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MAX1286 Datasheet

  • MAX1286

  • "150ksps, 12-Bit, 2-Channel Single-Ended, and 1-Channel True...

  • 241.24KB

  • Maxim   Maxim

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19-2231; Rev 0; 10/01
KIT
EVALUATION
E
AVAILABL
150ksps, 12-Bit, 2-Channel Single-Ended, and
1-Channel True-Differential ADCs in SOT23
General Description
The MAX1286鈥揗AX1289 are low-cost, micropower, seri-
al output 12-bit analog-to-digital converters (ADCs)
available in a tiny 8-pin SOT23. The MAX1286/MAX1288
operate with a single +5V supply. The MAX1287/
MAX1289 operate with a single +3V supply. The
devices feature a successive-approximation ADC, auto-
matic shutdown, fast wakeup (1.4碌s), and a high-speed
3-wire interface. Power consumption is only 0.5mW
(V
DD
= +2.7V) at the maximum sampling rate of
150ksps. AutoShutdown鈩?(0.2碌A) between conversions
results in reduced power consumption at slower
throughput rates. The MAX1286/MAX1287 provide
2-channel, single-ended operations and accept input
signals from 0 to V
REF
. The MAX1288/MAX1289 accept
true-differential inputs ranging from 0 to V
REF
. Data is
accessed using an external clock through the 3-wire
SPI鈩?QSPI鈩?MICROWIRE鈩⑩€揷ompatible serial inter-
face. Excellent dynamic performance, low power, ease
of use, and small package size make these converters
ideal for portable battery-powered data-acquisition
applications, and for other applications that demand low
power consumption and minimal space.
Features
o
Single-Supply Operation
+3V (MAX1287/MAX1289)
+5V (MAX1286/MAX1288)
o
Autoshutdown Between Conversions
o
Low Power
245碌A at 150ksps
150碌A at 100ksps
15碌A at 10ksps
2碌A at 1ksps
0.2碌A in Shutdown
o
True-Differential Track/Hold, 150kHz Sampling Rate
o
Software-Configurable Unipolar/Bipolar
Conversion (MAX1288/MAX1289 Only)
o
SPI/QSPI/MICROWIRE鈥揅ompatible Interface for
DSPs and Processors
o
Internal Conversion Clock
o
8-Pin SOT23 Package
MAX1286鈥揗AX1289
Applications
Low-Power Data Acquisition
Portable Temperature Monitors
Flowmeters
Touch Screens
PART
MAX1286EKA-T
MAX1287EKA-T
MAX1288EKA-T
MAX1289EKA-T
Ordering Information
TEMP.
RANGE
-40擄C to +85擄C
-40擄C to +85擄C
-40擄C to +85擄C
-40擄C to +85擄C
PIN-
PACKAGE
8 SOT23-8
8 SOT23-8
8 SOT23-8
8 SOT23-8
TOP
MARK
AAFA
AAEW
AAFC
AAEY
Pin Configuration
TOP VIEW
V
DD
1
8
7
SCLK
DOUT
CNVST
REF
AIN1 (AIN+) 2
AIN2 (AIN-)
3
GND 4
MAX1286
MAX1287
MAX1288
MAX1289
SOT23
6
5
AutoShutdown is a trademark of Maxim Integrated Products, Inc.
SPI and QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
( ) ARE FOR THE MAX1288/MAX1289
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim鈥檚 website at www.maxim-ic.com.

MAX1286 PDF文件相關型號

MAX1286EKA-T,MAX1287,MAX1287EKA-T,MAX1288,MAX1288EKA-T,MAX1289,MAX1289EKA-T

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