參數(shù)資料
型號(hào): AD7876TQ
廠商: ANALOG DEVICES INC
元件分類: ADC
英文描述: 16-Bit, Pseudo Bipolar, Fully Diff Input, 250kSPS Serial Out, 2.7V to 5.5V Micro Power Sampling ADC 8-MSOP -40 to 85
中文描述: 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, CDIP24
封裝: 0.300 INCH, HERMETIC SEALED, CERAMIC, DIP-24
文件頁(yè)數(shù): 10/20頁(yè)
文件大?。?/td> 331K
代理商: AD7876TQ
REV. B
AD7870/AD7875/AD7876
–10–
Figure 10. Mode 1 Timing Diagram, Byte or Serial Read
its
BUSY
function.
BUSY
goes low at the start of conversion,
stays low during the conversion and returns high when the con-
version is complete. It is normally used in parallel interfaces to
drive the microprocessor into a WAIT state for the duration of
conversion.
Figure 11 shows the Mode 2 timing diagram for the 12-bit par-
allel data output format (12/
8
/CLK = +5 V). In this case, the
ADC behaves like slow memory. T he major advantage of this
interface is that it allows the microprocessor to start conversion,
WAIT and then read data with a single READ instruction. T he
user does not have to worry about servicing interrupts or ensur-
ing that software delays are long enough to avoid reading during
conversion.
Figure 11. Mode 2 Timing Diagram, 12-Bit Parallel Read
T he Mode 1 timing diagram for byte and serial data is shown in
Figure 10.
INT
goes low at the end of conversion and is reset
high by the first falling edge of
CS
and
RD
. T his first read at the
end of conversion can either access the low byte or high byte of
data depending on the status of HBEN (Figure 10 shows low
byte only for example). T he diagram shows both a noncontinu-
ously and a continuously running clock (dashed line).
MODE 2 INT E RFACE
T he second interface mode is achieved by hard wiring
CONVST
low and conversion is initiated by taking
CS
low while HBEN is
low. T he track/hold amplifier goes into the hold mode on the
falling edge of
CS
. In this mode, the
BUSY
/
INT
pin assumes
相關(guān)PDF資料
PDF描述
AD7870AQ LC2MOS Complete, 12-Bit, 100 kHz, Sampling ADCs
AD7870BQ LC2MOS Complete, 12-Bit, 100 kHz, Sampling ADCs
AD7875BQ LC2MOS Complete, 12-Bit, 100 kHz, Sampling ADCs
AD7875CQ LC2MOS Complete, 12-Bit, 100 kHz, Sampling ADCs
AD7875KN LC2MOS Complete, 12-Bit, 100 kHz, Sampling ADCs
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD7876TQ/883B 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog-to-Digital Converter, 12-Bit
AD7877 制造商:AD 制造商全稱:Analog Devices 功能描述:Touch Screen Controller
AD7877AACPZ-500RL7 制造商:Analog Devices 功能描述:
AD7877AACPZ-REEL7 制造商:Analog Devices 功能描述:
AD7877ACBZ-REEL 功能描述:IC CTRLR TOUCH SCREEN 25-WLCSP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 觸摸屏控制器 系列:- 標(biāo)準(zhǔn)包裝:96 系列:- 類型:- 觸摸面板接口:- 輸入數(shù)/鍵:- 分辨率(位):- 評(píng)估套件:* 數(shù)據(jù)接口:- 數(shù)據(jù)速率/采樣率 (SPS,BPS):- 電壓基準(zhǔn):- 電源電壓:- 電流 - 電源:- 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:16-TSSOP(0.173",4.40mm 寬) 供應(yīng)商設(shè)備封裝:16-TSSOP 包裝:帶卷 (TR)