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參數(shù)資料
| 型號： | DAC8541EVM |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | DAC8541EVM(DAC8541評估板) |
| 中文描述： | DAC8541EVM（DAC8541評估板） |
| 文件頁數(shù)： | 10/26頁 |
| 文件大?。?/td> | 351K |
| 代理商： | DAC8541EVM |
Features
1-2
1.1
Features
This EVM features the DAC8541 digital-to-analog converter. The
DAC8541EVM is a simple evaluation module designed for a quick and easy
way to evaluate the functionality of the high resolution, single-channel, parallel
input DAC. This EVM features a parallel interface to communicate to any host
processor base system.
1.2
Power Requirements
The following sections describe the power requirements of this EVM.
1.2.1
Supply Voltage
The dc power supply range for the digital section of this EVM is from 1.8 V to
5.5 V connected to the J8-2 or J7-2 terminal and is referenced to ground
through the J8-1 or J7-1 terminal. The dc power requirements for the analog
section of this EVM range from 2.7 V to 5.5 V and connect through J9-6 or J6-4
terminal and are referenced to ground through the J9-5 or J6-2 terminal.
A dc source of
±
15 V supply is required to provide the rails for the external
output op-amp provided for output signal conditioning, boost capacitive load
drive, or DAC bipolar mode operation. The 15-V supply connects through the
J6-1 or J9-2 terminal, and the -15 V supply connects through the J6-3 or J9-4
terminal. The
±
15-V supply is referenced to ground through the J6-2 or J9-3
terminal.
Caution
To avoid potential damage to the EVM board, make sure that the
correct cables are connected to their respective terminals as
labeled on the EVM board.
1.2.2
Reference Voltage
A 5-V precision reference voltage is provided to supply the V
REF(H)
through
REF02, U3, via jumper W2 by shorting pins 1 and 2. An adjustable 100 k
potentiometer, R5, is installed in series with 20 k
, R4, to allow the user to
adjust the reference voltage to its desired settings. TP2 and TP3 are provided
as well as J4-20, to allow the user to connect an external reference source not
to exceed 5 V dc.
The REF02 precision reference derives its power of
±
15 V supply through J6
or J9 terminal. The 15 V connects through the J6-1 or J9-2 terminal, while the
-15 V connects through the J6-3 or J9-4 terminal. They are both referenced
to ground through the J6-2 or J9-1.
The V
REF(L)
input is normally tied to AGND, unless some minor adjustment to
the offset of the DAC is needed.
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| DAC8541Y/2K | 功能描述:數(shù)模轉換器- DAC Low Power 16-Bit DAC RoHS:否 制造商:Texas Instruments 轉換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
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