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PDF MAX5595EUI Data sheet ( Hoja de datos )
| Número de pieza | MAX5595EUI | |
| Descripción | Buffered / Fast-Settling / Octal / 12/10/8-Bit / Voltage-Output DACs | |
| Fabricantes | Maxim Integrated | |
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19-2983; Rev 0; 9/03
Buffered, Fast-Settling, Octal, 12/10/8-Bit,
Voltage-Output DACs
General Description
The MAX5590–MAX5595 octal, 12/10/8-bit, voltage-out-
put 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 compatible with
SPI™, QSPI™, MICROWIRE™, and digital signal
processor (DSP) protocol applications. Multiple devices
can share a common serial interface in direct-access or
daisy-chained configuration. The MAX5590–MAX5595
provide two multifunction, user-programmable, digital
I/O ports. The externally selectable power-up states of
the DAC outputs are either zero scale, midscale, or full
scale. Software-selectable FAST and SLOW settling
modes decrease settling time in FAST mode, or reduce
supply current in SLOW mode.
The MAX5590/MAX5591 are 12-bit DACs, the MAX5592/
MAX5593 are 10-bit DACs, and the MAX5594/
MAX5595 are 8-bit DACs. The MAX5590/MAX5592/
MAX5594 provide unity-gain-configured output buffers,
while the MAX5591/MAX5593/MAX5595 provide force-
sense-configured output buffers. The MAX5590–
MAX5595 are specified over the extended -40°C to
+85°C temperature range, and are available in space-
saving 24-pin and 28-pin TSSOP packages.
Features
♦ Octal, 12/10/8-Bit Serial DACs in TSSOP Packages
♦ 3µs (max) 12-Bit Settling Time to 1/2 LSB
♦ Integral Nonlinearity:
1 LSB (max) MAX5590/MAX5591 A-Grade (12-Bit)
1 LSB (max) MAX5592/MAX5593 (10-Bit)
1/2 LSB (max) MAX5594/MAX5595 (8-Bit)
♦ Guaranteed Monotonic, ±1 LSB (max) DNL
♦ 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
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
Ordering Information
PART
TEMP RANGE PIN-PACKAGE
MAX5590AEUG*
-40°C to +85°C 24 TSSOP
MAX5590BEUG
-40°C to +85°C 24 TSSOP
MAX5591AEUI*
-40°C to +85°C 28 TSSOP
MAX5591BEUI
-40°C to +85°C 28 TSSOP
MAX5592EUG
-40°C to +85°C 24 TSSOP
MAX5593EUI
-40°C to +85°C 28 TSSOP
MAX5594EUG
-40°C to +85°C 24 TSSOP
MAX5595EUI
-40°C to +85°C 28 TSSOP
*Future product—contact factory for availability. Specifications
are preliminary.
Selector Guide and Pin Configurations appear at end of data
sheet.
SPI/QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
________________________________________________________________ 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, Octal, 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
Analog Supply Voltage
Range
AVDD
CONDITIONS
MIN TYP MAX UNITS
2.70 5.25 V
Digital Supply Voltage
Range
Operating Supply
Current
Shutdown Supply
Current
DVDD
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
IAVDD(SHDN)
+
IDVDD(SHDN)
No clocks, all digital inputs at DGND or DVDD, all
DACs in shutdown mode
1.8
AVDD
V
1.5 3.2
2.4 4.8
mA
2.5 8
3.4 8
0.5 1
µA
Note 1: For the force-sense versions, FB_ is connected to its respective OUT_. VOUT (max) = VREF / 2, unless otherwise noted.
Note 2: Linearity guaranteed from decimal code 40 to code 4095 for the MAX5590B/MAX5591B (12-bit, B-grade), code 10 to code
1023 for the MAX5592/MAX5593 (10-bit), and code 3 to code 255 for the MAX5594/MAX5595 (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: DC crosstalk is measured as follows: outputs of DACA–DACH are set to full scale and the output of DACH is measured.
While keeping DACH unchanged, the outputs of DACA–DACG are transitioned to zero scale and the ∆VOUT of DACH is
measured.
Note 5: Guaranteed by design.
Note 6: The reference -3dB bandwidth is measured with a 0.1VP-P sine wave on VREF and with full-scale input code.
_______________________________________________________________________________________ 5
5 Page 
Buffered, Fast-Settling, Octal, 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)
5
SUPPLY CURRENT
vs. DIGITAL INPUT CODE (UNITY GAIN)
3
0.1
0
-0.1
B-GRADE
MIDSCALE
-0.2
-40 -15
10 35
TEMPERATURE (°C)
60
85
SUPPLY CURRENT
vs. SUPPLY VOLTAGE (FORCE-SENSE)
4
FAST MODE
3
SLOW MODE
2
1
AVDD = DVDD
NO LOAD
0
2.70 3.40
4.10
SUPPLY VOLTAGE (V)
4.80
5.25
4
3
2
1
12-BIT
NO LOAD
0
0 1024 2048 3072
DIGITAL INPUT CODE
4095
SUPPLY CURRENT
vs. SUPPLY VOLTAGE (UNITY GAIN)
3.0
FAST MODE
2.5
2.0
SLOW MODE
1.5
1.0
0.5
AVDD = DVDD
NO LOAD
0
2.70 3.40
4.10
SUPPLY VOLTAGE (V)
4.80
5.25
OFFSET ERROR vs. TEMPERATURE
7
CODE = 40
6
UNITY GAIN: 1 LSB = 1mV
FORCE SENSE: 1 LSB = 0.5mV
5
4
FORCE SENSE
3
2
1 UNITY GAIN
0
-40
-15 10 35 60
TEMPERATURE (°C)
85
GAIN ERROR vs. TEMPERATURE
0
-2
-4
FORCE SENSE
-6
UNITY GAIN
-8
UNITY GAIN: 1 LSB = 1mV
FORCE SENSE: 1 LSB = 0.5mV
-10
-40 -15 10
35
TEMPERATURE (°C)
60
85
2
1
12-BIT
NO LOAD
0
0 1024 2048 3072
DIGITAL INPUT CODE
4095
SHUTDOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
60
50
FORCE SENSE
40
UNITY GAIN
30
20
10
NO LOAD
0
2.70 3.40
4.10
SUPPLY VOLTAGE (V)
4.80
5.25
OUTPUT VOLTAGE
vs. OUTPUT SOURCE/SINK CURRENT
2.5
2.0
MIDSCALE
1.5
1.0
0.5
UNITY GAIN
VREF = 4.096V
0
-15 -10 -5
05
IOUT (mA)
10 15
______________________________________________________________________________________ 11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet MAX5595EUI.PDF ] | |
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