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參數資料
型號: ADUC814
廠商: Analog Devices, Inc.
英文描述: MicroConverter, Small Package 12-Bit ADC with Embedded Flash MCU
中文描述: MicroConverter的,小包裝12位ADC,嵌入式閃存MCU
文件頁數: 36/72頁
文件大小: 846K
代理商: ADUC814
ADuC814
Rev. A | Page 36 of 72
SOURCE/SINK CURRENT (mA)
5
0
5
10
15
O
4
3
2
1
0
DAC LOADED WITH 0000H
DAC LOADED WITH 0FFFH
0
Figure 40. Source and Sink Current Capability with V
REF
= V
DD
= 5 V
SOURCE/SINK CURRENT (mA)
4
0
5
10
15
O
3
1
0
DAC LOADED WITH 0000H
DAC LOADED WITH 0FFFH
0
Figure 41. Source and Sink Current Capability with V
REF
= V
DD
= 3 V
For larger loads, the current drive capability may not be sufficient.
To increase the source and sink current capability of the DACs,
an external buffer should be added, as shown in Figure 42.
ADuC814
DAC0
DAC1
0
Figure 42. Buffering the DAC Outputs
The DAC output buffer also features a high impedance disable
function. In the chip’s default power-on state, both DACs are
disabled, and their outputs are in a high impedance state (or
three-state) where they remain inactive until enabled in
software. This means that if a zero output is desired during
power-up or power-down transient conditions, then a pull-
down resistor must be added to each DAC output. Assuming
this resistor is in place, the DAC outputs remain at ground
potential whenever the DAC is disabled.
相關PDF資料
PDF描述
ADUC814ARU MicroConverter, Small Package 12-Bit ADC with Embedded Flash MCU
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相關代理商/技術參數
參數描述
ADUC814_02 制造商:AD 制造商全稱:Analog Devices 功能描述:MicroConverter, Small Package 12-Bit ADC with Embedded FLASH MCU
ADUC814AN 功能描述:8052 MicroConverter? ADuC8xx Microcontroller IC 8-Bit 16.78MHz 8KB (8K x 8) FLASH 制造商:analog devices inc. 系列:MicroConverter? ADuC8xx 包裝:- 零件狀態:上次購買時間 核心處理器:8052 核心尺寸:8-位 速度:16.78MHz 連接性:I2C,SPI,UART/USART 外設:POR,PSM,溫度傳感器,WDT I/O 數:- 程序存儲容量:8KB(8K x 8) 程序存儲器類型:閃存 EEPROM 容量:640 x 8 RAM 容量:256 x 8 電壓 - 電源(Vcc/Vdd):2.7 V ~ 5.5 V 數據轉換器:* 振蕩器類型:內部 工作溫度:* 封裝/外殼:- 供應商器件封裝:- 標準包裝:1
ADUC814ARU 功能描述:IC ADC 12BIT W/FLASH MCU 28TSSOP RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器, 系列:MicroConverter® ADuC8xx 標準包裝:38 系列:Encore!® XP® 核心處理器:eZ8 芯體尺寸:8-位 速度:5MHz 連通性:IrDA,UART/USART 外圍設備:欠壓檢測/復位,LED,POR,PWM,WDT 輸入/輸出數:16 程序存儲器容量:4KB(4K x 8) 程序存儲器類型:閃存 EEPROM 大小:- RAM 容量:1K x 8 電壓 - 電源 (Vcc/Vdd):2.7 V ~ 3.6 V 數據轉換器:- 振蕩器型:內部 工作溫度:-40°C ~ 105°C 封裝/外殼:20-SOIC(0.295",7.50mm 寬) 包裝:管件 其它名稱:269-4116Z8F0413SH005EG-ND
ADUC814ARU-D2 制造商:Analog Devices 功能描述:12 BIT ADC WITH EMBEDDED 8-BIT MICRO I.C - Tape and Reel 制造商:Rochester Electronics LLC 功能描述:12 BIT ADC WITH EMBEDDED 8-BIT MICRO I.C - Bulk
ADUC814ARU-REEL 制造商:Analog Devices 功能描述:MCU 8-Bit ADuC8xx 8052 CISC 8KB Flash 3V/5V 28-Pin TSSOP T/R 制造商:Analog Devices 功能描述:12 BIT ADC WITH EMBEDDED 8-BIT MICRO I.C - Tape and Reel
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