參數(shù)資料
型號(hào)： ADS8422IBPFBR
英文描述： 16-BIT, 4-MSPS, PSEUDO-BIPOLAR, FULLY DIFFERENTIAL INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE, REFERENCE
中文描述： 16位4 MSPS的，偽雙極，全差分輸入，微采樣模擬到數(shù)字轉(zhuǎn)換并行接口，參考
文件頁(yè)數(shù)： 3/25頁(yè)
文件大?。?/td> 816K
代理商： ADS8422IBPFBR
www.ti.com
SPECIFICATIONS
T
A
= –40
°
C to 85
°
C, +VA = 5 V, +VAREG = 5 V to 3 V, +VBD = 5 V to 2.7 V, f
SAMPLE
= 4 MSPS, V
ref
= 4.096 V (measured
with internal reference buffer) (unless otherwise noted)
ADS8422
SLAS512B–JUNE 2006–REVISED DECEMBER 2006
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
ANALOG INPUT
Full-scale input voltage
(1)
+IN – (–IN)
–V
ref
–0.2
V
ref
V
+IN
V
ref
+ 0.2
V
ref
+ 0.2
(V
ref
)/2 + 0.2
Absolute input voltage
V
–IN
–0.2
Common-mode input range
(V
ref
)/2 – 0.2
(V
ref
)/2
V
Input capacitance
30
pF
Input leakage current
1
nA
SYSTEM PERFORMANCE
Resolution
16
Bits
ADS8422I
15
No missing codes
Bits
ADS8422IB
16
ADS8422I
–6
±
2
±
1
6
LSB
Integral linearity
(2)(3)
(16 bit)
(2)
ADS8422IB
–2
2
ADS8422I
–2
±
0.7
±
0.7
±
0.25
±
0.2
±
0.05
2
LSB
(16 bit)
Differential linearity
ADS8422IB
–1
1.5
Offset error
–0.5
0.5
mV
Offset error drift
ppm/
°
C
%FS
Gain error
(4)(5)
V
ref
= 4.096 V
V
ref
= 4.096 V
At dc
–0.1
0.1
Gain error drift
±
2
81
ppm/
°
C
Common-mode rejection ratio
dB
At code 0000h with [+IN + (–IN)]/2 =
512 mV
pp
at 500 kHz,
At 0000h output code
78
Noise
40
μ
V RMS
dB
Power supply rejection ratio
At 8000h output code
78
SAMPLING DYNAMICS
Conversion time
0.180
μ
s
μ
s
MHz
Acquisition time
0.070
Throughput rate
4
Aperture delay
3
ns
Aperture jitter
7
ps RMS
Step response
70
ns
Overvoltage recovery
140
ns
(1)
(2)
(3)
(4)
(5)
Ideal input span, does not include gain or offset error.
LSB means least significant bit and is equal to 2V
REF
/65536.
This is endpoint INL, not best fit.
Measured relative to an ideal full-scale input [+IN – (–IN)] of 8.192 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
ADS8422IBPFBT 16-BIT, 4-MSPS, PSEUDO-BIPOLAR, FULLY DIFFERENTIAL INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE, REFERENCE
ADS8422IPFBR 16-BIT, 4-MSPS, PSEUDO-BIPOLAR, FULLY DIFFERENTIAL INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE, REFERENCE
ADS8422IPFBT 16-BIT, 4-MSPS, PSEUDO-BIPOLAR, FULLY DIFFERENTIAL INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE, REFERENCE
ADS8481IBPFBR 18-BIT, 1-MSPS, PSEUDO-DIFFERENTIAL UNIPOLAR INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE AND REFERENCE
ADS8481IBPFBT 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
ADS8422IBPFBRG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16 Bit MSPS Parallel 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
ADS8422IBPFBT 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16 Bit MSPS Parallel 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
ADS8422IBPFBTG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16 Bit MSPS Parallel 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
ADS8422IPFBR 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-Bit 4MSPS 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
ADS8422IPFBRG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-Bit 4MSPS 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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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