參數(shù)資料
型號(hào)： XRD64L43AIV
廠商： EXAR CORP
元件分類(lèi)： 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(yè)數(shù)： 11/20頁(yè)
文件大小： 5651K
代理商： XRD64L43AIV
Preliminary
XRD64L43
11
Rev. P1.00
Differential Inputs
The XRD64L43 can be used in either differential or
single-ended input mode. For single-ended inputs, see
the Single-Ended Inputs Section. Differential inputs
reduce system noise by removing noise components
common at both input pins. Figure 5. is a simplified
diagram that is used as a common test circuit with our
XRD64L43ES application board. This circuit is used to
evaluate the dynamic performance of the XRD64L43
using differential inputs. Pin 16, DIFF should be held
high to select differential inputs.
Input A
Input B
VINA(+)
VCMO
VINA(-)
VINB(+)
VINB(-)
50
50
22
22
22
22
Transformer
Transformer
Figure 5. Common Test Circuit for the
Differential Input Mode
SYNCO, Data Valid Delay and Latency
SYNCO is an output pin provided by the XRD64L43.
Valid data is available on the rising edge of SYNCO,
see Figure 6. The Latency for the XRD64L43 is 17
clock cycles.
Figure 6. SYNCO, Data Valid Delay and Latency
for the XRD64L43
Auto-Calibration
The XRD64L43 incorporates an auto-calibration cir-
cuit which continuously adjusts and matches the
offset and linearity of each ADC. This auto-calibra-
tion circuit is transparent to the user after the initial
4.2ms calibration (168,000 initial clock cycles).
Note:
To avoid auto-calibration after power down, do
not disable CKIN. CKIN can be slowed down significantly
to save power without losing calibration.
CKIN
SYNCO
Valid Data
N
N-16
N-17
N-15
N+1
N+2
t
den
=20ns
t
synco
=2ns (typical)
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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(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
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(chēng):EXAR 功能描述:Dual 10-Bit 50MSPS CMOS ADC
XRD64L44AIV 制造商:EXAR 制造商全稱(chēng):EXAR 功能描述:Dual 10-Bit 50MSPS CMOS ADC
XRD66092AID 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Analog-to-Digital Converter， 12-Bit
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