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| 型号： | EVAL-AD5755SDZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/52页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL FOR AD5755 |
| 视频文件： | AD5755: 16-Bit Multi-Channel, Voltage and Current Output DAC |
| 标准包装： | 1 |
| DAC 的数量： | 4 |
| 位数： | 16 |
| 数据接口： | 串行 |
| 设置时间： | 11µs |
| DAC 型： | 电流/电压 |
| 工作温度： | -40°C ~ 105°C |
| 已供物品： | 板 |
| 已用 IC / 零件： | AD5755 |
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Quad Channel, 16-Bit, Serial Input,
4 mA to 20 mA and Voltage Output DAC,
Dynamic Power Control
Data Sheet
Rev. C
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
2011–2013 Analog Devices, Inc. All rights reserved.
FEATURES
16-bit resolution and monotonicity
Dynamic power control for thermal management
Current and voltage output pins connectable to a single
terminal
Current output ranges: 0 mA to 20 mA, 4 mA to 20 mA,
or 0 mA to 24 mA
±0.05% total unadjusted error (TUE) maximum
Voltage output ranges (with 20% overrange): 0 V to 5 V, 0 V
to 10 V, ±5 V, and ±10 V
±0.04% total unadjusted error (TUE) maximum
User programmable offset and gain
On-chip diagnostics
On-chip reference (±10 ppm/°C maximum)
40°C to +105°C temperature range
APPLICATIONS
Process control
Actuator control
PLCs
GENERAL DESCRIPTION
The AD5755 is a quad, voltage and current output DAC that
operates with a power supply range from 26.4 V to +33 V.
On-chip dynamic power control minimizes package power
dissipation in current mode. This is achieved by regulating the
voltage on the output driver from 7.4 V to 29.5 V using a dc-to-
dc boost converter optimized for minimum on chip power
dissipation.
The part uses a versatile 3-wire serial interface that operates at
clock rates of up to 30 MHz and is compatible with standard
SPI, QSPI, MICROWIRE, DSP, and microcontroller inter-
face standards. The interface also features optional CRC-8
packet error checking, as well as a watchdog timer that
monitors activity on the interface.
PRODUCT HIGHLIGHTS
1. Dynamic power control for thermal management.
2. 16-bit performance.
3. Multichannel.
COMPANION PRODUCTS
Product Family: AD5755-1, AD5757
Digital Isolators: ADuM1410, ADuM1411
Power: ADP2302, ADP2303
Additional companion products on the AD5755 product page
FUNCTIONAL BLOCK DIAGRAM
07304-
100
AD5755
AVSS
–15V
AGND
AVDD
+15V
AVCC
5.0V
DVDD
DGND
LDAC
CLEAR
SCLK
SDIN
SYNC
SDO
FAULT
DC-TO-DC
CONVERTER
DIGITAL
INTERFACE
REFERENCE
CURRENT AND
VOLTAGE
OUTPUT RANGE
SCALING
ALERT
REFOUT
REFIN
AD1
AD0
DAC A
SWx
VBOOST_x
GAIN REG A
OFFSET REG A
RSET_x
+VSENSE_x
–VSENSE_x
VOUT_x
IOUT_x
DAC CHANNEL B
DAC CHANNEL A
DAC CHANNEL C
DAC CHANNEL D
7.4V TO 29.5V
+
NOTES
1. x = A, B, C, AND D.
Figure 1.
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