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參數(shù)資料
| 型號： | ADS8402I |
| 英文描述： | 16-BIT, 1.25 MSPS, UNIPOLAR DIFFERENTIAL INPUT, MICRO POWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE AND REFERENCE |
| 中文描述： | 16位，1.25 MSPS的，單極差動輸入，微功耗采樣模數(shù)位并行接口和參考轉(zhuǎn)爐 |
| 文件頁數(shù)： | 6/25頁 |
| 文件大?。?/td> | 212K |
| 代理商： | ADS8402I |
ADS8402
SLAS154B
–
DECEMBER 2002
–
REVISED MAY 2003
www.ti.com
6
TIMING CHARACTERISTICS
All specifications typical at
–
40
°
C to 85
°
C, +VA = 5 V, +VBD = 3 V (see Notes 1, 2, and 3)
PARAMETER
MIN
TYP
MAX
UNIT
tCONV
tACQ
tpd1
tpd2
tw1
tsu1
tw2
Conversion time
600
610
ns
Acquisition time
150
ns
CONVST low to conversion started (BUSY high)
40
ns
Propagation delay time, end of conversion to BUSY low
20
ns
Pulse duration, CONVST low
20
ns
Setup time, CS low to CONVST low
0
ns
Pulse duration, CONVST high
20
ns
CONVST falling edge jitter
10
ps
tw3
tw4
Pulse duration, BUSY signal low
Min(tACQ)
ns
Pulse duration, BUSY signal high
630
ns
th1
Hold time, first data bus transition (RD low, or CS low for read cycle, or BYTE or BUS
16/16 input changes) after CONVST low
40
ns
td1
tsu2
tw5
ten
td2
td3
tw6
th2
tpd4
tsu3
th3
tdis
td5
(1)All input signals are specified with tr = tf = 5 ns (10% to 90% of +VBD) and timed from a voltage level of (VIL + VIH)/2.
(2)See timing diagrams.
(3)All timings are measured with 10 pF equivalent loads on all data bits and BUSY pins.
Delay time, CS low to RD low
0
ns
Setup time, RD high to CS high
0
ns
Pulse duration, RD low
50
ns
Enable time, RD low (or CS low for read cycle) to data valid
30
ns
Delay time, data hold from RD high
0
ns
Delay time, BUS16/16
or
BYTE rising edge
or falling edge to data valid
2
30
ns
Pulse duration, RD high time
20
ns
Hold time, last RD (or CS for read cycle ) rising edge to CONVST falling edge
50
ns
Propagation delay time, BUSY falling edge to next RD (or CS for read cycle) falling edge
Max(td5)
ns
Setup time, BYTE rising edge to RD falling edge
0
ns
Hold time, BYTE falling edge to RD falling edge
0
ns
Disable time, RD High (CS high for read cycle) to 3-stated data bus
30
ns
Delay time, BUSY low to MSB data valid delay time
0
ns
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADS8402IB | 制造商:BB 制造商全稱:BB 功能描述:16-BIT, 1.25 MSPS, UNIPOLAR DIFFERENTIAL INPUT, MICRO POWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE AND REFERENCE |
| ADS8402IBPFBR | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16 bit 1.25MSPS Parallel W/Ref 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 |
| ADS8402IBPFBRG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16 bit 1.25MSPS Parallel W/Ref 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 |
| ADS8402IBPFBT | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16 bit 1.25MSPS Parallel W/Ref 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 |
| ADS8402IBPFBTG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16 bit 1.25MSPS Parallel W/Ref 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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