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MAX1104 fiches techniques PDF

Maxim Integrated - 8-Bit CODECs

Numéro de référence MAX1104
Description 8-Bit CODECs
Fabricant Maxim Integrated 
Logo Maxim Integrated 





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MAX1104 fiche technique
19-1873; Rev 1; 1/11
8-Bit CODECs
General Description
The MAX1102/MAX1103/MAX1104 CODECs provide
both an 8-bit analog-to-digital converter (ADC) and an
8-bit digital-to-analog converter (DAC) with a 4-wire
logic interface. The MAX1102/MAX1103 include an
onboard +2V/+4V reference, providing a well-regulat-
ed, low noise reference for both the ADC and DAC.
The MAX1104 offers ratiometric conversion, with the
reference internally connected to VDD.
The MAX1102/MAX1103/MAX1104 are low-cost, low-
power CODECs for use with microcontrollers (µCs).
They allow for greater flexibility when selecting a µC.
Less expensive µCs without onboard converters can be
used while maintaining overall system performance.
The MAX1102 operates from a single +2.7V to +3.6V
supply, the MAX1103 operates from a +4.5V to +5.5V
supply, and the MAX1104 operates from a +2.7V to
+5.5V supply. The MAX1102/MAX1103 incorporate a
VDD monitor in addition to AIN for power supply moni-
toring. All devices feature a low 18µA standby mode,
where both data converters are disabled while the ref-
erence remains active, and three shutdown modes:
ADC disabled, DAC disabled, and complete shutdown
(1µA). A quick 10µs wake-up time allows the
MAX1102/MAX1103/MAX1104 to cycle in and out of
shutdown even during short-duration idle times.
The MAX1102/MAX1103/MAX1104 are available in a
space-saving 8-pin µMAX® package.
________________________Applications
Analog I/O for Microcontrollers
Analog System Signal Supervision
Voice Recording and Playback
Functional Diagram
VDD
MAX1102
VDD/2
CS
SCLK
SERIAL
INTERFACE
AND
MAX1103
MAX1104
VOLTAGE
REFERENCE
ADC
T/H
AIN
DIN
DOUT
CONTROL
LOGIC
DAC
LATCH
DAC
AOUT
GND
µMAX is a registered trademark of Maxim Integrated Products, Inc.
SPI/QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp
Features
o 8-Bit ADC
±1LSB INL
Built-In Track-and-Hold
48dB of SINAD
o 8-Bit DAC
±1LSB INL
55dB of SFDR
o Internal Conversion Clock
o Single-Supply Operation
+2.7V to +3.6V (MAX1102)
+4.5V to +5.5V (MAX1103)
+2.7V to +5.5V (MAX1104)
o Low Power Consumption
0.5mA at 25ksps
1µA Shutdown Mode
o 6MHz 4-Wire SPI™, QSPI™, and MICROWIRE™
Compatible Interface
o Compact 8-Pin µMAX Package
o Internal Voltage Reference
+2V: MAX1102
+4V: MAX1103
o Power-Supply Monitor (MAX1102/MAX1103)
o Rail-to-rail DAC Output Buffer
Ordering Information
PART
TEMP
RANGE
PIN- REFERENCE
PACKAGE
MAX1102EUA+ -40°C to +85°C 8 µMAX
+2V
MAX1103EUA+ -40°C to +85°C 8 µMAX
+4V
MAX1104EUA+ -40°C to +85°C 8 µMAX
VDD
+Denotes a lead(Pb)-free/RoHS-compliant package.
Pin Configuration
TOP VIEW
+
VDD 1
GND 2
AIN 3
OUT 4
MAX1102
MAX1103
MAX1104
µMAX
8 DIN
7 DOUT
6 SCLK
5 CS
________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.

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