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參數(shù)資料
| 型號： | MAX11636EEE+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 7/24頁 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT SRL 300KSPS 16QSOP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 位數(shù)： | 12 |
| 采樣率（每秒）： | 300k |
| 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）： | 667mW |
| 電壓電源： | 單電源 |
| 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(yīng)商設(shè)備封裝： | 16-QSOP |
| 包裝： | 管件 |
| 輸入數(shù)目和類型： | 8 個單端，單極；4 個差分，單極；4 個差分，雙極 |
MAX11634–MAX11637
12-Bit, 300ksps ADCs with Differential
Track/Hold, and Internal Reference
______________________________________________________________________________________
15
Setup Register
Write a byte to the setup register to configure the clock,
reference, and power-down modes. Table 3 details the
bits in the setup register. Bits 5 and 4 (CKSEL1 and
CKSEL0) control the clock mode, acquisition and sam-
pling, and the conversion start. Bits 3 and 2 (REFSEL1
and REFSEL0) control internal or external reference use.
Bits 1 and 0 (DIFFSEL1 and DIFFSEL0) address the
unipolar mode and bipolar mode registers and configure
the analog input channels for differential operation.
Unipolar/Bipolar Mode Registers
The final 2 bits (LSBs) of the setup register control the
unipolar/bipolar mode address registers. Set bits 1 and
0 (DIFFSEL1 and DIFFSEL0) to 10 to write to the unipo-
lar mode register. Set bits 1 and 0 to 11 to write to the
bipolar mode register. In both cases, the setup byte
must be followed immediately by 1 byte of data written
to the unipolar register or bipolar register. Hold CS low
and run 16 SCLK cycles before pulling CS high. If the
last 2 bits of the setup register are 00 or 01, neither the
unipolar mode register nor the bipolar mode register is
written. Any subsequent byte is recognized as a new
input data byte. See Tables 4 and 5 to program the
unipolar and bipolar mode registers.
If a channel is configured as both unipolar and bipolar,
the unipolar setting takes precedence. In unipolar
mode, AIN+ can exceed AIN- by up to VREF. The out-
put format in unipolar mode is binary. In bipolar mode,
either input can exceed the other by up to VREF/2. The
output format in bipolar mode is two's complement.
Averaging Register
Write to the averaging register to configure the ADC to
average up to 32 samples for each requested result,
and to independently control the number of results
requested for single-channel scans.
Table 2 details the four scan modes available in the con-
version register. All four scan modes allow averaging as
long as the AVGON bit, bit 4 in the averaging register, is
set to 1. Select scan mode 10 to scan the same channel
multiple times. Clock mode 11 disables averaging.
Reset Register
Write to the reset register (as shown in Table 7) to clear
the FIFO or to reset all registers to their default states.
Set the RESET bit to 1 to reset the FIFO. Set the RESET
bit to zero to return the MAX11634–MAX11637 to the
default power-up state.
Power-Up Default State
The MAX11634–MAX11637 power up with all blocks in
shutdown, including the reference. All registers power up
in state 00000000, except for the setup register, which
powers up in clock mode 10 (CKSEL1 = 1).
BIT
NAME
BIT
FUNCTION
—
7 (MSB) Set to 1 to select conversion register
X
6
Don’t care
CHSEL2
5
Analog input channel select
CHSEL1
4
Analog input channel select
CHSEL0
3
Analog input channel select
SCAN1
2
Scan mode select
SCAN0
1
Scan mode select
X
0 (LSB) Don’t care
Table 2. Conversion Register*
*
See below for bit details.
CHSEL2
CHSEL1
CHSEL0
SELECTED
CHANNEL (N)
0
AIN0
0
1
AIN1
0
1
0
AIN2
0
1
AIN3
1
0
AIN4
1
0
1
AIN5
1
0
AIN6
1
AIN7
SCAN1 SCAN0
SCAN MODE (CHANNEL N IS
SELECTED BY BITS CHSEL[2:0])
0
Scans channels 0 through N
0
1
Scans channels N through the highest
numbered channel
1
0
Scans channel N repeatedly. The averaging
register sets the number of results.
1
No scan. Converts channel N once only.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX11636EEE+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 8Ch 12-Bit 300ksps w/FIFO & Int Ref 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 |
| MAX11636EEE+T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 8Ch 12-Bit 300ksps w/FIFO & Int Ref 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 |
| MAX11637 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:12-Bit, 300ksps ADCs with Differential |
| MAX11637EEE+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 8Ch 12-Bit 300ksps w/FIFO & Int Ref 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 |
| MAX11637EEE+T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 8Ch 12-Bit 300ksps w/FIFO & Int Ref 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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