參數(shù)資料
型號(hào): MAX1266BEEI+
廠(chǎng)商: Maxim Integrated Products
文件頁(yè)數(shù): 18/19頁(yè)
文件大?。?/td> 0K
描述: IC ADC 12-BIT 420KSPS 28-QSOP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 50
位數(shù): 12
采樣率(每秒): 420k
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 10mW
電壓電源: 單電源
工作溫度: -40°C ~ 85°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 28-SSOP(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 28-QSOP
包裝: 管件
輸入數(shù)目和類(lèi)型: 6 個(gè)單端,單極;6 個(gè)單端,雙極;3 個(gè)偽差分,單極;3 個(gè)偽差分,雙極
產(chǎn)品目錄頁(yè)面: 1396 (CN2011-ZH PDF)
MAX1266/MAX1268
420ksps, +5V, 6-/2-Channel, 12-Bit ADCs
with +2.5V Reference and Parallel Interface
8
_______________________________________________________________________________________
Pin Description (continued)
PIN
MAX1268
REF
21
25
MAX1266
NAME
Bandgap Reference Buffer Output/External Reference Input. Add a 4.7F capacitor
to GND when using the internal reference.
FUNCTION
26
22
VDD
Analog +5V Power Supply. Bypass with a 0.1F capacitor to GND.
27
23
D11
Tri-State Digital Output (D11)
28
24
D10
Tri-State Digital Output (D10)
_______________Detailed Description
Converter Operation
The MAX1266/MAX1268 ADCs use a successive-approx-
imation (SAR) conversion technique and an input
track/hold (T/H) stage to convert an analog input signal to
a 12-bit digital output. This output format provides easy
interface to standard microprocessors (Ps). Figure 2
shows the simplified internal architecture of the MAX1266/
MAX1268.
T/H
TRI-STATE, BIDIRECTIONAL
I/O INTERFACE
12
17k
12
SUCCESSIVE-
APPROXIMATION
REGISTER
CHARGE REDISTRIBUTION
12-BIT DAC
CLOCK
ANALOG
INPUT
MULTIPLEXER
CONTROL LOGIC
AND
LATCHES
REF
REFADJ
1.22V
REFERENCE
D0–D11
12-BIT DATA BUS
(CH5)
(CH4)
(CH3)
(CH2)
CH1
CH0
COM
CLK
CS
( ) ARE FOR MAX1266 ONLY.
WR
RD
INT
VDD
GND
MAX1266
MAX1268
AV =
2.05
COMP
Figure 2. Simplified Functional Diagram
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1266BEEI+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 6Ch 420ksps 5.5V 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
MAX1266BEEI+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 6Ch 420ksps 5.5V 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
MAX1266BEEI-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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
MAX1267ACEG 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
MAX1267ACEG+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 2Ch 265ksps 3.6V 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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