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參數(shù)資料
| 型號(hào)： | AD7823YRMZ-REEL |
| 廠商： | Analog Devices Inc |
| 文件頁(yè)數(shù)： | 2/11頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 8BIT SRL 2.7-5.5V 8MSOP |
| 標(biāo)準(zhǔn)包裝： | 3,000 |
| 位數(shù)： | 8 |
| 采樣率（每秒）： | 200k |
| 數(shù)據(jù)接口： | 串行 |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 17.5mW |
| 電壓電源： | 單電源 |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-TSSOP，8-MSOP（0.118"，3.00mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-MSOP |
| 包裝： | 帶卷 (TR) |
| 輸入數(shù)目和類型： | 2 個(gè)偽差分，單極 |
AD7823
–10–
REV. C
MICROPROCESSOR INTERFACING
The serial interface on the AD7823 allows the parts to be directly
connected to a range of many different microprocessors. This
section explains how to interface the AD7823 with some of the
more common microcontroller serial interface protocols.
AD7823 to PIC16C6x/7x
The PIC16C6x Synchronous Serial Port (SSP) is configured
as an SPI Master with the Clock Polarity Bit = 0. This is done
by writing to the Synchronous Serial Port Control Register
(SSPCON). See PIC16/17 Microcontroller User Manual. Figure
17 shows the hardware connections needed to interface to the
PIC16/PIC17. In this example I/O port RA1 is being used to
pulse
CONVST and enable the serial port of the AD7823.
SCLK
DOUT
SCK/RC3
SDO/RC5
RA1
AD7823*
PIC16C6x/7x*
CONVST
*ADDITIONAL PINS OMITTED FOR CLARITY
Figure 17. Interfacing to the PIC16/PIC17
AD7823 to MC68HC11
The Serial Peripheral Interface (SPI) on the MC68HC11 is
configured for Master Mode (MSTR = 0), Clock Polarity Bit
(CPOL) = 0, and the Clock Phase Bit (CPHA) = 1. The SPI is
configured by writing to the SPI Control Register (SPCR)—see
68HC11 User Manual. A connection diagram is shown in
Figure 18.
SCLK
DOUT
SCLK/PD4
MISO/PD2
PA0
AD7823*
MC68HC11*
CONVST
*ADDITIONAL PINS OMITTED FOR CLARITY
Figure 18. Interfacing to the MC68HC11
AD7823 to 8051
The AD7823 requires a clock synchronized to the serial data;
therefore, the 8051 serial interface must be operated in Mode 0.
In this mode serial data enters and exits through RXD, and a serial
clock is output on TXD (half duplex). Figure 19 shows how the
8051 is connected to the AD7823. Here, because the AD7823
shifts data out on the rising edge of the serial clock, the serial
clock must be inverted.
SCLK
DOUT
TXD
RXD
P1.1
AD7823*
8051*
CONVST
*ADDITIONAL PINS OMITTED FOR CLARITY
Figure 19. Interfacing to the 8051 Serial Port
It is possible to implement a serial interface using the data ports
on the 8051 (or any microcontroller). This would allow direct
interfacing between the AD7823 and 8051 to be implemented
without the need for any “gluing” logic. The technique involves
“bit banging” an I/O port (e.g., P1.0) to generate a serial clock
and using another I/O port (e.g., P1.1) to read in data, see
Figure 20.
SCLK
DOUT
P1.0
P1.1
P1.2
AD7823*
8051*
CONVST
*ADDITIONAL PINS OMITTED FOR CLARITY
Figure 20. Interfacing to the 8051 Using I/O Ports
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| AD7823YRMZ-REEL7 | 功能描述:IC ADC 8BIT SRL 2.7-5.5V 8MSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 位數(shù):16 采樣率（每秒）:15 數(shù)據(jù)接口:MICROWIRE?，串行，SPI? 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:480µW 電壓電源:單電源 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:38-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:38-QFN（5x7） 包裝:帶卷 (TR) 輸入數(shù)目和類型:16 個(gè)單端，雙極；8 個(gè)差分，雙極 配用:DC1011A-C-ND - BOARD DELTA SIGMA ADC LTC2494 |
| AD7823YR-REEL | 制造商:Analog Devices 功能描述:ADC Single SAR 200ksps 8-bit Serial 8-Pin SOIC N T/R |
| AD7823YR-REEL7 | 制造商:Analog Devices 功能描述:ADC Single SAR 200ksps 8-bit Serial 8-Pin SOIC N T/R |
| AD7823YRZ | 功能描述:IC ADC 8BIT SRL 2.7/5.5V 8-SOIC RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:microPOWER™ 位數(shù):8 采樣率（每秒）:1M 數(shù)據(jù)接口:串行，SPI? 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:- 電壓電源:模擬和數(shù)字 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:24-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:24-VQFN 裸露焊盤（4x4） 包裝:Digi-Reel® 輸入數(shù)目和類型:8 個(gè)單端，單極 產(chǎn)品目錄頁(yè)面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6 |
| AD7823YRZ-REEL | 功能描述:IC ADC 8BIT SRL 2.7-5.5V 8SOIC RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 位數(shù):12 采樣率（每秒）:3M 數(shù)據(jù)接口:- 轉(zhuǎn)換器數(shù)目:- 功率耗散（最大）:- 電壓電源:- 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 供應(yīng)商設(shè)備封裝:SOT-23-6 包裝:帶卷 (TR) 輸入數(shù)目和類型:- |
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