MAX531BCSD+ Maxim Integrated Products, MAX531BCSD+ Datasheet

MAX531BCSD+

Manufacturer Part Number

MAX531BCSD+

Description

IC DAC V-OUT SRL 12BIT 5V 14SOIC

Manufacturer

Maxim Integrated Products

Datasheet

1.MAX531BCSD.pdf (16 pages)

Specifications of MAX531BCSD+

Settling Time

25µs

Number Of Bits

Data Interface

Serial

Number Of Converters

Voltage Supply Source

Single Supply

Power Dissipation (max)

667mW

Operating Temperature

0°C ~ 70°C

Mounting Type

Surface Mount

Package / Case

14-SOIC (3.9mm Width), 14-SOL

Number Of Dac Outputs

Resolution

12 bit

Interface Type

Serial (SPI)

Supply Voltage (max)

5.25 V

Supply Voltage (min)

4.5 V

Maximum Operating Temperature

+ 70 C

Mounting Style

SMD/SMT

Maximum Power Dissipation

471 mW

Minimum Operating Temperature

0 C

Supply Current

260 uA

Voltage Reference

Internal

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

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The MAX531/MAX538/MAX539 are low-power, voltage-

output, 12-bit digital-to-analog converters (DACs) speci-

fied for single +5V power-supply operation. The MAX531

can also be operated with ±5V supplies. The

MAX538/MAX539 draw only 140µA, and the MAX531

(with internal reference) draws only 260µA. The

MAX538/MAX539 come in 8-pin DIP and SO packages,

while the MAX531 comes in 14-pin DIP and SO pack-

ages. All parts have been trimmed for offset voltage,

gain, and linearity, so no further adjustment is necessary.

The MAX538’s buffer is fixed at a gain of +1 and the

MAX539’s buffer at a gain of +2. The MAX531’s internal

op amp may be configured for a gain of +1 or +2, as

well as for unipolar or bipolar output voltages. The

MAX531 can also be used as a four-quadrant multiplier

without external resistors or op amps.

For parallel data inputs, see the MAX530 data sheet.

19-0172; Rev 6; 2/97

________________Functional Diagram

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

_______________General Description

_______________________Applications

(MAX531

ONLY)

AGND

SCLK

CLR

DIN

Battery-Powered Test Instruments

Digital Offset and Gain Adjustment

Battery-Operated/Remote Industrial Controls

Machine and Motion Control Devices

Cellular Telephones

POWER-UP

(MAX531 ONLY)

CONTROL

(MAX531 ONLY)

REFERENCE

RESET

LOGIC

REFOUT

2.048V

________________________________________________________________ Maxim Integrated Products

(LSB)

REFIN

SHIFT REGISTER

DAC REGISTER

(12 BITS)

DAC

(12 BITS)

MAX531

MAX538

MAX539

(MAX531 ONLY)

(MSB)

BIPOFF

+5V, Low-Power, Voltage-Output,

BITS

RFB

(MAX531

ONLY)

VOUT

DGND

(MAX531

ONLY)

(MAX531

ONLY)

DOUT

Ordering Information continued at end of data sheet.

*Dice are specified at T

_________________Pin Configurations

______________Ordering Information

___________________________Features

MAX531ACPD

MAX531BCPD

MAX531ACSD

MAX531BCSD

MAX531BC/D

Operate from Single +5V Supply

Buffered Voltage Output

Internal 2.048V Reference (MAX531)

140µA Supply Current (MAX538/MAX539)

INL = ±1/2LSB (max)

Guaranteed Monotonic over Temperature

Flexible Output Ranges:

8-Pin SO/DIP (MAX538/MAX539)

Power-On Reset

Serial Data Output for Daisy-Chaining

Pin Configurations continued at end of data sheet.

PART

TOP VIEW

0V to V

0V to 2.6V (MAX531/MAX538)

Serial 12-Bit DACs

to V

DOUT

SCLK

TEMP. RANGE

DIN

0°C to +70°C

(MAX531/MAX539)

= +25°C only.

(MAX531)

MAX538

MAX539

DIP/SO

PIN-PACKAGE

14 Plastic DIP

14 SO

Dice*

VOUT

REFIN

AGND

ERROR

(LSB)

±1/2

±1

±1/2

±1

Related parts for MAX531BCSD+

MAX531BCSD+ Summary of contents

Page 1

... LOGIC SHIFT REGISTER SCLK (12 BITS) (MSB) DIN (LSB) ________________________________________________________________ Maxim Integrated Products For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800 +5V, Low-Power, Voltage-Output, ___________________________Features Operate from Single +5V Supply Buffered Voltage Output Internal 2.048V Reference (MAX531) 140µA Supply Current (MAX538/MAX539) INL = ± ...

Page 2

Low-Power, Voltage-Output Serial 12-Bit DACs ABSOLUTE MAXIMUM RATINGS V to DGND and V to AGND ................................-0.3V, + DGND and V to AGND .................................-6V, +0. .................................................................-0.3V, +12V DD SS AGND to ...

Page 3

ELECTRICAL CHARACTERISTICS—Single +5V Supply (continued +5V ±10 0V, AGND = DGND = 0V, REFIN = 2.048V (external), RFB = BIPOFF = VOUT (MAX531 (MAX531 10kΩ 100pF ...

Page 4

Low-Power, Voltage-Output, Serial 12-Bit DACs ELECTRICAL CHARACTERISTICS—Dual Supplies (MAX531 Only +5V ±10 -5V ±10%, AGND = DGND = 0V, REFIN = 2.048V (external), RFB = BIPOFF = VOUT 10kΩ, C ...

Page 5

ELECTRICAL CHARACTERISTICS—Dual Supplies (MAX531 Only) (continued +5V ±10 -5V ±10%, AGND = DGND = 0V, REFIN = 2.048V (external), RFB = BIPOFF = VOUT 10kΩ 100pF ...

Page 6

Low-Power, Voltage-Output, Serial 12-Bit DACs __________________________________________Typical Operating Characteristics (V = +5V 2.048V +25°C, unless otherwise noted.) DD REFIN A INTEGRAL NONLINEARITY vs. DIGITAL INPUT CODE (FIRST 12 CODES) 0.25 DUAL SUPPLIES 0 -0.25 -0.50 SINGLE ...

Page 7

Operating Characteristics (continued +5V 2.048V +25°C, unless otherwise noted.) DD REFIN A MAX531 GAIN AND PHASE vs. FREQUENCY 20 RFB CONNECTED TO AGND (G=2) RFB CONNECTED TO VOUT (G=1) 10 GAIN 0 -10 ...

Page 8

Low-Power, Voltage-Output Serial 12-Bit DACs ____________________Pin Description PIN NAME MAX538 MAX531 MAX539 Bipolar Offset/Gain 1 — BIPOFF Resistor 2 1 DIN Serial Data Input Clear. Asynchronously sets CLR 3 — DAC register to 000 hex SCLK Serial ...

Page 9

R REFOUT S TOTAL C S REFERENCE NOISE C REFOUT TEK 7A22 300 SINGLE-POLE ROLLOFF 250 C = 3.3 F REFOUT 200 150 100 50 C REFOUT 0 0 100 FREQUENCY (kHz) Figure 2. Reference Noise vs. Frequency ...

Page 10

Low-Power, Voltage-Output, Serial 12-Bit DACs DIN DOUT SCLK CS CLR REFIN INVERTED R-2R DAC REFOUT 2R 2R 2.048V MAX531 V AGND DGND 0 -5V Figure 3a. MAX531 Typical ...

Page 11

SCLK MAX531 DIN MAX538 MAX539 CS DOUT THE DOUT-SI CONNECTION IS NOT REQUIRED FOR WRITING TO THE DEVICE, BUT MAY BE USED FOR VERIFYING DATA TRANSFER . Figure 4. Microwire Connection + REFIN BIPOFF REFOUT 33µF MAX531 AGND ...

Page 12

Low-Power, Voltage-Output, Serial 12-Bit DACs +5V REFIN BIPOFF REFOUT 33µF MAX531 RFB AGND DGND VOUT -5V Figure 8. Bipolar Configuration (-2.048V to +2.048V Output) Single-Supply Linearity As with any amplifier, the MAX531/MAX538/MAX539’s output buffer can be positive or negative. ...

Page 13

CS CLR DIN DOUT 2.048V SIGNAL REFIN IN INVERTED R-2R DAC MAX531 Figure 9. MAX531 Connected as Four-Quadrant Multiplier. The unused REFOUT is connected Considerations High-speed serial data at any of the digital input or ...

Page 14

Low-Power, Voltage-Output, Serial 12-Bit DACs __Ordering Information (continued) PART TEMP. RANGE PIN-PACKAGE MAX531AEPD -40°C to +85°C 14 Plastic DIP MAX531BEPD -40°C to +85°C 14 Plastic DIP MAX531AESD -40°C to +85° MAX531BESD -40°C to +85° MAX538ACPA ...

Page 15

Information ______________________________________________________________________________________ +5V, Low-Power, Voltage-Output, Serial 12-Bit DACs 15 ...

Page 16

... 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. 16 __________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 (408) 737-7600 © 1997 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products ...

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