MAX5712EUT-TG002 Maxim Integrated, MAX5712EUT-TG002 Datasheet

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MAX5712EUT-TG002

Manufacturer Part Number
MAX5712EUT-TG002
Description
Digital to Analog Converters - DAC
Manufacturer
Maxim Integrated
Datasheet

Specifications of MAX5712EUT-TG002

Number Of Converters
1
Resolution
12 bit
Interface Type
QSPI, SPI, Serial (3-Wire, Microwire)
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Supply Voltage - Max
5.5 V
Supply Voltage - Min
2.7 V
The MAX5712 is a small footprint, low-power, 12-bit digi-
tal-to-analog converter (DAC) that operates from a single
+2.7V to +5.5V supply. The MAX5712 on-chip precision
output amplifier provides rail-to-rail output swing. Drawing
only 85µA supply current at +3V, the MAX5712 is ideally
suited for portable battery-operated equipment.
The MAX5712 utilizes a 3-wire serial-interface that is com-
patible with SPI™/QSPI™/MICROWIRE™ and DSP-inter-
face standards. All logic inputs are CMOS-logic
compatible and buffered with Schmitt triggers to allow
direct interfacing to optocouplers. The MAX5712 incorpo-
rates a power-on reset (POR) circuit that ensures the DAC
begins in a zero-volt-state upon power-up. A power-down
mode that reduces current consumption to 0.3µA may be
initiated through a software command.
The MAX5712 is available in a small 6-pin SOT23 pack-
age. For dual and quad 12-bit versions, see the MAX5722
and MAX5742 data sheets. For single, dual, and quad
10-bit versions, see the MAX5711, MAX5721 and
MAX5741 data sheets. The MAX5712 is specified over
the automotive temperature range of -40°C to +125°C.
19-2126; Rev 2; 11/04
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.
Automatic Tuning
Gain and Offset Adjustment
Power Amplifier Control
Process Control I/O Boards
Battery-Powered Equipment
VCO Control
________________________________________________________________ Maxim Integrated Products
General Description
CS
Voltage-Output Serial DAC in SOT23
REGISTER
CONTROL
INPUT
LOGIC
SCLK
DAC
Applications
DIN
12-Bit, Low-Power, Rail-to-Rail
POWER-DOWN
V
REF+
DD
CONTROL
12-BIT
LOGIC
DAC
GND
REF-
♦ Wide -40°C to +125°C Operating Temperature
♦ Low 85µA Supply Current
♦ Ultra Low 0.3µA Power-Down Supply Current
♦ Single +2.7V to +5.5V Supply Voltage
♦ Fast 20MHz 3-Wire SPI/QSPI/MICROWIRE and
♦ Schmitt-Triggered Inputs for Direct Interfacing to
♦ Rail-to-Rail Output Buffer
♦ Tiny 6-Pin SOT23 Package
♦ Power-On Reset to 0V
♦ Three Software-Selectable Power-Down Output
Pin Configuration appears at end of data sheet.
SPI and QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor, Corp.
MAX5712EUT-T
MAX5712AUT-T -40°C to +125°C
Range
DSP-Compatible Serial Interface
Optocouplers
Impedances (100kΩ, 1kΩ, Hi-Z)
OUTPUT
BUFFER
PART
POWER-ON
RESET
-40°C to +85°C
TEMP RANGE
Ordering Information
100kΩ
Functional Diagram
MAX5712
1kΩ
6 SOT23-6
6 SOT23-6
PACKAGE
OUT
PIN-
Features
MARK
ABCQ
AAUD
TOP
1

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MAX5712EUT-TG002 Summary of contents

Page 1

... Tiny 6-Pin SOT23 Package ♦ Power-On Reset to 0V ♦ Three Software-Selectable Power-Down Output Impedances (100kΩ, 1kΩ, Hi-Z) Applications PART MAX5712EUT-T MAX5712AUT-T -40°C to +125°C Pin Configuration appears at end of data sheet. SPI and QSPI are trademarks of Motorola, Inc. MICROWIRE is a trademark of National Semiconductor, Corp. V ...

Page 2

Low-Power, Rail-to-Rail Voltage-Output Serial DAC in SOT23 ABSOLUTE MAXIMUM RATINGS V to GND ..............................................................-0.3V to +6V DD OUT, SCLK, DIN GND ......................-0. Maximum Current into Any Pin .........................................±50mA Continuous Power Dissipation (T = +70°C) A ...

Page 3

Voltage-Output Serial DAC in SOT23 ELECTRICAL CHARACTERISTICS (continued +2.7V to +5.5V, GND = 5kΩ +25°C) A PARAMETER SYMBOL POWER REQUIREMENTS Supply Voltage Range V Supply Current with No-Load I Power-Down ...

Page 4

Low-Power, Rail-to-Rail Voltage-Output Serial DAC in SOT23 (T = +25°C, unless otherwise noted.) A INTEGRAL NONLINEARITY vs. CODE -40° + + -12 -16 ...

Page 5

Voltage-Output Serial DAC in SOT23 (T = +25°C, unless otherwise noted.) A SUPPLY CURRENT vs. SUPPLY VOLTAGE 120 CODE = FFF HEX 100 80 CODE = 000 2.7 3.2 3.7 4.2 4.7 5.2 SUPPLY VOLTAGE (V) ...

Page 6

Low-Power, Rail-to-Rail Voltage-Output Serial DAC in SOT23 (T = +25°C, unless otherwise noted.) A DIGITAL-TO-ANALOG GLITCH IMPULSE (V DD CODE 7FF HEX TO 800 HEX R C 500ns/div PIN NAME 1 V Power-Supply Input DD 2 GND Ground 3 ...

Page 7

Voltage-Output Serial DAC in SOT23 Detailed Description The MAX5712 voltage output, 12-bit DAC, offers a full 12-bit performance in a small 6-pin SOT23 package. The SOT23 footprint is less than 9mm has less than 1LSB differential nonlinearity error, ensur- ing ...

Page 8

Low-Power, Rail-to-Rail Voltage-Output Serial DAC in SOT23 Table 1. Serial Interface Mapping 16-BIT SERIAL WORD MSB D11 D10 D09 D08 D07 D06 D05 D04 D03 D02 D01 D00 ...

Page 9

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 _____________________ 9 © 2004 Maxim Integrated Products ...

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