參數(shù)資料
型號(hào)： MAX1168BCEG+
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 4/30頁(yè)
文件大?。?/td> 0K
描述： IC ADC 16BIT 200KSPS 24-QSOP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 50
位數(shù)： 16
采樣率（每秒）： 200k
數(shù)據(jù)接口： MICROWIRE?，QSPI?，串行，SPI?
轉(zhuǎn)換器數(shù)目： 1
功率耗散（最大）： 762mW
電壓電源： 模擬和數(shù)字
工作溫度： 0°C ~ 70°C
安裝類(lèi)型： 表面貼裝
封裝/外殼： 24-SSOP（0.154"，3.90mm 寬）
供應(yīng)商設(shè)備封裝： 24-QSOP
包裝： 管件
輸入數(shù)目和類(lèi)型： 8 個(gè)單端，單極
MAX1167/MAX1168
Track/Hold (T/H)
In track mode, the analog signal is acquired on the
internal hold capacitor. In hold mode, the T/H switches
open and the capacitive digital-to-analog converter
(DAC) samples the analog input.
During the acquisition, the analog input (AIN_) charges
capacitor CDAC. At the end of the acquisition interval
the T/H switches open. The retained charge on CDAC
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 16-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 CDAC 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
(tACQ) is the maximum time the device takes to acquire
the signal. Use the following formula to calculate acqui-
sition time:
tACQ = 11(RS + RIN + RDS(ON)) 45pF + 0.3s
where RIN = 340
Ω, RS = the input signal’s source
impedance, RDS(ON) = 60
Ω, and tACQ is never less
than 729ns. A source impedance of less than 200
Ω
does not significantly affect the ADC’s performance.
Multichannel, 16-Bit, 200ksps Analog-to-Digital
Converters
12
______________________________________________________________________________________
REFERENCE
REF
REFCAP
AVDD
DVDD
AGND
DGND
AIN0
AIN1
AIN2
AIN3
SCLK
CS
DIN
ANALOG-INPUT
MULTIPLEXER
CONTROL
ACCUMULATOR
MEMORY
INPUT REGISTER
BIAS
OSCILLATOR
OUTPUT
DOUT
EOC
ANALOG-SWITCH FINE TIMING
SUCCESSIVE-APPROXIMATION
REGISTER
MAX1167
DAC
BUFFER
AZ
RAIL
COMPARATOR
Figure 3. MAX1167 Functional Diagram
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1168BCEG+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-Bit 8Ch 200ksps 5.25V Precision 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(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
MAX1168BCEG+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-Bit 8Ch 200ksps 5.25V Precision 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(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
MAX1168BCEG-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(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
MAX1168BEEG 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(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
MAX1168BEEG+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-Bit 8Ch 200ksps 5.25V Precision 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(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
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