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參數(shù)資料
| 型號： | MAX11131ATI+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 8/37頁 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT SRL 28-TQFN-EP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 25 |
| 位數(shù)： | 12 |
| 采樣率（每秒）： | 3M |
| 數(shù)據(jù)接口： | DSP，MICROWIRE?，QSPI?，串行，SPI? |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 2.76W |
| 電壓電源： | 模擬和數(shù)字 |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 28-WFQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 28-TQFN-EP（5x5） |
| 包裝： | 管件 |
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16
Maxim Integrated
MAX11129–MAX11132
3Msps, Low-Power, Serial 12-/10-Bit,
8-/16-Channel ADCs
Figure 2c. External Clock Mode Timing Diagram with CHAN_ID=0
Single-Ended, Differential,
and Pseudo-Differential Input
The MAX11129–MAX11132 include up to 16 analog input
channels that can be configured to 16 single-ended
inputs, 8 fully differential pairs, or 15 pseudo-differential
inputs with respect to one common input (REF-/AIN15 is
the common input).
The analog input range is 0V to VREF+ in single-ended
and pseudo-differential mode (unipolar) and QVREF+/2 or
Q
VREF+ in fully differential mode (bipolar) depending on
the RANGE register settings. See Table 7 for the RANGE
register setting.
Unipolar mode sets the differential input range from 0
to VREF+. If the positive analog input swings below the
negative analog input in unipolar mode, the digital output
code is zero. Selecting bipolar mode sets the differential
input range to QVREF+/2 or QVREF+ depending on the
RANGE register settings (Table 7).
In single-ended mode, the ADC always operates in uni-
polar mode. The analog inputs are internally referenced
to GND with a full-scale input range from 0 to VREF+.
Single-ended conversions are internally referenced to
GND (Figure 3).
The MAX11129–MAX11132 feature 15 pseudo differen-
tial inputs by setting the PDIFF_COM bits in the Unipolar
register to 1 (Table 10). The 15 analog input signals
inputs are referenced to a DC signal applied to the
REF-/AIN15.
Fully Differential Reference (REF+, REF-)
When the reference is used in fully differential mode
(REFSEL = 1), the full-scale range is set by the difference
between REF+ and REF-. The output clips if the input
signal surpasses this reference range.
ADC Transfer Function
The output format of the MAX11129–MAX11132 is straight
binary in unipolar mode and two’s complement in bipolar
mode. The code transitions midway between successive
integer LSB values, such as 0.5 LSB, 1.5 LSB. Figure 4
and Figure 5 show the unipolar and bipolar transfer func-
tion, respectively. Output coding is binary, with 1 LSB =
VREF+/4096.
Figure 3. Equivalent Input Circuit
23
45
67
8
110111213141516
9
CS
SCLK
DIN
DOUT
0
LSB
MSB] MSB-1 MSB-2
DI[15]
DI[1]
0
DI[0]
DI[14]
DAC
COMPARATOR
DAC
AINn
AINn+1
(GND)
HOLD
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX11131ATI+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12Bit 16Ch 3Msps 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX11131ATI+T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12Bit 16Ch 3Msps 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX11131AUI+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12Bit 16 Ch 3Msps Serial 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX11131AUI+T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12Bit 16 Ch 3Msps Serial 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX11131EVKIT# | 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 MAX11131 Eval Kit RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V |
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