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參數(shù)資料
| 型號： | MAX11200EEE+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 3/27頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 24 SRL 480SPS 16QSOP |
| 產品培訓模塊： | MAX11200 ADC Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 100 |
| 位數(shù)： | 24 |
| 采樣率（每秒）： | 480 |
| 數(shù)據(jù)接口： | 串行，SPI? |
| 轉換器數(shù)目： | 1 |
| 功率耗散（最大）： | 667mW |
| 電壓電源： | 模擬和數(shù)字 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-SSOP（0.154"，3.90mm 寬） |
| 供應商設備封裝： | 16-QSOP |
| 包裝： | 管件 |
| 輸入數(shù)目和類型： | 1 個差分，單極；1 個差分，雙極 |
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11
Maxim Integrated
24-Bit, Single-Channel, Ultra-Low-Power,
Delta-Sigma ADCs with GPIO
MAX11200/MAX11210
Noise vs. Data Rate
The devices offer software-selectable internal oscillator
frequencies as well as software-selectable output data
rates. The LINEF bit in the CTRL1 register (Table 12)
determines the internal oscillator frequency. The RATE
bits in the command byte (Table 8) determine the ADC’s
output data rate. The devices also offer the option of
running in zero latency single-cycle conversion mode
(Table 2) or continuous conversion mode (Table 1). Set
SCYCLE = 0 in the CTRL1 register (Table 12) to run in
continuous conversion mode and SCYCLE = 1 for single-
cycle conversion mode.
Single-cycle conversion mode gives an output result with
no data latency. The devices output data up to 100sps
(2.048MHz internal oscillator) or 120sps (2.4576MHz
internal oscillator) with no data latency. In continuous
conversion mode, the output data rate is four times the
single-cycle conversion mode, for sample rates up to
400sps or 480sps. In continuous conversion mode, the
output data requires three additional 24-bit cycles to
settle from an input step.
Digital Filter
The devices include a SINC4 digital filter that produces
spectral nulls at the multiples of the data rate. For all
data rates less than 30sps, a spectral null occurs at the
line frequency of 60Hz and is guaranteed to attenuate
60Hz normal-mode components by more than 100dB.
Simultaneous 50Hz and 60Hz attenuation can be accom-
plished by using an external clock with a frequency
of 2.25275MHz. This guarantees a minimum of 80dB
rejection at 50Hz and 85dB rejection at 60Hz. The SINC4
filter has a -3dB frequency equal to 24% of the data rate.
See Figures 1 and 2.
GPIOs
The devices provide four GPIO ports. When set as out-
puts, these digital I/Os can be used to drive the digital
inputs to a multiplexer or multichannel switch. Figure 3
details an example where four single-ended signals are
multiplexed in a break-before-make switching sequence,
using the MAX313, a quad SPST analog switch.
The devices’ GPIO ports are configurable through the
CTRL2 register. See Table 13. To select AIN1, write the
command to CTRL2 according to Table 4a.
Table 3a. Example of Self-Calibration
Table 3b. Example of System Calibration
STEP
DESCRIPTION
REGISTER
BIT
SCOC
SCGC
SOC
SGC
NOSYSG
NOSYSO
NOSCG
NOSCO
1
Initial power-up
0x000000
1
2
Enable self-calibration registers
0x000000
1
0
3
Self-calibration, DIN = 10010000
0x00007E 0xBFD345 0x000000
0x000000
1
0
STEP
DESCRIPTION
REGISTER
BIT
SCOC
SCGC
SOC
SGC
NOSYSG
NOSYSO
NOSCG
NOSCO
1
Initial power-up
0x000000
1
2
Enable self-calibration registers
0x000000
1
0
3
Self-calibration, DIN = 10010000
0x00007E 0xBFD345 0x000000
0x000000
1
0
4
Enable system offset register
0x00007E 0xBFD345 0x000000
0x000000
1
0
5
System-calibration offset, DIN = 1010000
0x00007E 0xBFD345 0xFFEE1D 0x000000
1
0
6
Enable system gain register
0x00007E 0xBFD345 0xFFEE1D 0x000000
0
7
System-calibration gain, DIN = 1011000
0x00007E 0xBFD345 0xFFEE1D 0x81CB5B
0
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX11200EEE+ | 功能描述:模數(shù)轉換器 - ADC 24-Bit Delta-Sigma RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率: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 |
| MAX11200EEE+T | 功能描述:模數(shù)轉換器 - ADC 24-Bit Delta-Sigma RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率: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 |
| MAX11200EVKIT+ | 功能描述:數(shù)據(jù)轉換 IC 開發(fā)工具 MAX11200 Eval Kit RoHS:否 制造商:Texas Instruments 產品: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 |
| MAX11201 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:24-Bit, Single-Channel, Ultra-Low-Power, Delta Sigma ADC with 2-Wire Serial Interface |
| MAX11201AEUB+ | 功能描述:模數(shù)轉換器 - ADC 24-Bit Delta-Sigma RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率: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 |
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