D tE t F ADS" />
參數(shù)資料
型號(hào)： ADS7864M-EVM
廠商： Texas Instruments
文件頁(yè)數(shù)： 10/27頁(yè)
文件大?。?/td> 0K
描述： EVAL MODULE FOR ADS7864M
產(chǎn)品培訓(xùn)模塊： Data Converter Basics
標(biāo)準(zhǔn)包裝： 1
ADC 的數(shù)量： 2
位數(shù)： 12
采樣率（每秒）： 500k
數(shù)據(jù)接口： 并聯(lián)
輸入范圍： 0 ~ 5 V
在以下條件下的電源（標(biāo)準(zhǔn)）： 50mW @ 500kSPS
工作溫度： -40°C ~ 85°C
已用 IC / 零件： ADS7864
已供物品： 板
相關(guān)產(chǎn)品： ADS7864YB/2KG4-ND - IC 12BIT 500KHZ 6CH ADC 48-TQFP
ADS7864YB/250G4-ND - IC 12BIT 500KHZ 6CH ADC 48-TQFP
ADS7864Y/2KG4-ND - IC 12BIT 500KHZ 6CH ADC 48-TQFP
ADS7864Y/250G4-ND - IC 12BIT 500KHZ 6CH ADC 48-TQFP
ADS7864YDKR-ND - IC 12BIT 500KHZ 6CH A/D 48-TQFP
ADS7864YBDKR-ND - IC 12BIT 500KHZ 6CH A/D 48-TQFP
ADS7864YBCT-ND - IC 12BIT 500KHZ 6CH A/D 48-TQFP
ADS7864YBTR-ND - IC 12BIT 500KHZ 6CH A/D 48-TQFP
ADS7864YCT-ND - IC 12BIT 500KHZ 6CH A/D 48-TQFP
ADS7864YTR-ND - IC 12BIT 500KHZ 6CH A/D 48-TQFP
更多...
其它名稱： 296-30697
ADS7864M-EVM-ND
www.ti.com
GETTING DATA
RESET
CLOCK
HOLDA
HOLDB
HOLDC
t
A
t
B
t
C
t
D tE
t
F
ADS7864
SBAS141A – SEPTEMBER 2000 – REVISED MARCH 2005
from channel A0 is read on the first RD signal, then
A1 on the second, followed by B0, B1, C0 and finally
The ADS7864 has three different output modes that
C1 before reading A0 again. Data from channel A0 is
are selected with A2, A1 and A0. A2A1A0 are only
brought to the output first after a reset-signal or after
active when RD and CS are both low. After a reset
powering the part up.
occurs, A2A1A0 are set to 000.
The third mode is a FIFO mode that is addressed
With (A2 A1 A0) = 000 to 101 a particular channel
with (A2 A1 A0 = 111). Data of the channel that is
can directly be addressed (see Table 3 and Fig-
converted first will be read first. So, if a particular
ure 27). The channel address should be set at least
channel is most interesting and is converted more
10ns (see Figure 28, t12) before the falling edge of
frequently (e.g., to get a history of a particular
RD and should not change as long as RD is low.
channel) then there are three output registers per
channel available to store data. When the ADS7864
Table 3. Address/Mode Truth Table
is operated in the FIFO mode, an initial RD/CS is
CHANNEL
necessary (after power up and after reset), so that
SELECTED/
the internal address is set to ‘111’, before the first
MODE
A2
A1
A0
conversion starts.
A0
0
If a read process is just going on (RD signal low) and
A1
0
1
new data has to be stored, then the ADS7864 will
B0
0
1
0
wait until the read process is finished (RD signal
B1
0
1
going high) before the new data gets latched into its
output register.
C0
1
0
C1
1
0
1
At time tA (see Figure 31) the ADS7864 resets. With
Cycle Mode
1
0
the reset signal, all conversions and scheduled con-
versions are cancelled. The data in the output regis-
FIFO Mode
1
ters are also cleared. With a reset, a running conver-
With (A2 A1 A0) = 110 the interface is running in a
sion gets interrupted and all channels go into the
cycle mode (see Figure 29 and Figure 30). Here, data
sample mode again.
Figure 31. Example of Hold Signals
18
相關(guān)PDF資料
PDF描述
GMM08DRTI-S13 CONN EDGECARD 16POS .156 EXTEND
DAC5674EVM EVAL MODULE FOR DAC5674
ELJ-PE5N6KF INDUCTOR 5.6NH 10% 0603 SMD
ECM15DSEN-S13 CONN EDGECARD 30POS .156 EXTEND
AP2280-1FMG-7 IC LOAD SW CTRL 1CH 6-DFN
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADS7864Y 制造商:Texas Instruments 功能描述:IC 12BITADC SMD 7864 TQFP48 制造商:Texas Instruments 功能描述:IC, 12BITADC, SMD, 7864, TQFP48 制造商:Texas Instruments 功能描述:IC, 12BITADC, SMD, 7864, TQFP48; Resolution (Bits):12bit; Sampling Rate:1MSPS; Supply Voltage Type:Single; Supply Voltage Min:4.75V; Supply Voltage Max:5.25V; Supply Current:10mA; Digital IC Case Style:TQFP; No. of Pins:48; Input ;RoHS Compliant: Yes
ADS7864Y 制造商:Texas Instruments 功能描述:IC 12BITADC SMD 7864 TQFP48
ADS7864Y/250 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 500kHz 12-Bit 6-Ch Simltns Smplng 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
ADS7864Y/250G4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 500kHz 12-Bit 6-Ch Simltns Smplng 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
ADS7864Y/2K 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 500kHz 12-Bit 6-Ch Simltns Smplng 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
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫(xiě)一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*