參數資料
型號: ADS7808UE4
英文描述: 12-Bit 10us Serial CMOS Sampling ANALOG-to-DIGITAL CONVERTER
中文描述: 12位10us檔串行CMOS采樣模擬數字轉換器
文件頁數: 6/13頁
文件大?。?/td> 335K
代理商: ADS7808UE4
ADS7808
SBAS018A
6
www.ti.com
HEX
HEX
DESCRIPTION
BINARY CODE
CODE
BINARY CODE
CODE
Full-Scale Range
±
10
±
5
±
3.33V
1.63mV
0V to 5V
0V to 10V
0V to 4V
Least Significant Bit (LSB)
4.88mV
2.44mV
1.22mV
2.44mV
0.98mV
+Full Scale (FS
1LSB)
9.99512V 4.99756V 3.33171V
4.99878V 9.99756V
3.99902V
0111 1111 1111
7FF
1111 1111 1111
FFF
Midscale
0V
0V
0V
2.5V
5V
2V
0000 0000 0000
000
1000 0000 0000
800
One LSB Below Midscale
4.88mV
2.44mV
1.63mV
2.49878V 4.99756V
1.99902V
1111 1111 1111
FFF
0111 1111 1111
7FF
Full Scale
10V
5V
3.333333V
0V
0V
0V
1000 0000 0000
800
0000 0000 0000
000
BINARY TWO
S
COMPLEMENT
(SB/BTC LOW)
STRAIGHT BINARY
(SB/BTC HIGH)
Initiate Conversion and
Output Data Using External
Clock
Power Down
Selecting Output Format
Incorrect Conversions
SPECIFIC FUNCTION
CS
R/C
BUSY
EXT/INT DATACLK PWRD
SB/BTC
OPERATION
Initiate Conversion and
Output Data Using
Internal Clock
1>0
0
1
0
Output
0
x
Initiates conversion
n
. Data from conversion
n
1
clocked out on DATA synchronized to 12 clock
pulses output on DATACLK.
0
1>0
1
0
Output
0
x
Initiates conversion
n
. Data from conversion
n
1
clocked out on DATA synchronized to 12 clock
pulses output on DATACLK.
1>0
0
1
1
Input
0
x
Initiates conversion
n
.
0
1>0
1
1
Input
0
x
Initiates conversion
n
.
1>0
1
1
1
Input
x
x
Outputs a pulse on SYNC followed by data from
conversion
n
clocked out synchronized to external
DATACLK.
1>0
1
0
1
Input
0
x
Outputs a pulse on SYNC followed by data from
conversion
n
1
clocked out synchronized to
external DATACLK.
(1)
Conversion
n
in process.
0
0>1
0
1
Input
0
x
Outputs a pulse on SYNC followed by data from
conversion
n
1
clocked out synchronized to
external DATACLK .
(1)
Conversion
n
in process.
0
0
0>1
x
x
0
x
CS or R/C must be HIGH or a new conversion will
be initiated without time for acquisition.
x
x
x
x
x
0
x
Analog circuitry powered. Conversion can proceed.
x
x
x
x
x
1
x
Analog circuitry disabled. Data from previous
conversion maintained in output registers.
x
x
x
x
x
x
0
Serial data is output in Binary Two
s Complement
format.
x
x
x
x
x
x
1
Serial data is output in Straight Binary format.
NOTE: (1) See Figure 3b for constraints on previous data valid during conversion.
Table III. Control Truth Table.
ANALOG INPUT
DIGITAL OUTPUT
Table IV. Output Codes and Ideal Input Voltages.
相關PDF資料
PDF描述
ADS7809PB 16-Bit 10ms Serial CMOS Sampling ANALOG-to-DIGITAL CONVERTER
ADS7809UB 16-Bit 10ms Serial CMOS Sampling ANALOG-to-DIGITAL CONVERTER
ADS7809 16-Bit 10ms Serial CMOS Sampling ANALOG-to-DIGITAL CONVERTER
ADS7809P CMOS Quad 2-Input NOR Gate 14-TSSOP -55 to 125
ADS7809U 16-Bit 10ms Serial CMOS Sampling ANALOG-to-DIGITAL CONVERTER
相關代理商/技術參數
參數描述
ADS7808UG4 功能描述:IC 12BIT 100KHZ SMPL ADC 20SOIC 制造商:texas instruments 系列:- 包裝:管件 零件狀態(tài):在售 位數:12 采樣率(每秒):100k 輸入數:1 輸入類型:單端 數據接口:SPI,DSP 配置:S/H-ADC 無線電 - S/H:ADC:1:1 A/D 轉換器數:1 架構:SAR 參考類型:外部, 內部 電壓 - 電源,模擬:5V 電壓 - 電源,數字:5V 特性:- 工作溫度:-40°C ~ 85°C 封裝/外殼:20-SOIC(0.295",7.50mm 寬) 供應商器件封裝:20-SOIC 基本零件編號:ADS7808 標準包裝:25
ADS7809 制造商:BB 制造商全稱:BB 功能描述:16-Bit 10ms Serial CMOS Sampling ANALOG-to-DIGITAL CONVERTER
ADS7809EVM 功能描述:數據轉換 IC 開發(fā)工具 ADS7809 Eval Mod RoHS:否 制造商:Texas Instruments 產品:Demonstration Kits 類型:ADC 工具用于評估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V
ADS7809P 制造商:BB 制造商全稱:BB 功能描述:16-Bit 10ms Serial CMOS Sampling ANALOG-to-DIGITAL CONVERTER
ADS7809PB 制造商:Rochester Electronics LLC 功能描述:16-BIT, 100KHZ SAMPLING A/D - Bulk