MAX532BCWE Maxim Integrated Products, MAX532BCWE Datasheet

IC MDAC DUAL V-OUT 12BIT 16-SOIC

MAX532BCWE

Manufacturer Part Number
MAX532BCWE
Description
IC MDAC DUAL V-OUT 12BIT 16-SOIC
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX532ACPE.pdf (16 pages)

Specifications of MAX532BCWE

Settling Time
2.5µs
Number Of Bits
12
Data Interface
Serial
Number Of Converters
2
Voltage Supply Source
Dual ±
Power Dissipation (max)
762mW
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
16-SOIC (0.300", 7.5mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

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The MAX532 is a complete, dual, serial-input, 12-bit
multiplying digital-to-analog converter (MDAC) with out-
put amplifiers. No external user trims are required to
achieve full specified performance. The MAX532’s 3-
wire serial interface minimizes the number of package
pins, so it uses less board space than parallel-interface
parts. The interface is SPI™, QSPI™ and Microwire™
compatible. A serial output, DOUT, allows cascading
of two or more MAX532s and read-back of the data
written to the device.
The device’s serial interface minimizes digital-noise
feedthrough from its logic pins to its analog outputs.
Serial interfacing also simplifies opto-coupler-isolated
or transformer-isolated applications.
The MAX532 is specified with ±12V to ±15V power sup-
plies. All logic inputs are TTL and CMOS compatible. It
comes in space-saving 16-pin DIP and wide SO packages.
________________________Applications
19-0046; Rev. 1; 3/94
™Microwire is a trademark of National Semiconductor Corp. SPI and QSPI are trademarks of Motorola, Inc.
Call toll free 1-800-998-8800 for free samples or literature.
________________Functional Diagram
_______________General Description
VREFA
VREFB
SCLK
LDAC
DIN
CS
Automatic Test Equipment
Arbitrary Waveform Generators
Programmable-Gain Amplifiers
Motion Control Systems
Servo Controls
MAX532
________________________________________________________________ Maxim Integrated Products
24-BIT SHIFT
V
REGISTER
SS
DGND
V
DD
LATCH
LATCH
DACA
DACA
DACB
DACB
Voltage-Output, 12-Bit MDAC
RFBA
VOUTA
AGNDA
DOUT
RFBB
VOUTB
AGNDB
____________________________Features
Ordering Information continued on last page.
* Contact factory for dice specifications.
__________________Pin Configuration
______________Ordering Information
MAX532ACPE
MAX532BCPE
MAX532ACWE
MAX532BCWE
MAX532BC/D
Two 12-Bit MDACs with Output Amplifiers
Fast, 6MHz 3-Wire Interface
SPI, QSPI, and Microwire Compatible
±12V Output Swing
±10mA Output Current
2.5µs Settling Time to ±1/2LSB
Guaranteed Monotonic Over Temperature
Low Integral Nonlinearity: ±1/2LSB Max
Low Gain Tempco: 2ppm/°C
Operates from ±12V to ±15V Supplies
Power-On Reset
Available in 16-Pin DIP and Wide SO Packages
TOP VIEW
PART
Dual, Serial-Input,
AGNDA
VOUTA
AGNDB
VOUTB
VREFA
VREFB
RFBA
RFBB
TEMP. RANGE PIN-PACKAGE
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
1
2
3
4
5
6
7
8
DIP/Wide SO
MAX532
16 Plastic DIP
16 Plastic DIP
16 Wide SO
16 Wide SO
Dice*
16
15
14
13
12
11
10
9
V
LDAC
CS
DIN
DOUT
SCLK
DGND
V
DD
SS
ERROR
(LSBs)
±1/2
±1/2
±1
±1
±1
1

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MAX532BCWE Summary of contents

Page 1

... Information PART TEMP. RANGE PIN-PACKAGE MAX532ACPE 0°C to +70°C MAX532BCPE 0°C to +70°C MAX532ACWE 0°C to +70°C MAX532BCWE 0°C to +70°C MAX532BC/D 0°C to +70°C Ordering Information continued on last page. * Contact factory for dice specifications. __________________Pin Configuration RFBA TOP VIEW ...

Page 2

Dual, Serial-Input, Voltage-Output, 12-Bit MDAC ABSOLUTE MAXIMUM RATINGS Pin Voltages V to DGND, AGNDA, AGNDB........................-0.3V to +17V DGND, AGNDA, AGNDB (Note 1) ..........+0.3V to -17V SS VREFA, VREFB.............................(V - 0.3V AGNDA, AGNDB .....................(DGND - ...

Page 3

ELECTRICAL CHARACTERISTICS (continued 11.4V to 16.5V -11.4V to -16.5V, AGNDA = AGNDB = DGND = 0V, VREFA and VREFB = +10V VOUT_ connected to RFB_ MIN MAX ...

Page 4

Dual, Serial-Input, Voltage-Output, 12-Bit MDAC ELECTRICAL CHARACTERISTICS (continued 11.4V to 16.5V -11.4V to -16.5V, AGNDA = AGNDB = DGND = 0V, VREFA and VREFB = +10V VOUT_ connected to RFB_ ...

Page 5

Operating Characteristics (V = 15V -15V 2kΩ 100pF, unless otherwise noted OUTPUT VOLTAGE SWING vs. RESISTIVE LOAD 25 VREF = 20V at 1kHz p ...

Page 6

Dual, Serial-Input, Voltage-Output, 12-Bit MDAC ____________________________Typical Operating Characteristics (continued 15V -15V 2kΩ 100pF, unless otherwise noted SMALL-SIGNAL PULSE RESPONSE AGNDA 50mV/div OUTA TIMEBASE = ...

Page 7

Diagrams CS t CSHO t t CSSO CH SCLK DIN DOUT LDAC Figure 1. Timing Diagram _______________________________________________________________________________________ Dual, Serial-Input, Voltage-Output, 12-Bit MDAC D23 Q1 Q23 ...

Page 8

Dual, Serial-Input, Voltage-Output, 12-Bit MDAC _______________________________________________Timing Diagrams (continued) CS SCLK DIN D23 D16 ............................................ MSB DACB DOUT Q23 Q22 ..................................... Q16 MSB DACB FROM PREVIOUS WRITE Figure 2. 3-Wire Interface Timing Diagram (LDAC = DGND) CS SCLK DIN D23 D16 ...

Page 9

SCLK SK DIN SO MAX532 DOUT SI CS I/O LDAC I/O THE DOUT-SI CONNECTION IS NOT REQUIRED FOR WRITING TO THE MAX532, BUT MAY BE USED FOR READ-BACK PURPOSES. Figure 4. Connections for Microwire _______________Detailed Description Digital Interface ...

Page 10

Dual, Serial-Input, Voltage-Output, 12-Bit MDAC MAX532 SCLK SCLK DIN DOUT DIN CS CS LDAC MAX532 SCLK SCLK DIN DIN CS CS LDAC Figure 6. Daisy-chained or individual MAX532s are simultaneously updated by bringing CS high when using the 3-wire interface ...

Page 11

Table 1. t Delay Times RC V (V) C (pF) R (kΩ) PULL- 4.5 100 1 4.5 150 11.4 100 ...

Page 12

Dual, Serial-Input, Voltage-Output, 12-Bit MDAC Output Amplifiers The output amplifiers are stable with any combination of resistive loads ≥ 2kΩ and capacitive loads ≤ 100pF. They are internally compensated, and settle to ±0.01% FSR (1/2LSB) in 2.5µs. Unipolar Configuration Figure ...

Page 13

MAX532 DACA R 4096 2 CODE R/2 RFBA AGNDA 4 Figure 12. Programmable-Gain Amplifer ______________________________________________________________________________________ Dual, Serial-Input, Voltage-Output, 12-Bit MDAC Programmable-Gain Amplifier (PGA) The DAC/amplifier combination, along with access to the feedback resistors, makes the MAX532 ideal ...

Page 14

Dual, Serial-Input, Voltage-Output, 12-Bit MDAC __Ordering Information (continued) PART TEMP. RANGE PIN-PACKAGE MAX532AEPE -40°C to +85°C 16 Plastic DIP MAX532BEPE -40°C to +85°C 16 Plastic DIP MAX532AEWE -40°C to +85°C 16 Wide SO MAX532BEWE -40°C to +85°C 16 Wide SO ...

Page 15

Information ______________________________________________________________________________________ Dual, Serial-Input, Voltage-Output, 12-Bit MDAC 45˚ 0.127mm 0.004in INCHES ...

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 © 1994 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products ...

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