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PDF MAX5584 Data sheet ( Hoja de datos )
| Número de pieza | MAX5584 | |
| Descripción | Buffered / Fast-Settling / Quad / 12-/10-/8-Bit / Voltage-Output DACs | |
| Fabricantes | Maxim Integrated | |
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Hay una vista previa y un enlace de descarga de MAX5584 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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19-3164; Rev 1; 5/04
EVAALVUAAILTAIOBNLEKIT
Buffered, Fast-Settling, Quad,
12-/10-/8-Bit, Voltage-Output DACs
General Description
The MAX5580–MAX5585 quad, 12-/10-/8-bit, voltage-
output, digital-to-analog converters (DACs) offer
buffered outputs and a 3µs maximum settling time at the
12-bit level. The DACs operate from a +2.7V to +5.25V
analog supply and a separate +1.8V to +5.25V digital
supply. The 20MHz, 3-wire, serial interface is compati-
ble with SPI™, QSPI™, MICROWIRE™, and digital sig-
nal processor (DSP) protocol applications. Multiple
devices can share a common serial interface in direct-
access or daisy-chained configuration. The MAX5580–
MAX5585 provide two multifunctional, user-programma-
ble, digital I/O ports. The externally selectable power-up
states of the DAC outputs are either zero scale, mid-
scale, or full scale. Software-selectable FAST and SLOW
settling modes decrease settling time in FAST mode, or
reduce supply current in SLOW mode.
The MAX5580/MAX5581 are 12-bit DACs, the
MAX5582/MAX5583 are 10-bit DACs, and the
MAX5584/MAX5585 are 8-bit DACs. The MAX5580/
MAX5582/MAX5584 provide unity-gain-configured out-
put buffers, while the MAX5581/MAX5583/MAX5585
provide force-sense-configured output buffers. The
MAX5580–MAX5585 operate over the extended -40°C
to +85°C temperature range and are available in
space-saving, 5mm x 5mm x 0.8mm, 20-pin, thin QFN
and TSSOP packages.
Applications
Portable Instrumentation
Automatic Test Equipment (ATE)
Digital Offset and Gain Adjustment
Automatic Tuning
Programmable Voltage and Current Sources
Programmable Attenuators
Industrial Process Controls
Motion Control
Microprocessor (µP)-Controlled Systems
Power Amplifier Control
Fast Parallel-DAC to Serial-DAC Upgrades
Pin Configurations appear at end of data sheet.
SPI/QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
Features
♦ 3µs (max) 12-Bit Settling Time to 0.5 LSB
♦ Quad, 12-/10-/8-Bit Serial DACs in TSSOP and
Thin QFN (5mm x 5mm x 0.8mm) Packages
♦ ±1 LSB (max) INL and DNL at 12-Bit Resolution
♦ Two User-Programmable Digital I/O Ports
♦ Single +2.7V to +5.25V Analog Supply
♦ +1.8V to AVDD Digital Supply
♦ 20MHz, 3-Wire, SPI-/QSPI-/MICROWIRE-/DSP-
Compatible Serial Interface
♦ Glitch-Free Outputs Power Up to Zero Scale,
Midscale, or Full Scale Controlled by PU Pin
♦ Unity-Gain or Force-Sense-Configured
Output Buffers
Ordering Information
PART
TEMP RANGE PIN-PACKAGE
MAX5580AEUP*
-40°C to +85°C 20 TSSOP-EP**
MAX5580AETP*
-40°C to +85°C 20 Thin QFN-EP**
*Future product—contact factory for availability. Specifications
are preliminary.
**EP = Exposed paddle.
Ordering Information continued at end of data sheet.
Selector Guide
PART
MAX5580AEUP
MAX5580AETP
MAX5580BEUP
MAX5580BETP
MAX5581AEUP
MAX5581AETP
MAX5581BEUP
MAX5581BETP
MAX5582EUP
MAX5582ETP
MAX5583EUP
MAX5583ETP
MAX5584EUP
MAX5584ETP
MAX5585EUP
MAX5585ETP
OUTPUT BUFFER
CONFIGURATION
Unity gain
Unity gain
Unity gain
Unity gain
Force sense
Force sense
Force sense
Force sense
Unity gain
Unity gain
Force sense
Force sense
Unity gain
Unity gain
Force sense
Force sense
RESOLUTION
(BITS)
12
12
12
12
12
12
12
12
10
10
10
10
8
8
8
8
INL
(LSB
max)
±1
±1
±4
±4
±1
±1
±4
±4
±1
±1
±1
±1
±0.5
±0.5
±0.5
±0.5
________________________________________________________________ Maxim Integrated Products 1
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.
1 page  
Buffered, Fast-Settling, Quad,
12-/10-/8-Bit, Voltage-Output DACs
ELECTRICAL CHARACTERISTICS (continued)
(AVDD = 2.7V to 5.25V, DVDD = 1.8V to AVDD, AGND = 0, DGND = 0, VREF = 2.5V (for AVDD = 2.7V to 5.25V), VREF = 4.096V (for
AVDD = 4.5V to 5.25V), RL = 10kΩ, CL = 100pF, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
POWER REQUIREMENTS
CONDITIONS
MIN TYP MAX UNITS
Analog Supply Voltage
Range
AVDD
2.70 5.25 V
Digital Supply Voltage
Range
DVDD
1.8
AVDD
V
Operating Supply
Current
IAVDD
+
IDVDD
SLOW mode, all digital inputs
at DGND or DVDD, no load,
VREF = 4.096V
FAST mode, all digital inputs
at DGND or DVDD, no load,
VREF = 4.096V
Unity gain
Force sense
Unity gain
Force sense
0.9 1.6
1.6 2.4
mA
1.6 4
2.3 4
Shutdown Supply
Current
IAVDD(SHDN)
+
No clocks, all digital inputs at DGND or DVDD, all
IDVDD(SHDN) DACs in shutdown mode
0.5 1
µA
Note 1: For the force-sense versions, FB_ is connected to its respective OUT_, and VOUT (max) = VREF / 2, unless otherwise noted.
Note 2: Linearity guaranteed from decimal code 40 to code 4095 for the MAX5580B/MAX5581B (12 bit, B grade), code 20 to code
1023 for the MAX5582/MAX5583 (10 bit), and code 5 to code 255 for the MAX5584/MAX5585 (8 bit).
Note 3: Represents the functional range. The linearity is guaranteed at VREF = 2.5V (for AVDD from 2.7V to 5.25V), and VREF =
4.096V (for AVDD = 4.5V to 5.25V). See the Typical Operating Characteristics section for linearity at other voltages.
Note 4: Guaranteed by design.
Note 5: The reference -3dB bandwidth is measured with a 0.1VP-P sine wave on VREF and with full-scale input code.
Note 6: DC crosstalk is measured as follows: outputs of DACA–DACD are set to full scale and the output of DACD is measured.
While keeping DACD unchanged, the outputs of DACA–DACC are transitioned to zero scale and the ∆VOUT of DACD
is measured.
_______________________________________________________________________________________ 5
5 Page 
Buffered, Fast-Settling, Quad,
12-/10-/8-Bit, Voltage-Output DACs
Typical Operating Characteristics (continued)
(AVDD = DVDD = 5V, VREF = 4.096V, RL = 10kΩ, CL = 100pF, speed mode = FAST, PU = floating, TA = +25°C, unless otherwise noted.)
DIFFERENTIAL NONLINEARITY
vs. TEMPERATURE (12 BIT)
0.2
SUPPLY CURRENT
vs. DIGITAL INPUT CODE (FORCE SENSE)
2.0
SUPPLY CURRENT
vs. DIGITAL INPUT CODE (UNITY GAIN)
1.0
0.1 1.5 0.75
0 1.0 0.50
-0.1
B GRADE
MIDSCALE
-0.2
-40 -15
10 35
TEMPERATURE (°C)
60
85
SUPPLY CURRENT vs. SUPPLY VOLTAGE
(FORCE SENSE)
2.6
2.4
2.2 FAST MODE
2.0
1.8
1.6 SLOW MODE
1.4
1.2
1.0
0.8
0.6
0.4 I = IAVDD + IDVDD
0.2
AVDD = DVDD
NO LOAD
0
2.70 3.40
4.10
4.80 5.25
SUPPLY VOLTAGE (V)
OFFSET ERROR vs. TEMPERATURE
7
CODE = 40
6 UNITY GAIN: 1 LSB = 1mV
FORCE SENSE: 1 LSB = 0.5mV
5 B GRADE
4
FORCE SENSE
3
2
1
0
-40
UNITY GAIN
-15 10 35 60
TEMPERATURE (°C)
85
0.5
SLOW MODE
12 BIT
NO LOAD
0
0 1024 2048 3072
DIGITAL INPUT CODE
4095
SUPPLY CURRENT vs. SUPPLY VOLTAGE
(UNITY GAIN)
1.6
1.4 FAST MODE
1.2
SLOW MODE
1.0
0.8
0.6
0.4
I = IAVDD + IDVDD
0.2 AVDD = DVDD
NO LOAD
0
2.70 3.40
4.10
SUPPLY VOLTAGE (V)
4.80
5.25
GAIN ERROR vs. TEMPERATURE
0
-1
-2
-3 FORCE SENSE
-4
-5
-6
-7
UNITY GAIN
-8 B GRADE
-9 UNITY GAIN: 1 LSB = 1mV
FORCE SENSE: 1 LSB = 0.5mV
-10
-40 -15 10 35 60
TEMPERATURE (°C)
85
0.25
SLOW MODE
12 BIT
NO LOAD
0
0 1024 2048 3072
DIGITAL INPUT CODE
4095
SHUTDOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
100
95
90
85
80 UNITY GAIN
75
FORCE SENSE
70
65
60 AVDD = DVDD
55
NO LOAD
I = IAVDD + IDVDD
50
2.70 3.40
4.10
SUPPLY VOLTAGE (V)
4.80
5.25
OUTPUT VOLTAGE
vs. OUTPUT SOURCE/SINK CURRENT
2.5
MIDSCALE
2.0
1.5
1.0
0.5
UNITY GAIN
VREF = 4.096V
0
-15 -10 -5
0
IOUT (mA)
5
10 15
______________________________________________________________________________________ 11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet MAX5584.PDF ] | |
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