參數(shù)資料
型號(hào)： MAX1401CAI+T
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 29/36頁(yè)
文件大?。?/td> 0K
描述： IC ADC 18BIT LP 28-SSOP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 2,000
位數(shù)： 18
采樣率（每秒）： 480
數(shù)據(jù)接口： QSPI?，串行，SPI?
轉(zhuǎn)換器數(shù)目： 1
功率耗散（最大）： 750µW
電壓電源： 模擬和數(shù)字
工作溫度： 0°C ~ 70°C
安裝類型： 表面貼裝
封裝/外殼： 28-SSOP（0.209"，5.30mm 寬）
供應(yīng)商設(shè)備封裝： 28-SSOP
包裝： 帶卷 (TR)
輸入數(shù)目和類型： 3 個(gè)差分，單極；3 個(gè)差分，雙極；5 個(gè)偽差分，單極；5 個(gè)偽差分，雙極
Grounding and Layout
For best performance, use printed circuit boards with
separate analog and digital ground planes. Wire-wrap
boards are not recommended.
Design the printed circuit board so the analog and digi-
tal sections are separated and confined to different
areas of the board. Join the digital and analog ground
planes at only one point. If the MAX1401 is the only
device requiring an AGND to DGND connection, then
the ground planes should be connected at the AGND
and DGND pins of the MAX1401. In systems where
multiple devices require AGND to DGND connections,
the connection should still be made at only one point.
Make the star ground as close to the MAX1401 as pos-
sible.
Avoid running digital lines under the device, because
these may couple noise onto the die. Run the analog
ground plane under the MAX1401 to minimize coupling
of digital noise. Make the power-supply lines to the
MAX1401 as wide as possible to provide low-imped-
ance paths and reduce the effects of glitches on the
power-supply line.
Shield fast switching signals, such as clocks, with digi-
tal ground to avoid radiating noise to other sections of
the board. Avoid running clock signals near the analog
inputs. Avoid crossover of digital and analog signals.
Traces on opposite sides of the board should run at
right angles to each other. This will reduce the effects
of feedthrough on the board. A microstrip technique is
best, but is not always possible with double-sided
boards. In this technique, the component side of the
board is dedicated to ground planes while signals are
placed on the solder side.
Good decoupling is important when using high-resolu-
tion ADCs. Decouple all analog supplies with 10F tan-
talum capacitors in parallel with 0.1F HF ceramic
capacitors to AGND. Place these components as close
to the device as possible to achieve the best decou-
pling.
See the MAX1403 evaluation kit manual for recom-
mended layout. The evaluation board package
includes a fully assembled and tested evaluation
board.
MAX1401
+3V, 18-Bit, Low-Power, Multichannel,
Oversampling (Sigma-Delta) ADC
______________________________________________________________________________________
35
Chip Information
TRANSISTOR COUNT: 34,648
SUBSTRATE CONNECTED TO AGND
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參數(shù)描述
MAX1401EAI 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
MAX1401EAI+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 18-Bit 5Ch 4.8ksps 1.25V 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
MAX1401EAI+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 18-Bit 5Ch 4.8ksps 1.25V 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
MAX1401EAI-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
MAX1402CAI 功能描述:ADC / DAC多通道 RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換速率: 分辨率:8 bit 接口類型:SPI 電壓參考: 電源電壓-最大:3.6 V 電源電壓-最小:2 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-40
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