參數(shù)資料
型號： ADS8342IBPFBTG4
廠商： TEXAS INSTRUMENTS INC
元件分類： ADC
英文描述： 4-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PQFP48
封裝： GREEN, PLASTIC, TQFP-48
文件頁數(shù)： 3/28頁
文件大小： 1129K
代理商： ADS8342IBPFBTG4
ADS8342
SBAS277 – MAY 2003
www.ti.com
11
TIMING REQUIREMENTS(1)(2)
Over recommended operating free-air temperature range at –40
°C to +85°C, and BVDD = +5V, unless otherwise noted.
ADS8342I
ADS8342IB
PARAMETER
SYMBOL
MIN
MAX
MIN
MAX
UNIT
Conversion time
tCONV
17
:
tC1
Acquisition time
tACQ
3
:
tC1
CLK period
tC1
0.2
2
:
s
CLK high time (for 5MHz clock frequency)
tW1
25
:
ns
CLK low time (for 5MHz clock frequency)
tW2
40
:
ns
CONV low to CLK high
tD1
40
:
ns
CONV low time
tW3
40
:
ns
CS low to CONV low
tD2
0
:
ns
CONV low to BUSY high
tD3
70
:
ns
CONV and CS high to 2nd CLK high(3)
tD4
80
:
ns
18 CLK high to BUSY low
tD5
60
:
ns
18 CLK low to CS low
tD6
0
:
ns
CS low to RD low
tD7
0
:
ns
CS high time
tW4
40
:
ns
RD low time
tW5
40
:
ns
RD low to data valid
tD8
25
:
ns
RD high to CS high
tD9
0
:
ns
Data hold from RD high
tD10
5
:
ns
RD high to CONV low
tD11
1.5
:
tC1
RD high time
tW6
40
:
ns
BYTE change to RD low(4)
tD12
20
:
ns
A0 and A1 to CONV low
tD13
40
:
ns
A0 and A1 hold to CONV high
tD14
10
:
ns
: Indicates the same specifications as the ADS8342I.
(1) All input signals are specified with rise and fall times of 5ns, tR = tF = 5ns (10% to 90% of BVDD), and timed from a voltage level of (VIL + VIH)/2.
(2) See timing diagram in Figure 2.
(3) CS can stay low during conversion. If it is not held low, then CS high to 2nd CS high must be > 80ns (tD4)
(4) BYTE is asynchronous. When BYTE is 0, bits 15 through 0 appear at DB15–DB0. When BYTE is 1, bits 15 through 8 appear on DB7–DB0.
RD may remain low between changes in BYTE.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADS8342IPFB 制造商:Texas Instruments 功能描述:
ADS8342IPFBR 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-Bit 250 kSPS Par. Out 4 true bi ch 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
ADS8342IPFBRG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-Bit 250 kSPS Par. Out 4 true bi ch 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
ADS8342IPFBT 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-Bit 250 kSPS Par. Out 4 true bi ch 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
ADS8342IPFBTG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-Bit 250 kSPS Par. Out 4 true bi ch 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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