參數(shù)資料
型號(hào)： MAX1067BEEE
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： ADC
英文描述： Multichannel, 14-Bit, 200ksps Analog-to-Digital Converters
中文描述： 4-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO16
封裝： 0.150 INCH, 0.250 INCH PITCH, MO-137AB, QSOP-16
文件頁(yè)數(shù)： 12/30頁(yè)
文件大?。?/td> 447K
代理商： MAX1067BEEE
M
During the acquisition, the analog input (AIN_) charges
capacitor C
DAC
. At the end of the acquisition interval
the T/H switches open. The retained charge on C
DAC
represents a sample of the input.
In hold mode, the capacitive DAC adjusts during the
remainder of the conversion cycle to restore node
ZERO to zero within the limits of 14-bit resolution. At the
end of the conversion, force
CS
high and then low to
reset the T/H switches back to track mode (AIN_),
where C
DAC
charges to the input signal again.
The time required for the T/H to acquire an input signal
is a function of how quickly its input capacitance is
charged. If the input signal’s source impedance is high,
the acquisition time lengthens and more time must be
allowed between conversions. The acquisition time
(t
ACQ
) is the maximum time the device takes to acquire
the signal. Use the following formula to calculate acqui-
sition time:
t
ACQ
= 11(R
S
+ R
IN
+ R
DS(ON)
)
45pF + 0.3μs
where R
IN
= 340
, R
S
= the input signal’s source
impedance, R
DS(ON)
= 60
, and t
ACQ
is never less
than 729ns. A source impedance less than 200
does
not significantly affect the ADC’s performance. The
MAX1068 features a 16-bit-wide data-transfer mode
Multichannel, 14-Bit, 200ksps Analog-to-Digital
Converters
12
______________________________________________________________________________________
REFERENCE
REF
REFCAP
AV
DD
DV
DD
AGND
AGND
DGND
AIN0
AIN1
AIN2
AIN3
SCLK
CS
DIN
ANALOG-INPUT
MULTIPLEXER
MULTIPLEXER
CONTROL
ACCUMULATOR
MEMORY
INPUT REGISTER
BIAS
OSCILLATOR
OUTPUT
DOUT
EOC
ANALOG-SWITCH FINE TIMING
SUCCESSIVE-APPROXIMATION
REGISTER
MAX1067
DAC
BUFFER
AZ
RAIL
COMPARATOR
Figure 3. MAX1067 Functional Diagram
相關(guān)PDF資料
PDF描述
MAX1067CCEE Multichannel, 14-Bit, 200ksps Analog-to-Digital Converters
MAX1067CEEE Multichannel, 14-Bit, 200ksps Analog-to-Digital Converters
MAX1083 300ksps/400ksps, Single-Supply, 4-Channel, Serial 10-Bit ADCs with Internal Reference
MAX1082 300ksps/400ksps, Single-Supply, 4-Channel, Serial 10-Bit ADCs with Internal Reference
MAX1082-MAX1083 300ksps/400ksps, Single-Supply, 4-Channel, Serial 10-Bit ADCs with Internal Reference
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1067BEEE+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC MULTICH 200KSPS ANLG-DGTL CNVTRS 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
MAX1067BEEE+T 制造商:Maxim Integrated Products 功能描述:- Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC ADC 14BIT SRL 200KSPS 16QSOP 制造商:Maxim Integrated Products 功能描述:MULTICH 200KSPS ANLG-DGTL CNVTRS
MAX1067BEEE-T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 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
MAX1067CCEE 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 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
MAX1067CCEE-T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 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
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