參數(shù)資料
型號(hào)： MAX11633EEG+T
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 11/22頁(yè)
文件大?。?/td> 0K
描述： ADC 12BIT 300KSPS 16CH 24-QSOP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 2,500
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）： 762mW
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： 24-SSOP（0.154"，3.90mm 寬）
供應(yīng)商設(shè)備封裝： 24-QSOP
包裝： 帶卷 (TR)
輸入數(shù)目和類型： 16 個(gè)單端，單極
MAX11626–MAX11629/MAX11632/MAX11633
12-Bit, 300ksps ADCs
with FIFO and Internal Reference
______________________________________________________________________________________
19
Initiate a conversion by writing a byte to the conversion
register followed by 16 SCLK cycles. If CS is pulsed
high between the eight and ninth cycles, the pulse
width must be less than 100s. To continuously convert
at 16 cycles per conversion, alternate 1 byte of zeros
between each conversion byte.
If reference mode 00 is requested, wait 65s with CS
high after writing the conversion byte to extend the
acquisition and allow the internal reference to power up.
Partial Reads and Partial Writes
If the first byte of an entry in the FIFO is partially read
(CS is pulled high after fewer than eight SCLK cycles),
the second byte of data that is read out contains the
next 8 bits (not b7–b0). The remaining bits are lost for
that entry. If the first byte of an entry in the FIFO is read
out fully, but the second byte is read out partially, the
rest of the entry is lost. The remaining data in the FIFO
is uncorrupted and can be read out normally after tak-
ing CS low again, as long as the 4 leading bits (normal-
ly zeros) are ignored. Internal registers that are written
partially through the SPI contain new values, starting at
the MSB up to the point that the partial write is stopped.
The part of the register that is not written contains previ-
ously written values. If CS is pulled low before EOC
goes low, a conversion cannot be completed and the
FIFO is corrupted.
Transfer Function
Figure 8 shows the unipolar transfer function. Code tran-
sitions occur halfway between successive-integer LSB
values. Output coding is binary, with 1 LSB = VREF/2.5V
(MAX11627/MAX11629/MAX11633) and 1 LSB = VREF/
4.096V (MAX11626/MAX11628/MAX11632).
Layout, Grounding, and Bypassing
For best performance, use PCBs. Do not use wire wrap
boards. Board layout should ensure that digital and ana-
log signal lines are separated from each other. Do not
run analog and digital (especially clock) signals parallel
to one another or run digital lines underneath the
MAX11626–MAX11629/MAX11632/MAX11633 package.
High-frequency noise in the VDD power supply can
affect performance. Bypass the VDD supply with a 0.1F
capacitor to GND, close to the VDD pin. Minimize capaci-
tor lead lengths for best supply-noise rejection. If the
power supply is very noisy, connect a 10
resistor in
series with the supply to improve power-supply filtering.
CS
DOUT
SCLK
DIN
EOC
MSB1
LSB1
MSB2
(ACQUISITION1)
(ACQUISITION2)
(CONVERSION1)
(CONVERSION BYTE)
EXTERNALLY TIMED ACQUISITION, SAMPLING AND CONVERSION WITHOUT CNVST.
Figure 7. Clock Mode 11 Timing
OUTPUT CODE
FULL-SCALE
TRANSITION
11 . . .
. . . 111
11 . . .
. . . 110
11 . . .
. . . 101
00 . . .
. . . 011
00 . . .
. . . 010
00 . . .
. . . 001
00 . . .
. . . 000
12
3
0
(COM)
FS
FS - 3/2 LSB
FS = VREF + VCOM
ZS = VCOM
INPUT VOLTAGE (LSB)
1 LSB =
VREF
4096
Figure 8. Unipolar Transfer Function, Full Scale (FS) = VREF
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX11633EVKIT# 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開(kāi)發(fā)工具 MAX11633 Eval Kit RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評(píng)估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V
MAX11633EVKIT+ 制造商:Maxim Integrated Products 功能描述:12-BIT 300KSPS ADCS 16-CHANNEL WITH FIFO AND INTERNAL REFERE - Boxed Product (Development Kits)
MAX11633EVSYS# 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開(kāi)發(fā)工具 MAX11633 Eval Kit RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評(píng)估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V
MAX11634 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:12-Bit, 300ksps ADCs with Differential
MAX11634EEE+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 4Ch 300ksps High Speed 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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