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MAX1262|MAX1264

更新时间： 2024-11-26 23:45:43
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20页 379K
描述
400ksps. +5V. 8-/4-Channel. 12-Bit ADCs with +2.5V Reference and Parallel Interface

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MAX1262|MAX1264 数据手册

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19-2720; Rev 0; 04/03  
400ksps, +5V, 8-/4-Channel, 12-Bit ADCs  
with +2.5V Reference and Parallel Interface  
General Description  
Features  
The MAX1262/MAX1264 low-power, 12-bit analog-to-  
digital converters (ADCs) feature a successive-approxi-  
mation ADC, automatic power-down, fast wake-up  
(2µs), an on-chip clock, +2.5V internal reference, and a  
high-speed, byte-wide parallel interface. The devices  
operate with a single +5V analog supply and feature a  
o 12-Bit Resolution, ±±0. ꢀLB ꢀineꢁaitꢂ  
o +.V Lingle-Lupplꢂ Opeaꢁtion  
o Usea-Adjustꢁble ꢀogic ꢀevel (+207V to +.0.V)  
o Inteanꢁl +20.V Refeaence  
o Loftwꢁae-Configuaꢁble Anꢁlog Input Multiplexea  
8-Chꢁnnel Lingle Ended/  
V
pin that allows them to interface directly with a  
+2.7V to +5.5V digital supply.  
LOGIC  
4-Chꢁnnel Pseudo-Diffeaentiꢁl (MAX1262)  
4-Chꢁnnel Lingle Ended/  
2-Chꢁnnel Pseudo-Diffeaentiꢁl (MAX1264)  
Power consumption is only 10mW (V  
= V  
) at a  
DD  
LOGIC  
400ksps max sampling rate. Two software-selectable  
power-down modes enable the MAX1262/MAX1264 to  
be shut down between conversions; accessing the par-  
allel interface returns them to normal operation.  
Powering down between conversions can cut supply  
current to under 10µA at reduced sampling rates.  
o Loftwꢁae-Configuaꢁble Unipolꢁa/Bipolꢁa Anꢁlog  
Inputs  
o ꢀow Cuaaent  
20.mA (4±±ksps)  
10±mA (1±±ksps)  
4±±µA (1±ksps)  
2µA (Lhutdown)  
Both devices offer software-configurable analog inputs  
for unipolar/bipolar and single-ended/pseudo-differen-  
tial operation. In single-ended mode, the MAX1262 has  
eight input channels and the MAX1264 has four input  
channels (four and two input channels, respectively,  
when in pseudo-differential mode).  
o Inteanꢁl 6MHz Full-Powea Bꢁndwidth Taꢁck/Hold  
o Bꢂte-Wide Pꢁaꢁllel (8 + 4) Inteafꢁce  
Excellent dynamic performance and low power, com-  
bined with ease of use and small package size, make  
these converters ideal for battery-powered and data-  
acquisition applications or for other circuits with demand-  
ing power consumption and space requirements.  
o Lmꢁll Footpaint  
28-Pin QLOP (MAX1262)  
24-Pin QLOP (MAX1264)  
Pin Configurations  
The MAX1262 is available in a 28-pin QSOP package,  
while the MAX1264 comes in a 24-pin QSOP. For pin-  
compatible +3V, 12-bit versions, refer to the MAX1261/  
MAX1263 data sheet.  
TOP VIEW  
HBEN  
D7  
1
2
3
4
5
6
7
8
9
24  
23  
V
V
LOGIC  
DD  
Applications  
D6  
22 REF  
21 REFADJ  
20 GND  
19 COM  
18 CH0  
17 CH1  
16 CH2  
15 CH3  
14 CS  
Industrial Control Systems  
Energy Management  
Data Logging  
D5  
Patient Monitoring  
Touch Screens  
D4  
MAX1264  
Data-Acquisition Systems  
D3/D11  
D2/D10  
D1/D9  
D0/D8  
Ordering Information  
INT 10  
RD 11  
WR 12  
INꢀ  
TEMP RANGE PIN-PACKAGE  
(ꢀLB)  
PART  
13 CLK  
28 QSOP  
28 QSOP  
28 QSOP  
28 QSOP  
MAX1262ACEI  
MAX1262BCEI  
MAX1262AEEI  
MAX1262BEEI  
0°C to +70°C  
0°C to +70°C  
-40°C to +85°C  
-40°C to +85°C  
0.5  
1
QLOP  
0.5  
1
Pin Configurations continued at end of data sheet.  
Ordering Information continued at end of data sheet.  
Typical Operating Circuits appear at end of data sheet.  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  
1234567...20

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与MAX1262|MAX1264相关器件

型号 品牌 获取价格 描述 数据表
MAX1262ACEI MAXIM

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 		400ksps, 5V, 8-/4-Channel, 12-Bit ADCs with 2.5V Reference and Parallel Interface
MAX1262AEEI MAXIM

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 		400ksps, 5V, 8-/4-Channel, 12-Bit ADCs with 2.5V Reference and Parallel Interface
MAX1262BCEI MAXIM

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 		400ksps, 5V, 8-/4-Channel, 12-Bit ADCs with 2.5V Reference and Parallel Interface
MAX1262BEEI MAXIM

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 		400ksps, 5V, 8-/4-Channel, 12-Bit ADCs with 2.5V Reference and Parallel Interface
MAX1263 MAXIM

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 		250ksps, +3V, 8-/4-Channel, 12-Bit ADCs with +2.5V Reference and Parallel Interface
MAX1263ACEG MAXIM

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 		250ksps, +3V, 8-/4-Channel, 12-Bit ADCs with +2.5V Reference and Parallel Interface
MAX1263ACEG-T MAXIM

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 		ADC, Successive Approximation, 12-Bit, 1 Func, 8 Channel, Parallel, Word Access, PDSO24, 0
MAX1263AEEG MAXIM

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 		250ksps, +3V, 8-/4-Channel, 12-Bit ADCs with +2.5V Reference and Parallel Interface
MAX1263AEEG+ MAXIM

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 		ADC, Successive Approximation, 12-Bit, 1 Func, 8 Channel, Parallel, Word Access, PDSO24, 0
MAX1263AEEG+T MAXIM

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