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MAX1111CEE+ Datasheet

  • MAX1111CEE+

  • IC, 8BIT ADC, 1111, QSOP16; Resolution (Bits):8bit; Sampling...

  • 284.80KB

  • 20页

  • Maxim   Maxim

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19-1194; Rev 2; 10/98
KIT
ATION
EVALU
E
BL
AVAILA
+2.7V, Low-Power, Multichannel,
Serial 8-Bit ADCs
General Description
____________________________Features
o
+2.7V to +5.5V Single Supply
o
Low Power: 85碌A at 50ksps
6碌A at 1ksps
o
8-Channel Single-Ended or 4-Channel Differential
Inputs (MAX1110)
o
4-Channel Single-Ended or 2-Channel Differential
Inputs (MAX1111)
o
Internal Track/Hold; 50kHz Sampling Rate
o
Internal 2.048V Reference
o
SPI/QSPI/MICROWIRE-Compatible Serial Interface
o
Software-Configurable Unipolar or Bipolar Inputs
o
Total Unadjusted Error: 卤1LSB max
卤0.3LSB typ
MAX1110/MAX1111
The MAX1110/MAX1111 are low-power, 8-bit, 8-chan-
nel analog-to-digital converters (ADCs) that feature an
internal track/hold, voltage reference, clock, and serial
interface. They operate from a single +2.7V to +5.5V
supply and consume only 85碌A while sampling at rates
up to 50ksps. The MAX1110鈥檚 8 analog inputs and the
MAX1111鈥檚 4 analog inputs are software-configurable,
allowing unipolar/bipolar and single-ended/differential
operation.
Successive-approximation conversions are performed
using either the internal clock or an external serial-inter-
face clock. The full-scale analog input range is deter-
mined by the 2.048V internal reference, or by an
externally applied reference ranging from 1V to V
DD
.
The 4-wire serial interface is compatible with the SPI鈩?
QSPI鈩? and MICROWIRE鈩?serial-interface standards.
A serial-strobe output provides the end-of-conversion
signal for interrupt-driven processors.
The MAX1110/MAX1111 have a software-program-
mable, 2碌A automatic power-down mode to minimize
power consumption. Using power-down, the supply
current is reduced to 6碌A at 1ksps, and only 52碌A at
10ksps. Power-down can also be controlled using the
SHDN
input pin. Accessing the serial interface automat-
ically powers up the device.
The MAX1110 is available in 20-pin SSOP and DIP
packages. The MAX1111 is available in small 16-pin
QSOP and DIP packages.
Ordering Information
PART
MAX1110CPP
MAX1110CAP
TEMP. RANGE
0掳C to +70掳C
0掳C to +70掳C
PIN-PACKAGE
20 Plastic DIP
20 SSOP
MAX1110C/D
0掳C to +70掳C
Dice*
*Dice
are specified at T
A
= +25掳C, DC parameters only.
Ordering Information continued at end of data sheet.
________________Functional Diagram
________________________Applications
Portable Data Logging
Hand-Held Measurement Devices
Medical Instruments
System Diagnostics
Solar-Powered Remote Systems
4鈥?0mA-Powered Remote
Data-Acquisition Systems
CS
SCLK
DIN
SHDN
CH0
CH1
CH2
CH3
CH4*
CH5*
CH6*
CH7*
COM
INPUT
SHIFT
REGISTER
INT
CLOCK
CONTROL
LOGIC
OUTPUT
SHIFT
REGISTER
ANALOG
INPUT
MUX
T/H
CLOCK
IN
8-BIT
SAR ADC
OUT
REF
DOUT
SSTRB
V
DD
DGND
Pin Configurations appear at end of data sheet.
REFOUT
REFIN
+2.048V
REFERENCE
MAX1110
MAX1111
AGND
SPI and QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
*MAX1110 ONLY
________________________________________________________________
Maxim Integrated Products
1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800
For small orders, phone 1-800-835-8769.

MAX1111CEE+ 产品属性

  • Lead (SnPb) Finish for COTSObsolescence Mitigation Program

  • 100

  • 集成电路 (IC)

  • 数据采集 - 模数转换器

  • -

  • 8

  • 50k

  • MICROWIRE?，QSPI?，串行，SPI?

  • 1

  • 667mW

  • 单电源

  • 0°C ~ 70°C

  • 表面贴装

  • 16-SSOP（0.154"，3.90mm 宽）

  • 16-QSOP

  • 管件

  • 4 个单端，单极；2 个差分，单极

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