參數(shù)資料
型號(hào)： THS1209IDAR
廠商： TEXAS INSTRUMENTS INC
元件分類： ADC
英文描述： 2-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO32
封裝： GREEN, PLASTIC, TSSOP-32
文件頁(yè)數(shù)： 17/33頁(yè)
文件大?。?/td> 312K
代理商： THS1209IDAR
THS1209
SLAS288B – JULY 2000 – REVISED DECEMBER 2002
www.ti.com
24
Read Timing (using RD, RD-controlled)
Figure 29 shows the read-timing behavior when the WR(R/W) input is programmed as a write-input only. The input
RD acts as the read-input in this configuration. This timing is called RD-controlled because RD is the last external
signal of CS0, CS1, and RD which becomes valid.
90%
10%
tw(RD)
tsu(CS)
th(CS)
ta
th
td(CSDAV)
CS0
CS1
WR
RD
D(0–9)
DATA_AV
10%
Figure 29. Read Timing Diagram Using RD (RD-controlled)
Read Timing Parameter (RD-controlled)
PARAMETER
MIN
TYP
MAX
UNIT
tsu(CS)
Setup time, RD low to last CS valid
0
ns
ta
Access time, last CS valid to data valid
0
10
ns
td(CSDAV) Delay time, last CS valid to DATA_AV inactive
12
ns
th
Hold time, first CS invalid to data invalid
0
5
ns
th(CS)
Hold time, RD change to first CS invalid
5
ns
tw(RD)
Pulse duration, RD active
10
ns
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THS1209IDA 2-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO32
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THS1215CDWG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 15 MSPS w/Low Pwr & exc ENOB 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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