參數(shù)資料
型號： ADS8517IDW
廠商： TEXAS INSTRUMENTS INC
元件分類： ADC
英文描述： 1-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, PDSO28
封裝： GREEN, PLASTIC, SOIC-28
文件頁數(shù)： 4/38頁
文件大?。?/td> 948K
代理商： ADS8517IDW
BASIC OPERATION
PARALLEL OUTPUT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
ADS8517
+5 V
+
ConvertPulse
40nsmin
0.1 mF
10 mF
+
NOTE:(1)NC=notconnected.
B11
B12
B13
B14
B15
(MSB)
Pin21
LOW
B3
B4
B5
B6
B7
Pin21
HIGH
NC
(1)
B8
B9
B10
B0
(LSB)
B1
B2
BUSY
R/C
BYTE
±10 V
2.2 F
m
+5V
2.2 F
m
+1.8V
0.1 F
m
SLAS527A – SEPTEMBER 2008 – REVISED JUNE 2009 ................................................................................................................................................. www.ti.com
Figure 28 shows a basic circuit for operating the ADS8517 with a ±10-V input range and parallel output. Taking
R/C (pin 22) low for a minimum of 40 ns (5
s max) initiates a conversion. BUSY (pin 24) goes low and stays low
until the conversion completes and the output register updates. If BYTE (pin 21) is low, the eight most significant
bits (MSBs) will be valid when BUSY rises; if BYTE is high, the eight least significant bits (LSBs) will be valid
when BUSY rises. Data are output in binary twos complement (BTC) format. BUSY going high can be used to
latch the data. After the first byte has been read, BYTE can be toggled, allowing the remaining byte to be read.
All convert commands are ignored while BUSY is low.
The ADS8517 begins tracking the input signal at the end of the conversion. Allowing 5
s between convert
commands assures accurate acquisition of a new signal.
Figure 28. Basic ±10-V Operation, Both Parallel and Serial Output
12
Copyright 2008–2009, Texas Instruments Incorporated
Product Folder Link(s): ADS8517
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ADS8517IDWG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16B,5V,125KSPS,ADC 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
ADS8517IDWR 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Low Power 16-Bit 200 kSPS ADC 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
ADS8517IDWRG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16B,5V,125KSPS,ADC 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
ADS8517IPW 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Lo Pwr 16B 200kSPS +/-10V Bip InSAR ADC 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
ADS8517IPWR 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Lo Pwr 16B 200kSPS +/-10V Bip InSAR ADC 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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