流，单极 |
| 采样率（每秒）： | * |
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Single-Channel, 12-/16-Bit, Serial Input, 4 mA to 20 mA,
Current Source DAC, HART Connectivity
Data Sheet
Rev. F
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
2009–2013 Analog Devices, Inc. All rights reserved.
FEATURES
12-/16-bit resolution and monotonicity
Current output ranges: 4 mA to 20 mA, 0 mA to 20 mA, or
0 mA to 24 mA
±0.01% FSR typical total unadjusted error (TUE)
±3 ppm/°C typical output drift
Flexible serial digital interface
On-chip output fault detection
On-chip reference (10 ppm/°C maximum)
Feedback/monitoring of output current
Asynchronous clear function
Power supply (AVDD) range
10.8 V to 40 V; AD5410AREZ/AD5420AREZ
10.8 V to 60 V; AD5410ACPZ/AD5420ACPZ
Output loop compliance to AVDD 2.5 V
Temperature range: 40°C to +85°C
24-lead TSSOP and 40-lead LFCSP packages
APPLICATIONS
Process control
Actuator control
PLC
HART network connectivity
GENERAL DESCRIPTION
12-/16-bit converters offering a programmable current source
output designed to meet the requirements of industrial process
control applications. The output current range is programmable
at 4 mA to 20 mA, 0 mA to 20 mA, or an overrange function of
0 mA to 24 mA. The output is open-circuit protected. The device
operates with a power supply (AVDD) range from 10.8 V to
60 V. Output loop compliance is 0 V to AVDD 2.5 V.
The flexible serial interface is SPI, MICROWIRE, QSPI, and
DSP compatible and can be operated in 3-wire mode to mini-
mize the digital isolation required in isolated applications.
The device also includes a power-on reset function, ensuring
that the device powers up in a known state, and an asynchronous
CLEAR pin that sets the output to the low end of the selected
current range.
The total unadjusted error is typically ±0.01% FSR.
COMPANION PRODUCTS
HART Modem: AD5700, AD5700-1
FUNCTIONAL BLOCK DIAGRAM
INPUT SHIFT
REGISTER
AND CONTROL
LOGIC
AD5410/AD5420
POWER-
ON
RESET
VREF
R2
R3
RSET
IOUT
AVDD
CAP2
LATCH
SCLK
SDIN
SDO
CAP1
12-/16-BIT
DAC
12/16
DVCC
SELECT
CLEAR
FAULT
BOOST
REFIN
GND
REFOUT
07027-
001
R3SENSE
Figure 1.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD5420BCPZ | 制造商:AD 制造商全称:Analog Devices 功能描述:Single Channel, 16-Bit, Serial Input, Current Source DAC |
| AD5420BREZ | 制造商:Analog Devices 功能描述: |
| AD5421 | 制造商:AD 制造商全称:Analog Devices 功能描述:Low Power HART Modem |
| AD5421_11 | 制造商:AD 制造商全称:Analog Devices 功能描述:16-Bit, Serial Input, Loop-Powered, 4 mA to 20 mA DAC |
| AD5421_13 | 制造商:AD 制造商全称:Analog Devices 功能描述:16-Bit, Serial Input, Loop-Powered, 4 mA to 20 mA DAC |
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