MAX5322EAI MAXIM [Maxim Integrated Products], MAX5322EAI Datasheet

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MAX5322EAI

Manufacturer Part Number
MAX5322EAI
Description
Manufacturer
MAXIM [Maxim Integrated Products]
Datasheet
1.MAX5322EAI.pdf (18 pages)

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Company:
Bonase Electronics (HK) Co., Limited Bonase Electronics (HK) Co., Limited
Part Number:
MAX5322EAI+
Manufacturer:
Maxim Integrated Products
Quantity:
135
The MAX5322 dual, 12-bit, serial-interface, digital-to-ana-
log converter (DAC) provides bipolar ±5V to ±10V out-
puts from ±12V to ±15V analog power-supply voltages, or
unipolar 5V to 10V outputs from a single 12V to 15V ana-
log power-supply voltage.
The MAX5322 features excellent linearity with both inte-
gral nonlinearity (INL) and differential nonlinearity (DNL)
guaranteed to ±1 LSB (max). The device also features a
fast 10µs to 0.5 LSB settling time, and a hardware-shut-
down feature that reduces current consumption to 2.8µA.
The output goes to midscale at power-up in bipolar
mode (0V), and to zero scale at power-up in unipolar
mode (0V). A clear input (CLR) asynchronously clears
the DAC register and sets the outputs to 0V. The outputs
can be asynchronously updated with the load DAC
(LDAC) input.
The device features a fast 10MHz SPI™-/QSPI™-
/MICROWIRE™-compatible serial interface that operates
with 3V or 5V logic. Additional features include a serial-
data output (DOUT) for daisy chaining and read-back
functions. The MAX5322 requires external reference volt-
ages of 2V to 5.25V and is available in a 28-pin SSOP
package that operates over the extended (-40°C to
+85°C) temperature range.
19-3150; Rev 2; 10/05
SPI and QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
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.
Motor Control
Industrial Process
Controls
Industrial Automation
±10V, Dual, 12-Bit, Serial, Voltage-Output DAC
________________________________________________________________ Maxim Integrated Products
UNI/BIPB
UNI/BIPA
General Description
DGND
SHDN
DOUT
LDAC
SCLK
REFA
REFB
CLR
DIN
V
CS
CC
Automatic Test
Equipment (ATE)
Analog I/O Boards
Data-Acquisition Systems
16-BIT SHIFT REGISTER
SERIAL INTERFACE
AND CONTROL
REGISTERS
DIGITAL
POWER
INPUT
12
Applications
12
REGISTERS
DAC
12
12
12-BIT
DAC A
12-BIT
DAC B
2R
2R
MAX5322
♦ Unipolar or Bipolar Output-Voltage Ranges
♦ Guaranteed INL ≤ ±1 LSB (max)
♦ Guaranteed Monotonic: DNL ≤ ±1 LSB (max)
♦ 10µs Settling Time to 0.5 LSB
♦ Low 2.8µA Shutdown Current
♦ Fast 10MHz SPI-/QSPI-/MICROWIRE-Compatible
♦ Power-On Reset Sets DAC Output to 0V
♦ Schmitt Trigger Inputs for Direct
♦ Serial-Data Output Allows Daisy-Chaining
♦ 28-Pin SSOP (8mm x 10mm)
SW1
SW4
Serial Interface
Optocoupler Interface
of Devices
MAX5322EAI
Unipolar: 0 to +2 x V
Bipolar: -2 x V
A1
A3
2R
2R
PART
SW3
SW6
SW2
SW5
REF
ANALOG
POWER
A2
A4
to +2 x V
Ordering Information
-40°C to +85°C
TEMP RANGE
Functional Diagram
REF
2R
2R
(Single or Dual Supply)
2R
2R
OUTA
SGNDA
OUTB
SGNDB
V
V
AGND
REF
SS
DD
(Dual Supply)
Features
28 SSOP
PIN-PACKAGE
1

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MAX5322EAI Summary of contents

Page 1

... Fast 10MHz SPI-/QSPI-/MICROWIRE-Compatible Serial Interface ♦ Power-On Reset Sets DAC Output to 0V ♦ Schmitt Trigger Inputs for Direct Optocoupler Interface ♦ Serial-Data Output Allows Daisy-Chaining of Devices ♦ 28-Pin SSOP (8mm x 10mm) Applications PART MAX5322EAI SW1 12-BIT DAC A SW3 12 DAC ...

Page 2

Dual, 12-Bit, Serial, Voltage-Output DAC ABSOLUTE MAXIMUM RATINGS V to AGND..........................................................-0.3V to +17V AGND ..........................................................-17V to +0. ..........................................................................+34V DGND ...........................................................-0.3V to +6V CC AGND to DGND.....................................................-0.3V to +0.3V ...

Page 3

Dual, 12-Bit, Serial, Voltage-Output DAC ELECTRICAL CHARACTERISTICS (DUAL SUPPLY) (continued +15V ±5 -15V ±5 unless otherwise noted. Typical values are MIN MAX ...

Page 4

Dual, 12-Bit, Serial, Voltage-Output DAC ELECTRICAL CHARACTERISTICS (SINGLE SUPPLY +15V ±5 0V +5V ±10%, AGND = DGND = SGND_ = 0V unless otherwise ...

Page 5

Dual, 12-Bit, Serial, Voltage-Output DAC ELECTRICAL CHARACTERISTICS (SINGLE SUPPLY) (continued +15V ±5 0V +5V ±10%, AGND = DGND = SGND_ = 0V unless ...

Page 6

Dual, 12-Bit, Serial, Voltage-Output DAC TIMING CHARACTERISTICS (V = +15V -15V or 0V +2.7V to +5.5V, AGND = DGND = SGND_ = unless otherwise ...

Page 7

Dual, 12-Bit, Serial, Voltage-Output DAC (V = +15V -15V for bipolar graphs output unloaded +25°C, all graphs apply to both unipolar and bipolar, unless otherwise noted.) A INTERGRAL NONLINEARITY vs. INPUT CODE ...

Page 8

Dual, 12-Bit, Serial, Voltage-Output DAC (V = +15V -15V for bipolar graphs output unloaded +25°C, all graphs apply to both unipolar and bipolar, unless otherwise noted.) A BIPOLAR MAJOR CARRY GLITCH C ...

Page 9

Dual, 12-Bit, Serial, Voltage-Output DAC (V = +15V -15V for bipolar graphs output unloaded +25°C, all graphs apply to both unipolar and bipolar, unless otherwise noted.) A UNIPOLAR SUPPLY CURRENT vs. TEMPERATURE ...

Page 10

Dual, 12-Bit, Serial, Voltage-Output DAC (V = +15V -15V for bipolar graphs output unloaded +25°C, all graphs apply to both unipolar and bipolar, unless otherwise noted.) A UNIPOLAR REFERENCE INPUT RESISTANCE vs. ...

Page 11

Dual, 12-Bit, Serial, Voltage-Output DAC (V = +15V -15V for bipolar graphs output unloaded +25°C, all graphs apply to both unipolar and bipolar, unless otherwise noted.) A UNIPOLAR RELEASE FROM HARDWARE SHUTDOWN ...

Page 12

Dual, 12-Bit, Serial, Voltage-Output DAC PIN NAME 1, 2, 13–16, N.C. No Connection. Not internally connected. 27, 28 DAC B Output-Mode Selection Input. Selects unipolar or bipolar output. Logic high = unipolar, logic 3 UNI/BIPB low = bipolar. In ...

Page 13

Dual, 12-Bit, Serial, Voltage-Output DAC Detailed Description The MAX5322 dual, 12-bit DAC operates from either single or dual analog supplies. Dual ±12V to ±15V power supplies provide bipolar ±5V to ±10V outputs, or unipolar 0V to 10V outputs. Single ...

Page 14

Dual, 12-Bit, Serial, Voltage-Output DAC and isolate the shift register from the DAC registers. The DAC registers control the DAC ladder and thus the output voltage. Any update to a DAC register updates the respective output voltage. Data in ...

Page 15

Dual, 12-Bit, Serial, Voltage-Output DAC where: × REF = LSB UNI 12 2 Bipolar output voltage: = × LSB CODE OUT BIP _ BIP where: × REF = LSB BIP 12 2 where ...

Page 16

Dual, 12-Bit, Serial, Voltage-Output DAC (max), DOUT is high impedance, and OUTA and OUTB are pulled to SGNDA and SGNDB, respectively, through the internal feedback resistors of the output amplifier (Figure 1). When coming out of shutdown, or during ...

Page 17

Dual, 12-Bit, Serial, Voltage-Output DAC SCLK CS CS MAX5322 SCLK DIN DOUT DIN Figure 7. Daisy-Chaining Devices Pin Configuration TOP VIEW N.C. 1 N.C. 2 UNI/BIPB 3 SHDN 4 LDAC 5 MAX5322 CLR 6 DGND ...

Page 18

Dual, 12-Bit, Serial, Voltage-Output DAC (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information, (The package drawing(s) in this data sheet may not reflect the most current specifications. ...

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