參數(shù)資料
型號： ADS8481IBRGZRG4
英文描述： 18-BIT, 1-MSPS, PSEUDO-DIFFERENTIAL UNIPOLAR INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE AND REFERENCE
中文描述： 18位，1 MSPS的，偽差分單極輸入，微采樣模擬到數(shù)字轉(zhuǎn)換并行接口和參考
文件頁數(shù)： 3/31頁
文件大小： 717K
代理商： ADS8481IBRGZRG4
www.ti.com
SPECIFICATIONS
T
A
= –40°C to 85°C, +VA = 5 V, +VBD = 3 V or 5 V, V
ref
= 4.096 V, f
SAMPLE
= 1 MSPS (unless otherwise noted)
ADS8481
SLAS385A–FEBRUARY 2006–REVISED MARCH 2006
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
ANALOG INPUT
Full-scale input voltage
(1)
+IN – (–IN)
+IN
–IN
0
V
ref
V
–0.2
–0.2
V
ref
+0.2
Absolute input voltage
V
0.2
Input capacitance
Input leakage current
SYSTEM PERFORMANCE
Resolution
65
1
pF
nA
18
18
18
–5 –1.5/+1.9
–3.5 –1.5/+1.9
–1 –0.5/+0.7
–1 –0.5/+0.7
–0.5
–0.5
Bits
ADS8481I
ADS8481IB
ADS8481I
ADS8481IB
ADS8481I
ADS8481IB
ADS8481I
ADS8481IB
18
No missing codes
Bits
5
LSB
(18 bit)
Integral linearity
(2)(3)
3.5
2.5
1.5
0.5
0.5
LSB
(18 bit)
Differential linearity
±0.1
±0.1
±0.2
±0.05
±0.05
±0.6
Offset error
(4)
mV
Offset error temperature drift
ppm/°C
%FS
%FS
ppm/°C
μ
V RMS
dB
ADS8481I
ADS8481IB
V
ref
= 4.096 V
V
ref
= 4.096 V
–0.075
–0.075
0.075
0.075
Gain error
(4)(5)
Gain error temperature drift
Noise
Power supply rejection ratio
SAMPLING DYNAMICS
Conversion time
Acquisition time
Throughput rate
Aperture delay
Aperture jitter
Step response
Over voltage recovery
30
60
At 3FFFFh output code
650
710
ns
ns
MHz
ns
ps
ns
ns
250
1
4
5
150
150
(1)
(2)
(3)
(4)
(5)
Ideal input span, does not include gain or offset error.
LSB means least significant bit
This is endpoint INL, not best fit.
Measured relative to an ideal full-scale input [+IN – (–IN)] of 4.096 V
This specification does not include the internal reference voltage error and drift.
3
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相關(guān)PDF資料
PDF描述
ADS8481IBRGZT 18-BIT, 1-MSPS, PSEUDO-DIFFERENTIAL UNIPOLAR INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE AND REFERENCE
ADS8481IBRGZTG4 18-BIT, 1-MSPS, PSEUDO-DIFFERENTIAL UNIPOLAR INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE AND REFERENCE
ADS8481IPFBR 18-BIT, 1-MSPS, PSEUDO-DIFFERENTIAL UNIPOLAR INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE AND REFERENCE
ADS8481IPFBT 18-BIT, 1-MSPS, PSEUDO-DIFFERENTIAL UNIPOLAR INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE AND REFERENCE
ADS8481IRGZR 18-BIT, 1-MSPS, PSEUDO-DIFFERENTIAL UNIPOLAR INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE AND REFERENCE
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADS8481IBRGZT 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 18-Bit 1-MSPS Pseudo Diff Unipolar Input 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
ADS8481IBRGZTG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 18-Bit 1-MSPS Pseudo Diff Unipolar Input 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
ADS8481IPFBR 制造商:BB 制造商全稱:BB 功能描述:18-BIT, 1-MSPS, PSEUDO-DIFFERENTIAL UNIPOLAR INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE AND REFERENCE
ADS8481IPFBT 制造商:BB 制造商全稱:BB 功能描述:18-BIT, 1-MSPS, PSEUDO-DIFFERENTIAL UNIPOLAR INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE AND REFERENCE
ADS8481IRGZR 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 18-Bit 1MSPS Parall ADC 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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