參數(shù)資料
型號： LM12L458
廠商： National Semiconductor Corporation
英文描述： 12-Bit Sign Data Acquisition System with Self-Calibration
中文描述： 12位注冊數(shù)據(jù)采集系統(tǒng)自校準
文件頁數(shù)： 16/36頁
文件大?。?/td> 695K
代理商： LM12L458
Timing Diagrams
V
A
+ = V
D
+ = +3.3V, t
R
= t
F
= 3 ns, C
L
= 100 pF for the INT, DMARQ, D0–D15
outputs. (Continued)
8: RD pulse width
9: RD high to next RD or WR low
11: WR pulse width
13: WR high to next WR or RD low
14: Data valid to WR high set-up time
15: Data valid to WR high hold time
V
A
+ = V
D
+ = +3.3V, t
R
= t
F
= 3 ns, C
L
= 100 pF for the INT, DMARQ, D0–D15 outputs.
16: RD low to data bus out of TRI-STATE
17: RD high to TRI-STATE
18: RD low to data valid (access time)
19: Address invalid from RD or WR high (hold time)
20: CS low or address valid to RD low
21: CS low or address valid to WR low
22: INT high from RD low
23: DMARQ low from RD low
DS011711-20
FIGURE 11. Non-Multiplexed Data Bus (ALE = 1)
DS011711-21
FIGURE 12. Interrupt and DMARQ
www.national.com
16
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相關代理商/技術參數(shù)
參數(shù)描述
LM12L458_06 制造商:NSC 制造商全稱:National Semiconductor 功能描述:12-Bit + Sign Data Acquisition System with Self-Calibration
LM12L458CIV 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
LM12L458CIV/NOPB 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
LM12L458CIVF 制造商:Rochester Electronics LLC 功能描述:12-BIT PARALLEL I/O DAS - Bulk
LM12L458CIVF/NOPB 制造商:Texas Instruments 功能描述:ADC Single 114ksps 12-bit+Sign Parallel 44-Pin PLCC
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