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參數資料
| 型號： | AD7876CN |
| 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, PDIP24 |
| 封裝： | 0.300 INCH, PLASTIC, MS-001, DIP-24 |
| 文件頁數： | 10/20頁 |
| 文件大小： | 331K |
| 代理商： | AD7876CN |
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
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| AD7876CQ | 16-Bit, Pseudo Bipolar, Fully Diff Input, 250kSPS Serial Out, 2.7V to 5.5V Micro Power Sampling ADC 8-MSOP -40 to 85 |
| AD7876CR | 16-Bit, Pseudo Bipolar, Fully Diff Input, 250kSPS Serial Out, 2.7V to 5.5V Micro Power Sampling ADC 8-MSOP -40 to 85 |
| AD7876TQ | 16-Bit, Pseudo Bipolar, Fully Diff Input, 250kSPS Serial Out, 2.7V to 5.5V Micro Power Sampling ADC 8-MSOP -40 to 85 |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| AD7876CNZ | 功能描述:IC ADC 12BIT SAMPLING 10V 24DIP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1 系列:- 位數:14 采樣率（每秒）:83k 數據接口:串行，并聯 轉換器數目:1 功率耗散（最大）:95mW 電壓電源:雙 ± 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:28-DIP（0.600"，15.24mm） 供應商設備封裝:28-PDIP 包裝:管件 輸入數目和類型:1 個單端，雙極 |
| AD7876CNZ1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:LC2MOS Complete, 12-Bit, 100 kHz, Sampling ADCs |
| AD7876CQ | 制造商:AD 制造商全稱:Analog Devices 功能描述:LC2MOS Complete, 12-Bit, 100 kHz, Sampling ADCs |
| AD7876CR | 功能描述:IC ADC 12BIT SAMPLING 10V 24SOIC RoHS:否 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1 系列:- 位數:14 采樣率（每秒）:83k 數據接口:串行，并聯 轉換器數目:1 功率耗散（最大）:95mW 電壓電源:雙 ± 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:28-DIP（0.600"，15.24mm） 供應商設備封裝:28-PDIP 包裝:管件 輸入數目和類型:1 個單端，雙極 |
| AD7876CR-REEL | 功能描述:IC ADC 12BIT SAMPLING 10V 24SOIC RoHS:否 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1 系列:- 位數:14 采樣率（每秒）:83k 數據接口:串行，并聯 轉換器數目:1 功率耗散（最大）:95mW 電壓電源:雙 ± 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:28-DIP（0.600"，15.24mm） 供應商設備封裝:28-PDIP 包裝:管件 輸入數目和類型:1 個單端，雙極 |
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