MAX5155BEEE Maxim Integrated, MAX5155BEEE Datasheet

MAX5155BEEE

Manufacturer Part Number

MAX5155BEEE

Description

Digital to Analog Converters - DAC

Manufacturer

Maxim Integrated

Datasheet

1.MAX5155AEEE-T.pdf (16 pages)

Specifications of MAX5155BEEE

Number Of Converters

Number Of Dac Outputs

Resolution

12 bit

Interface Type

QSPI, SPI, Serial (3-Wire, Microwire)

Settling Time

15 us

Maximum Operating Temperature

+ 85 C

Mounting Style

SMD/SMT

Package / Case

QSOP-16

Minimum Operating Temperature

- 40 C

Output Type

Voltage

Supply Voltage - Max

3.6 V

Supply Voltage - Min

2.7 V

Voltage Reference

External

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The MAX5154/MAX5155 low-power, serial, voltage-out-

put, dual 12-bit digital-to-analog converters (DACs)

consume only 500µA from a single +5V (MAX5154) or

+3V (MAX5155) supply. These devices feature Rail-to-

Rail

16-pin QSOP package. To maximize the dynamic

range, the DAC output amplifiers are configured with an

internal gain of +2V/V.

The 3-wire serial interface is SPI™/QSPI™ and

Microwire™ compatible. Each DAC has a double-

buffered input organized as an input register followed

by a DAC register, which allows the input and DAC reg-

isters to be updated independently or simultaneously

with a 16-bit serial word. Additional features include

programmable shutdown (2µA), hardware-shutdown

lockout (PDL), a separate reference voltage input for

each DAC that accepts AC and DC signals, and an

active-low clear input (CL) that resets all registers and

DACs to zero. These devices provide a programmable

logic pin for added functionality, and a serial-data out-

put pin for daisy chaining.

Industrial Process Control

Digital Offset and Gain

Adjustment

Motion Control

________________________Applications

19-1316; Rev 1; 12/97

Rail-to-Rail is a registered trademark of Nippon Motorola Ltd.

For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800

For small orders, phone 408-737-7600 ext. 3468.

_________________________________________________________Functional Diagram

_______________General Description

output swing and are available in a space-saving

Low-Power, Dual, 12-Bit Voltage-Output DACs

________________________________________________________________ Maxim Integrated Products

DOUT

CONTROL

16-BIT

SHIFT

DIN

SCLK

Remote Industrial Controls

Microprocessor-

Controlled Systems

Automatic Test

Equipment (ATE)

CONTROL

DECODE

OUTPUT

LOGIC

UPO

PDL

DGND

INPUT

REG A

INPUT

REG B

AGND

REG A

REG B

DAC

Ordering Information continued at end of data sheet.

Pin Configuration appears at end of data sheet.

____________________________Features

SPI and QSPI are trademarks of Motorola, Inc.

Microwire is a trademark of National Semiconductor Corp.

______________Ordering Information

MAX5154ACPE

MAX5154BCPE

MAX5154ACEE

MAX5154BCEE

12-Bit Dual DAC with Internal Gain of +2V/V

Rail-to-Rail Output Swing

12µs Settling Time

Single-Supply Operation: +5V (MAX5154)

SPI/QSPI and Microwire Compatible

Available in Space-Saving 16-Pin QSOP Package

Power-On Reset Clears Registers and DACs

to Zero

Adjustable Output Offset

Low Quiescent Current: 500µA (normal operation)

MAX5154

MAX5155

PART

with Serial Interface

DAC A

DAC B

REFA

REFB

TEMP. RANGE

0°C to +70°C

2µA (shutdown mode)

+3V (MAX5155)

PIN-PACKAGE

16 Plastic DIP

16 QSOP

OSA

OUTA

OSB

OUTB

(LSB)

±1/2

±1

±1/2

±1

INL

Related parts for MAX5155BEEE

MAX5155BEEE Summary of contents

Page 1

... CS DIN SCLK UPO Rail-to-Rail is a registered trademark of Nippon Motorola Ltd. ________________________________________________________________ Maxim Integrated Products For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800 For small orders, phone 408-737-7600 ext. 3468. with Serial Interface ____________________________Features 12-Bit Dual DAC with Internal Gain of +2V/V Rail-to-Rail Output Swing 12µ ...

Page 2

Low-Power, Dual, 12-Bit Voltage-Output DACs with Serial Interface ABSOLUTE MAXIMUM RATINGS V to AGND............................................................-0. DGND ...........................................................-0.3V to +6V DD AGND to DGND ..................................................................±0.3V OSA, OSB to AGND........................(AGND - 4V REF_, OUT_ to AGND.................................-0.3V ...

Page 3

Low-Power, Dual, 12-Bit Voltage-Output DACs ELECTRICAL CHARACTERISTICS—MAX5154 (continued +5V ±10 2.048V REFA REFB +25°C (OS_ tied to AGND for a gain of +2V/V).) A PARAMETER SYMBOL DIGITAL OUTPUTS (DOUT, ...

Page 4

Low-Power, Dual, 12-Bit Voltage-Output DACs with Serial Interface ELECTRICAL CHARACTERISTICS—MAX5155 (V = +2.7V to +3.6V 1.25V REFA REFB are +25°C (OS_ pins tied to AGND for a gain of +2V/V).) A ...

Page 5

Low-Power, Dual, 12-Bit Voltage-Output DACs ELECTRICAL CHARACTERISTICS—MAX5155 (continued +2.7V to +3.6V REFA REFB are +25°C (OS_ pins tied to AGND for a gain of +2V/V).) A PARAMETER SYMBOL POWER SUPPLIES Positive ...

Page 6

Low-Power, Dual, 12-Bit Voltage-Output DACs with Serial Interface __________________________________________Typical Operating Characteristics (V = +5V 10kΩ 100pF, OS_ pins tied to AGND REFERENCE VOLTAGE INPUT FREQUENCY RESPONSE -10 ...

Page 7

Low-Power, Dual, 12-Bit Voltage-Output DACs _____________________________Typical Operating Characteristics (continued +3V 10kΩ 100pF, OS_pins tied to AGND REFERENCE VOLTAGE INPUT FREQUENCY RESPONSE -10 -12 -14 -16 ...

Page 8

Low-Power, Dual, 12-Bit Voltage-Output DACs with Serial Interface _____________________________Typical Operating Characteristics (continued +5V (MAX5154 +3V (MAX5155 MAX5154 SUPPLY CURRENT vs. SUPPLY VOLTAGE 0.60 CODE = 1FFE (HEX) 0.55 0.50 CODE = OOOO (HEX) ...

Page 9

Low-Power, Dual, 12-Bit Voltage-Output DACs _____________________Pin Description PIN NAME FUNCTION 1 AGND Analog Ground 2 OUTA DAC A Output Voltage 3 OSA DAC A Offset Adjustment 4 REFA Reference for DAC A Active-Low Clear Input. Resets all reg ...

Page 10

Low-Power, Dual, 12-Bit Voltage-Output DACs with Serial Interface Table 1. Serial-Interface Programming Commands 16-BIT SERIAL WORD D11....................... (MSB 12-bit DAC data 12-bit DAC data 12-bit DAC data 1 ...

Page 11

Low-Power, Dual, 12-Bit Voltage-Output DACs DIN MAX5154 SCLK MAX5155 CS Figure 3. Connections for SPI/QSPI MSB...................................................................................LSB 16 Bits of Serial Data Address Bits Control Bits MSB...DataBits...LSB A0 C1, C0 D11.......................D0 1 Address/2 Control Bits 12 Data Bits Figure 4. Serial-Data ...

Page 12

Low-Power, Dual, 12-Bit Voltage-Output DACs with Serial Interface CS t CSS t CSO SCLK DIN Figure 6. Detailed Serial-Interface Timing Diagram SCLK MAX5154 MAX5155 DIN DOUT CS Figure 7. Daisy Chaining MAX5154/MAX5155s DIN SCLK CS1 CS2 ...

Page 13

Low-Power, Dual, 12-Bit Voltage-Output DACs The serial-data output, DOUT, is the internal shift regis- ter’s output. DOUT allows for daisy chaining of devices and data readback. The MAX5154/MAX5155 can be programmed to shift data out of DOUT on SCLK’s falling ...

Page 14

Low-Power, Dual, 12-Bit Voltage-Output DACs with Serial Interface Table 3. Bipolar Code Table DAC CONTENTS ANALOG OUTPUT MSB LSB ...

Page 15

Low-Power, Dual, 12-Bit Voltage-Output DACs MAX5154 MAX5155 REFA INPUT REG A REG A SHIFT SCLK REGISTER INPUT DIN REG B REG B REFB V REF Figure 14. Digital Control of Gain and Offset it trips the comparator. ...

Page 16

... PDL MAX5155ACPE 11 UPO MAX5155BCPE 10 DOUT MAX5155ACEE 9 DGND MAX5155BCEE MAX5155AEPE MAX5155BEPE MAX5155AEEE MAX5155BEEE MAX5155BMJE * Contact factory for availability. Printed USA is a registered trademark of Maxim Integrated Products. INL TEMP. RANGE PIN-PACKAGE (LSB) -40°C to +85°C 16 Plastic DIP ±1/2 -40°C to +85°C 16 Plastic DIP ± ...

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