參數(shù)資料
型號： ADS8509IDBR
英文描述： RJ Field Cordset Cat5e w/ RJ45 Plug Each End 6.24m / 20 Feet
中文描述： 16位250 ksps的串行CMOS采樣模擬數(shù)字轉(zhuǎn)換器
文件頁數(shù)： 20/26頁
文件大?。?/td> 693K
代理商： ADS8509IDBR
www.ti.com
ADS8509
SLAS324A–OCTOBER 2004–REVISED JUNE 2005
Table 3. Input Range Connections (see
Figure 29
and
Figure 30
for complete
information)
ANALOG
INPUT RANGE
±10 V
±5 V
±3.33 V
0 V to 10 V
0 V to 5 V
0 V to 4 V
CONNECT R1
IN
VIA
200
TO
V
IN
AGND
V
IN
AGND
AGND
V
IN
CONNECT R2
IN
VIA
100
TO
AGND
V
IN
V
IN
V
IN
AGND
AGND
CONNECT
R3 TO
CAP
CAP
CAP
AGND
V
IN
V
IN
IMPEDANCE
11.5 k
6.7 k
5.4 k
6.7 k
5.0 k
5.4 k
Table 4. Control Truth Table
SPECIFIC FUNCTION
CS
R/C
BUSY
EXT/INT
DATACLK
PWRD
SB/BTC
OPERATION
Initiate conversion and out-
put 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 16 clock
pulses output on DATACLK.
0
1 > 0
1
0
Output
0
x
Initiate conversion and out-
put data using external clock
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 data with or without SYNC pulse. See
section Reading Data.
1 > 0
1
0
1
Input
0
x
Outputs data with or without SYNC pulse. See
section Reading Data.
0
0 > 1
0
1
Input
0
x
No actions
0
0
0 > 1
x
x
0
x
This is an acceptable condition.
Power down
x
x
x
x
x
0
x
Analog circuitry powered. Conversion can pro-
ceed..
x
x
x
x
x
1
x
Analog circuitry disabled. Data from previous
conversion maintained in output registers.
Selecting output format
x
x
x
x
x
x
0
Serial data is output in binary 2s complement
format.
x
x
x
x
x
x
1
Serial data is output in straight binary format.
Table 5. Output Codes and Ideal Input Voltages
DIGITAL OUTPUT
BINARY 2's
COMPLEMENTS
(SB/BTC LOW)
STRAIGHT
BINARY
(SB/BTC HIGH)
DESCRIP-
TION
ANALOG INPUT
BINARY CODE
HEX CODE
BINARY CODE
HEX CODE
Full-scale
range
±10
±5
±3.33 V
0 V to 10 V
0 V to 5 V
0 V to 4 V
Least signifi-
cant bit
(LSB)
305 μV
153 μV
102 μV
153 μV
76 μV
61 μV
Full scale
(FS - 1LSB)
9.999695 V
4.999847 V
3.333231 V
9.999847 V
4.999924 V
3.999939 V
0111 1111 1111 1111
7FFF
1111 1111 1111 1111
FFFF
Midscale
0 V
0 V
0 V
5 V
2.5 V
2 V
0000 0000 0000 0000
0000
1000 0000 0000 0000
8000
One LSB
below
midscale
-305 μV
153 μV
±102 μV
4.999847 V
2.499924 V
1.999939 V
1111 1111 1111 1111
FFFF
0111 1111 1111 1111
7FFF
-Full scale
-10 V
-5 V
-3.333333 V
0 V
0 V
0 V
1000 0000 0000 0000
8000
0000 0000 0000 0000
0000
20
相關(guān)PDF資料
PDF描述
ADS8509IDBRG4 16-BIT 250-KSPS SERIAL CMOS SAMPLING ANALOG-TO-DIGITAL CONVERTER
ADS8509IDW 16-BIT 250-KSPS SERIAL CMOS SAMPLING ANALOG-TO-DIGITAL CONVERTER
ADS8509IDWR 16-BIT 250-KSPS SERIAL CMOS SAMPLING ANALOG-TO-DIGITAL CONVERTER
ADS852 14-Bit, 65MHz Sampling ANALOG-TO-DIGITAL CONVERTER
ADS852Y 14-Bit, 65MHz Sampling ANALOG-TO-DIGITAL CONVERTER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADS8509IDBRG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-Bit 250kHz CMOS w/Serial Interface RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
ADS8509IDW 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-Bit 250kHz CMOS w/Serial Interface RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
ADS8509IDW 制造商:Texas Instruments 功能描述:IC 16BIT ADC 250KHZ 20SOIC 制造商:Texas Instruments 功能描述:IC, 16BIT ADC, 250KHZ, 20SOIC 制造商:Texas Instruments 功能描述:IC, 16BIT ADC, 250KHZ, 20SOIC; Resolution (Bits):16bit; Sampling Rate:250kSPS; Supply Voltage Type:Single; Supply Voltage Min:4.75V; Supply Voltage Max:5.25V; Supply Current:10mA; Digital IC Case Style:SOIC; No. of Pins:20; Input ;RoHS Compliant: Yes
ADS8509IDWG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-Bit 250kHz CMOS w/Serial Interface RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
ADS8509IDWR 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-Bit 250kHz CMOS w/Serial Interface RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
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