參數(shù)資料
型號： ADS8481IRGZRG4
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)： 1/31頁
文件大?。?/td> 717K
代理商： ADS8481IRGZRG4
FEATURES
0 to 1 MSPS Sampling Rate
18-Bit NMC Ensured Over Temperature
Low ±0.1 mV Offset Error
Low 0.2 ppm/°C Offset Error Temperature
Drift
Low 0.6 ppm/°C Gain Error Temperature Drift
Zero Latency
Low Power: 220 mW at 1 MSPS
Unipolar Single-Ended Input Range: 0 V to
V
ref
Onboard Reference
Onboard Reference Buffer
High-Speed Parallel Interface
Wide Digital Supply 2.7 V ~ 5.25 V
8-/16-/18-Bit Bus Transfer
7x7 QFN Package
APPLICATIONS
Medical Instruments
Optical Networking
Transducer Interface
High Accuracy Data Acquisition Systems
Magnetometers
DESCRIPTION
The ADS8481 is an 18-bit, 1-MSPS A/D converter
with
an
internal
4.096-V
pseudo-differential unipolar single-ended input. The
device includes a 18-bit capacitor-based SAR A/D
converter with
inherent
ADS8481 offers a full 18-bit interface, a 16-bit option
where data is read using two read cycles, or an 8-bit
bus option using three read cycles.
CDAC
_
+
Output
Latches
and
3-State
Drivers
BYTE
16-/8-Bit
Parallel DATA
Output Bus
BUS 18/16
SAR
Conversion
and
Control Logic
Comparator
Clock
+IN
IN
REFIN
CONVST
BUSY
CS
RD
4.096-V
Internal
Reference
REFOUT
ADS8481
SLAS385A–FEBRUARY 2006–REVISED MARCH 2006
18-BIT, 1-MSPS, PSEUDO-DIFFERENTIAL UNIPOLAR INPUT, MICROPOWER SAMPLING
ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE AND REFERENCE
reference
and
a
sample
and
hold.
The
The ADS8481 is available in a 7x7 QFN package
and is characterized over the industrial –40°C to
85°C temperature range.
HIGH SPEED SAR CONVERTER FAMILY
TYPE/SPEED
500 kHz
ADS8383
580 kHz
ADS8381
ADS8380(S)
ADS8382(S)
750 kHz
1 MHz
ADS8481
1.25 MHz
2 MHz
3 MHz
4MHz
18-Bit Pseudo-Diff
18-Bit Pseudo-Bipolar, Fully Diff
ADS8482
ADS8471
ADS8371
ADS8401
ADS8405
ADS8402
ADS8406
ADS7890 (s)
ADS8411
16-Bit Pseudo-Diff
ADS8472
ADS8412
16-Bit Pseudo-Bipolar, Fully Diff
14-Bit Pseudo-Diff
12-Bit Pseudo-Diff
ADS7891
ADS7886
ADS7883
ADS7881
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright 2006, Texas Instruments Incorporated
相關(guān)PDF資料
PDF描述
ADS8481IRGZT 18-BIT, 1-MSPS, PSEUDO-DIFFERENTIAL UNIPOLAR INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE AND REFERENCE
ADS8481IRGZTG4 18-BIT, 1-MSPS, PSEUDO-DIFFERENTIAL UNIPOLAR INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE AND REFERENCE
ADS8481PFBR 18-BIT, 1-MSPS, PSEUDO-DIFFERENTIAL UNIPOLAR INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE AND REFERENCE
ADS8481RGZR 18-BIT, 1-MSPS, PSEUDO-DIFFERENTIAL UNIPOLAR INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE AND REFERENCE
ADS8482I 18-BIT, 1-MSPS, PSEUDO-BIPOLAR, FULLY DIFFERENTIAL INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE, REFERENCE
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADS8481IRGZT 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 18-Bit 1-MSPS Pseudo 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
ADS8481IRGZTG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 18-Bit 1-MSPS Pseudo 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
ADS8481PFBR 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
ADS8481RGZR 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
ADS8482 制造商:BB 制造商全稱:BB 功能描述:16-BIT, 1-MSPS, PSEUDO-BIPOLAR, FULLY DIFFERENTIAL INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE, REFERENCE
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