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Maxim Integrated Semiconductor Electronic Components Datasheet

MAX5232 Datasheet

3V/5V / 10-Bit / Serial Voltage-Output Dual DACs

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19-2331; Rev 2; 5/09
3V/5V, 10-Bit, Serial Voltage-Output Dual DACs
with Internal Reference
General Description
The MAX5232/MAX5233 low-power, dual 10-bit voltage-
output digital-to-analog converters (DACs) feature an
internal 10ppm/°C precision bandgap voltage reference
and precision output amplifiers. The MAX5233 operates
on a single 5V supply with an internal 2.465V reference
and features a 4.092V full-scale output range. The
MAX5232 operates on a single 3V supply with an internal
1.234V reference and features a 2.046V full-scale output
range. The MAX5233 consumes only 470µA while the
MAX5232 consumes only 420µA of supply current. Both
devices feature low-power (2µA) software- and hard-
ware-enabled shutdown modes.
The MAX5232/MAX5233 feature a 13.5MHz SPI™-,
QSPI™-, and MICROWIRE™-compatible 3-wire serial
interface. An additional data output (DOUT) allows for
daisy-chaining and read back. Each DAC has a double-
buffered digital input. The MAX5232/MAX5233 feature
two software-selectable shutdown output impedances:
1kor 200k. A power-up reset feature sets DAC out-
puts at ground or at the midscale DAC code.
The MAX5232/MAX5233 are specified over the extended
temperature range (-40°C to +85°C) and are available in
16-pin QSOP packages.
Applications
Industrial Process Controls
Automatic Test Equipment
Digital Offset and Gain Adjustment
Motion Control
µP-Controlled Systems
Pin Configuration
TOP VIEW
OSA 1
OUTA 2
RSTV 3
LDAC 4
CLR 5
CS 6
DIN 7
SCLK 8
MAX5232
MAX5233
QSOP
16 OSB
15 OUTB
14 VDD
13 AGND
12 REF
11 PDL
10 DOUT
9 DGND
Features
o Internal 10ppm/°C Precision Bandgap Reference
2.465V (MAX5233)
1.234V (MAX5232)
o Single-Supply Operation
5V (MAX5233)
3V (MAX5232)
o Low Supply Current
470µA (MAX5233)
420µA (MAX5232)
o 13.5MHz SPI/QSPI/MICROWIRE-Compatible,
3-Wire Serial Interface
o Pin-Programmable Power-Up Reset State to Zero
or Midscale Output Voltage
o Programmable Shutdown Modes with 1kor
200kInternal Output Loads
o Recalls Output State Prior to Shutdown or Reset
o Buffered Output Drives 5k|| 100pF Loads
o Space-Saving 16-Pin QSOP Package
Ordering Information
PART
TEMP RANGE
PIN-
PACKAGE
MAX5232EEE+ -40°C to +85°C 16 QSOP
MAX5233EEE+ -40°C to +85°C 16 QSOP
+Denotes a lead(Pb)-free/RoHS-compliant package.
Note: For leaded version, contact factory.
INL
(LSB)
±0.5
±0.5
Functional Diagram appears at end of data sheet.
SPI and QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor, Corp.
________________________________________________________________ Maxim Integrated Products 1
For price, delivery, and to place orders, please contact Maxim Distribution at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com


Maxim Integrated Semiconductor Electronic Components Datasheet

MAX5232 Datasheet

3V/5V / 10-Bit / Serial Voltage-Output Dual DACs

No Preview Available !

3V/5V, 10-Bit, Serial Voltage-Output Dual DACs
with Internal Reference
ABSOLUTE MAXIMUM RATINGS
VDD to AGND, DGND ...............................................-0.3V to +6V
AGND to DGND.....................................................-0.3V to +0.3V
Digital Inputs to DGND.............................................-0.3V to +6V
Digital Output (DOUT) to DGND...................-0.3V to VDD + 0.3V
OUT_ to AGND .............................................-0.3V to VDD + 0.3V
OS_ to AGND...................................................-4V to VDD + 0.3V
Maximum Current into Any Pin............................................50mA
Continuous Power Dissipation (TA = +70°C)
16-Pin QSOP (derate 8.3mW/°C above +70°C)...........667mW
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS—MAX5233
(VDD = +4.5V to +5.5V, VOS_ = VAGND = VDGND = 0V, RL = 5k, CL = 100pF, TA = TMIN to TMAX, unless otherwise noted. Typical values
are at TA = +25°C.)
PARAMETER
STATIC PERFORMANCE
Resolution
Integral Nonlinearity (Note 1)
Differential Nonlinearity
Offset Error (Note 2)
Offset-Temperature Coefficient (Note 3)
Full-Scale Voltage
Full-Scale Temperature Coefficient
(Notes 3 and 6)
SYMBOL
N
INL
DNL
VOS
TCVOS
VFS
TCVFS
CONDITIONS
Code = 3FF hex, TA = +25°C
MIN
10
4.067
TYP
8
4.092
10
MAX
UNITS
±0.5
±1
±3
4.117
55
Bits
LSB
LSB
mV
µV/°C
V
ppm/°C
Power-Supply Rejection
DC Crosstalk (Note 4)
PSR 4.5V VDD 5.5V
REFERENCE
Output-Voltage
Output Voltage Temperature Coefficient
(Note 3)
VREF
TCVREF
Reference External Load Regulation
VOUT/IOUT 0 IOUT 100µA (sourcing)
Reference Short-Circuit Current
DIGITAL INPUTS
Input High Voltage
VIH
Input Low Voltage
Input Hysteresis
VIL
VHYS
Input Leakage Current
Input Capacitance
IIN Digital inputs = 0 or VDD
CIN
DIGITAL OUTPUTS
Output High Voltage
VOH
ISOURCE = 2mA
Output Low Voltage
VOL ISINK = 2mA
0.7 x VDD
4.25
175
2.465
10
0.1
4
200
8
500 µV
100 µV
V
ppm/°C
2 µV/µA
mA
0.3 x VDD
±1
V
V
mV
µA
pF
V
0.2 V
2 _______________________________________________________________________________________


Part Number MAX5232
Description 3V/5V / 10-Bit / Serial Voltage-Output Dual DACs
Maker Maxim
Total Page 18 Pages
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