參數(shù)資料
型號： ADS8380IBRHPT
英文描述： 18-BIT, 600-kHz, PSEUDO-DIFFERENTIAL INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH SERIAL INTERFACE AND REFERENCE
中文描述： 18位，600千赫，偽差分輸入，微采樣模數(shù)位串行接口和參考轉(zhuǎn)爐
文件頁數(shù)： 5/29頁
文件大?。?/td> 1397K
代理商： ADS8380IBRHPT
www.ti.com
TIMING REQUIREMENTS
(1)(2)(3)(4)(5)(6)
ADS8380
SLAS387A–NOVEMBER 2004–REVISED DECEMBER 2004
ADS8380I/ADS8380IB
MIN
1000
0.5
0.8
REF
FIGURE
PARAMETER
UNIT
TYP
MAX
1160
1000
1000
t
conv
t
acq1
t
acq2
CONVERSION AND SAMPLING
Quite sampling time (last toggle of interface signals to convert start
t
quiet1
command)
(6)
Quite sampling time (convert start command to first toggle of interface
t
quiet2
signals)
(6)
Quite conversion time (last toggle of interface signals to fall of BUSY)
(6)
t
quiet3
Conversion time
Acquisition time in normal mode
Acquisition time in nap mode (t
acq2
= t
acq1
+ t
d18
)
ns
μs
μs
41 – 44
41,42,44
43
40 – 43,
45 – 47
40 – 43,
45 – 47
40 – 43,
45,47
41
40,41
41,43,44
41
43
42
43
41,42
30
ns
10
ns
600
ns
t
su1
t
su2
t
su4
t
h1
t
h3
t
h4
t
w1
t
w2
Setup time, CONVST before BUSY fall
Setup time, CS before BUSY fall (only for conversion/sampling control)
Setup time, CONVST before CS rise (so CONVST can be recognized)
Hold time, CS after BUSY fall (only for conversion/sampling control)
Hold time, CONVST after CS rise
Hold time, CONVST after CS fall (to ensure width of CONVST_QUAL)
(4)
CONVST pulse duration
CS pulse duration
Pulse duration, time between conversion start command and conversion
abort command to successfully abort the ongoing conversion
DATA READ OPERATION
t
cyc
SCLK period
SCLK duty cycle
t
su5
Setup time, CS fall before first SCLK fall
t
su6
Setup time, CS fall before FS rise
t
su7
Setup time, FS fall before first SCLK fall
t
h5
Hold time, CS fall after SCLK fall
t
h6
Hold time, FS fall after SCLK fall
t
su2
Setup time, CS fall before BUSY fall (only for read control)
t
su3
Setup time, FS fall before BUSY fall (only for read control)
t
h2
Hold time, CS fall after BUSY fall (only for read control)
t
h8
Hold time, FS fall after BUSY fall (only for read control)
t
w2
CS pulse duration
t
w3
FS pulse duration
MISCELLANEOUS
t
w4
PD pulse duration for reset and power down
All unspecified pulse durations
15
20
5
0
7
20
20
10
ns
ns
ns
ns
ns
ns
ns
ns
t
w5
1000
ns
44
25
ns
45 – 47
40%
10
60%
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
45
7
7
3
7
46,47
46,47
45
46,47
40,45
40,47
40,45
40,47
45
46,47
20
20
15
15
10
10
60
10
ns
ns
53,54
(1)
(2)
(3)
(4)
(5)
(6)
All input signals are specified with t
= t
f
= 5 ns (10% to 90% of V
) and timed from a voltage level of (V
IL
+ V
IH
)/2.
All specifications typical at –40
°
C to 85
°
C, +VA = +4.75 V to +5.25 V, +VBD = +2.7 V to +5.25 V.
All digital output signals loaded with 10-pF capacitors.
CONVST_QUAL is CONVST latched by a low value on CS (see Figure 39).
Reference figure indicated is only a representative of where the timing is applicable and is not exhaustive.
Quiet time zones are for meeting performance and not functionality.
5
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADS8380IBRHPTG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 18-Bit 600KSPS Serial 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
ADS8380IRHPR 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 18-Bit 600KSPS Serial 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
ADS8380IRHPRG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 18-Bit 600KSPS Serial 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
ADS8380IRHPT 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 18-Bit 600KSPS Serial 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
ADS8380IRHPTG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 18-Bit 600KSPS Serial 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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