參數(shù)資料
型號： ADS8422IB
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)字轉換并行接口，參考
文件頁數(shù)： 4/25頁
文件大?。?/td> 816K
代理商： ADS8422IB
www.ti.com
SPECIFICATIONS (Continued)
T
A
= –40
°
C to 85
°
C, +VA = 5 V, +VAREG = 5.25 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
DYNAMIC CHARACTERISTICS
10 kHz
–114
Total harmonic distortion (THD)
(1)
V
IN
= 8 V
pp
100 kHz
–102
dB
500 kHz
–100
10 kHz
93
Signal to noise ratio (SNR)
V
IN
= 8 V
pp
100 kHz
92
dB
500 kHz
90
10 kHz
92.5
Signal to noise + distortion (SINAD)
V
IN
= 8 V
pp
100 kHz
91.5
dB
500 kHz
89.5
10 kHz
116
Spurious free dynamic range (SFDR)
V
IN
= 8 V
pp
100 kHz
109
dB
500 kHz
106
–3dB Small signal bandwidth
30
MHz
Maximum input frequency, f
i(max)(2)
VOLTAGE REFERENCE INPUT
V
IN
= 8 V
pp
2
MHz
Reference voltage at REFIN, V
ref
Reference resistance
3.9
4.096
4.15
V
1000
M
INTERNAL REFERENCE OUTPUT
Internal reference start-up time
From 95% (+VA), with 1-
μ
F capacitor on REFOUT
I
O
= 0, T
A
= 25
°
C
Static load
25
ms
Reference voltage range, V
ref
Source current
4.088
4.096
4.104
V
10
μ
A
mV
Line regulation
+VA = 4.75 V to 5.25 V
±
1
±
6
Drift
I
O
= 0
PPM/
°
C
ANALOG COMMON-MODE, PIN 3
Output voltage range
I
O
= 0
Static load
V
REF
/2 - 0.016
V
REF
/2
200
V
REF
/2 + 0.016
V
Source current
μ
A
(1)
(2)
Calculated on the first nine harmonics of the input frequency.
ADC Sampling circuit is optimized to accept inputs until Nyquist frequency. Dynamic performance may degrade rapidly above f
i(max)
.
4
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相關PDF資料
PDF描述
ADS8422IBPFBR 16-BIT, 4-MSPS, PSEUDO-BIPOLAR, FULLY DIFFERENTIAL INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE, REFERENCE
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
相關代理商/技術參數(shù)
參數(shù)描述
ADS8422IBPFBR 功能描述:模數(shù)轉換器 - ADC 16 Bit MSPS Parallel ADC w/Ref RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
ADS8422IBPFBRG4 功能描述:模數(shù)轉換器 - ADC 16 Bit MSPS Parallel ADC w/Ref RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
ADS8422IBPFBT 功能描述:模數(shù)轉換器 - ADC 16 Bit MSPS Parallel ADC w/Ref RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
ADS8422IBPFBTG4 功能描述:模數(shù)轉換器 - ADC 16 Bit MSPS Parallel ADC w/Ref RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
ADS8422IPFBR 功能描述:模數(shù)轉換器 - ADC 16-Bit 4MSPS RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
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