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參數(shù)資料
| 型號： | XRD64L43AIV |
| 廠商： | EXAR CORP |
| 元件分類： | ADC |
| 英文描述： | Dual 10-Bit 40MSPS CMOS ADC |
| 中文描述： | 2-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP64 |
| 封裝： | 10 X 10 MM, 1.40 MM, HEIGHT, LQFP-64 |
| 文件頁數(shù)： | 1/20頁 |
| 文件大小： | 5651K |
| 代理商： | XRD64L43AIV |
EXAR
Corporation, 48720 Kato Road, Fremont, CA 94538
(510) 668-7000
FAX (510) 668-7017
Rev. P1.00
Preliminary
Dual 10-Bit 40MSPS CMOS ADC
July 2003
FEATURES
1
0-Bit Resolution
Two Monolithic Complete 10-Bit ADCs
40 MSPS Conversion Rate
On-Chip Track-and-Hold
On-Chip Voltage Reference
Low 5 pF Input Capacitance
TTL/CMOS Outputs
Tri-State Output Buffers
Single +3.0V Power Supply Operation
Low Power Dissipation: 200mW-typ @ 2.7V
Power Down Mode Less Than 5mW
75dB Crosstalk (fin=1.0MHz)
-40
°
C to +85
°
C Operation Temperature Range
APPLICATIONS
Medical Imaging
Instrumentation
Data Aquisition Systems
Digital Comunications
BENEFITS
Reduction of Components
Reduction of System Cost
High Performance @ Low Power Dissipation
Long Term Time and Temperature Stability
GENERAL DESCRIPTION
The XRD64L43 is two 10-bit, monolithic, 40 MSPS
ADCs. Manufactured using a standard CMOS pro-
cess, the XRD64L43 offers low power, low cost and
excellent performance. The on-chip track-and-hold
amplifier(T/H) and voltage reference (VREF) eliminate
the need for external active components, requiring only
an external ADC conversion clock for the application.
The XRD64L43 analog input can be driven with ease
due to the high input impedance.
The design architecture uses 17 time- interleaved 10-
bit SAR ADCs in each converter to achieve high
conversion rate of 40 MSPS minimum. In order to
insure and maintain accurate 10-bit operation with
respect to time and temperature, XRD64L43 incorpo-
rates an auto-calibration circuit which continuously
adjusts and matches the offset and linearity of each
ADC. This auto-calibration circuit is transparent to the
user after the nitial 4.2ms calibration (168,000 nitial clock
cycles).
The power dissipation s only 200mW at 40 MSPS with +2.7V
power supply.
The digital output data s straight binary format, and the tri-
state disable function s provided for common bus nterface.
The XRD64L43 internal reference provides cost savings
and simplifies the design/development. The output voltage
of the nternal reference s set by two external resistors. The
internal reference can be disabled f an external reference s
used for a power savings of 50mW.
ORDERING INFORMATION
Part Number
Package Type
Temperature Range
XRD64L43AIV
64-Lead LQFP
-40°C to +85°C
XRD64L43
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XRD64L43AIV-F | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10 Bit40 MSPSADC 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 |
| XRD64L43AIVTR-F | 制造商:Exar Corporation 功能描述:ADC Dual SAR 40Msps 10-bit Parallel 64-Pin LQFP T/R 制造商:Exar Corporation 功能描述:XRD64L43AIVTR-F |
| XRD64L44 | 制造商:EXAR 制造商全稱:EXAR 功能描述:Dual 10-Bit 50MSPS CMOS ADC |
| XRD64L44AIV | 制造商:EXAR 制造商全稱:EXAR 功能描述:Dual 10-Bit 50MSPS CMOS ADC |
| XRD66092AID | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog-to-Digital Converter， 12-Bit |
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