參數(shù)資料
型號： ADS8380IBRHPR
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)： 3/29頁
文件大小： 1397K
代理商： ADS8380IBRHPR
www.ti.com
SPECIFICATIONS
At –40
°
C to 85
°
C, +VA = +5 V, +VBD = +5 V or +VBD = +2.7 V, using internal or external reference, f
SAMPLE
= 600 kHz,
unless otherwise noted. (All performance parameters are valid only after device has properly resumed from power down, see
Table 2.)
ADS8380
SLAS387A–NOVEMBER 2004–REVISED DECEMBER 2004
ADS8380IB
ADS8380I
PARAMETER
TEST CONDITIONS
UNIT
MIN
TYP
MAX
MIN
TYP
MAX
ANALOG INPUT
Full-scale
input voltage
(1)
+IN – (–IN)
0
V
ref
0
V
ref
V
+IN
–0.2
V
ref
+ 0.2
-0.2
V
ref
+ 0.2
Absolute input voltage
V
–IN
–0.2
0.2
-0.2
0.2
Sampling capacitance
(measured from
±
IN to
AGND)
40
40
pF
Input leakage current
1
1
nA
SYSTEM PERFORMANCE
Resolution
18
18
Bits
No missing codes
18
17
Bits
Quiet zones observed
–4
±
2
4
–6
6
LSB
(18 bit)
INL
Integral linearity
(2)(3)(4)
Quiet zones not observed
±
2.75
±
0.75
±
1.5
±
0.4
Quiet zones observed
–1
1.5
–2
2.5
LSB
(18 bit)
DNL
Differential linearity
(3)
Quiet zones not observed
E
O
E
G
Offset error
(3)
–0.75
0.75
–1.5
1.5
mV
Gain error
(3)(5)
–0.075
0.075
-0.1
0.1
%FS
At DC
80
80
Common-mode rejection
ratio
[+IN – (–IN)] = V
/2 with
50 mV
common mode
signal at 1 MHz
CMRR
dB
55
55
Noise
At 0 V analog input
40
40
μ
V RMS
DC Power supply rejec-
tion ratio
PSRR
At full scale analog input
55
55
dB
SAMPLING DYNAMICS
Conversion time
1.16
1.16
μ
s
μ
s
kHz
Acquisition time
0.50
1000
0.50
1000
Throughput rate
600
600
Aperture delay
10
10
ns
Aperture jitter
12
12
ps RMS
Step response
(6)
400
400
ns
Overvoltage recovery
400
400
ns
(1)
(2)
(3)
(4)
(5)
(6)
Ideal input span; does not include gain or offset error.
LSB means least significant bit.
Measured using analog input circuit in Figure 51 and digital stimulus in Figure 56 and Figure 57 and reference voltage of 4.096 V.
This is endpoint INL, not best fit.
Measured using external reference source so does not include internal reference voltage error or drift.
Defined as sampling time necessary to settle an initial error of Vref on the sampling capacitor to a final error of 1 LSB at 18-bit level.
Measured using the input circuit in Figure 51.
3
相關(guān)PDF資料
PDF描述
ADS8380IBRHPT 18-BIT, 600-kHz, PSEUDO-DIFFERENTIAL INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH SERIAL INTERFACE AND REFERENCE
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADS8380IBRHPRG4 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
ADS8380IBRHPT 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
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
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