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| 型號(hào)： | EVAL-AD5066EBZ |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Fully Accurate 16-Bit UnBuffered VOUT DAC SPI Interface 2.7 V to 5.5 V in a TSSOP |
| 中文描述： | 完全準(zhǔn)確的16緩沖VOUT電源DAC的SPI接口的2.7伏采用TSSOP至5.5 V位 |
| 文件頁(yè)數(shù)： | 1/20頁(yè) |
| 文件大?。?/td> | 309K |
| 代理商： | EVAL-AD5066EBZ |
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Fully Accurate 16-Bit UnBuffered V
OUT
DAC SPI
Interface 2.7 V to 5.5 V in a TSSOP
Preliminary Technical Data
AD5066
FEATURES
Low power Quad 16 bit DAC, ± 1LSB INL
Individual reference pins
2.7 V to 5.5 V power supply
Unbuffered voltage output capable of driving 60KΩ
Fast Settling time of 4 us typically
Power-on reset to zero scale or mid-scale
Per channel power-down
3 power-down functions
Low glitch on power up
Hardware LDAC with LDAC override function
CLR Function to programmable code
Small 16 lead TSSOP
APPLICATIONS
Process control
Data acquisition systems
Portable battery-powered instruments
Digital gain and offset adjustment
Programmable voltage and current sources
Programmable attenuators
Rev. PrB
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
2007 Analog Devices, Inc. All rights reserved.
www.analog.com
FUNCTIONAL BLOCK DIAGRAMS
Figure 1.AD5066
Table 1. Related Devices
Part No.
AD5666
AD5065/45/25
AD5064/44/24
AD5063/62
AD5061
AD5060/40
Description
Quad,16-bit buffered D/A,16 LSB INL, TSSOP
Quad,16-bit buffered D/A,1 LSB INL, TSSOP
Quad 16-bit
nano
DAC, 1 LSB INL, TSSOP
16-bit
nano
DAC, 1 LSB INL, MSOP
16-/14bit
nano
DAC, 4 LSB INL, SOT-23
16-/14bit
nano
DAC, 1 LSB INL, SOT-23
GENERAL DESCRIPTION
The AD5066 is a low power, 16-bit quad-channel, unbuffered
voltage-out DAC offering relative accuracy specs of 1LSB INL
with individual reference pin and can operate from a single
2.7V to 5.5V. The AD5066 parts also offer a differential
accuracy specification of ±1 LSB. Reference buffers are also
provided on-chip. The parts use a versatile 3-wire, low power
Schmitt trigger serial interface that operates at clock rates up to
50 MHz and is compatible with standard SPI, QSPI,
MICROWIRE, and DSP interface standards. The AD5066
incorporates a power-on reset circuit that ensures the DAC
output powers up zero scale or midscale and remains there until
a valid write takes place to the device. The AD5066 contain a
power-down feature that reduces the current consumption of
the device to typically 330 nA at 5 V and provides software
selectable output loads while in power-down mode. The part
can be placed into power-down mode over the serial interface.
Total unadjusted error for the part is <0.8 mV. Both parts
exhibit very low glitch on power-up.
The outputs of all DACs can be updated simultaneously using
the LDAC function, with the added functionality of user-select-
able DAC channels to simultaneously update. There is also an
asynchronous CLR that clears all DACs to a software-selectable
code - 0 V, midscale, or full scale.
PRODUCT HIGHLIGHTS
1.
Quad channel available in 16-lead TSSOP package.
2.
Individual voltage reference pins
3.
16 bit accurate, 1 LSB INL.
4.
Low glitch on power-up.
5.
High speed serial interface with clock speeds up to 50 MHz.
6.
Three power-down modes available to the user.
7.
Reset to known output voltage (zero scale).
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