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PDF MAX537 Data sheet ( Hoja de datos )
| Número de pieza | MAX537 | |
| Descripción | Calibrated / Quad / 12-Bit Voltage-Output DACs with Serial Interface | |
| Fabricantes | Maxim Integrated | |
| Logotipo |  |
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19-0230; Rev 3; 3/11
Calibrated, Quad, 12-Bit
Voltage-Output DACs with Serial Interface
_______________General Description
The MAX536/MAX537 combine four 12-bit, voltage-output
digital-to-analog converters (DACs) and four precision
output amplifiers in a space-saving 16-pin package.
Offset, gain, and linearity are factory calibrated to provide
the MAX536’s ±1 LSB total unadjusted error. The
MAX537 operates with ±5V supplies, while the MAX536
uses -5V and +10.8V to +13.2V supplies.
Each DAC has a double-buffered input, organized as
an input register followed by a DAC register. A 16-bit
serial word is used to load data into each input/DAC
register. The serial interface is compatible with either
SPI/QSPI™ or MICROWIRE™, and allows the input and
DAC registers to be updated independently or simulta-
neously with a single software command. The DAC reg-
isters can be simultaneously updated with a hardware
LDAC pin. All logic inputs are TTL/CMOS compatible.
________________________Applications
Industrial Process Controls
Automatic Test Equipment
Digital Offset and Gain Adjustment
Motion Control Devices
Remote Industrial Controls
Microprocessor-Controlled Systems
________________Functional Diagram
SDO LDAC
DGND
VDD
AGND
VSS TP REFAB
DECODE
CONTROL
INPUT
REG A
DAC
REG A
16-BIT
SHIFT
REGISTER
INPUT
REG B
DAC
REG B
INPUT DAC
REG C REG C
SR
CONTROL
INPUT DAC
REG D REG D
MAX536/MAX537
DAC A
OUTA
DAC B
OUTB
DAC C
OUTC
DAC D
OUTD
CS SDI SCK
REFCD
____________________________Features
♦ Four 12-Bit DACs with Output Buffers
♦ Simultaneous or Independent Control of Four
DACs via a 3-Wire Serial Interface
♦ Power-On Reset
♦ SPI/QSPI and MICROWIRE Compatible
♦ ±1 LSB Total Unadjusted Error (MAX536)
♦ Full 12-Bit Performance without Adjustments
♦ ±5V Supply Operation (MAX537)
♦ Double-Buffered Digital Inputs
♦ Buffered Voltage Output
♦ 16-Pin DIP/SO Packages
______________ Ordering Information
PART
TEMP RANGE
PIN-
PACKAGE
MAX536ACPE+
0°C to +70°C 16 PDIP
MAX536BCPE+
0°C to +70°C 16 PDIP
MAX536ACWE+
0°C to +70°C 16 Wide SO
MAX536BCWE+
0°C to +70°C 16 Wide SO
MAX536AEPE+
-40°C to +85°C 16 PDIP
MAX536BEPE+
-40°C to +85°C 16 PDIP
MAX536AEWE+ -40°C to +85°C 16 Wide SO
MAX536BEWE+ -40°C to +85°C 16 Wide SO
+Denotes a lead(Pb)-free/RoHS-compliant package.
INL
(LSB)
±0.5
±1
±0.5
±1
±0.5
±1
±0.5
±1
Ordering Information continued at end of data sheet.
__________________Pin Configuration
TOP VIEW
+
OUTB 1
OUTA 2
VSS 3
AGND 4
REFAB 5
MAX536
MAX537
DGND 6
LDAC 7
SDI 8
DIP/SO
16 OUTC
15 OUTD
14 VDD
13 TP
12 REFCD
11 SDO
10 SCK
9 CS
SPI and 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 Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
1 page  
Calibrated, Quad, 12-Bit
Voltage-Output DACs with Serial Interface
ELECTRICAL CHARACTERISTICS—MAX537
(VDD = +5V, VSS = -5V, REFAB/REFCD = 2.5V, AGND = DGND = 0V, RL = 5kΩ, CL = 100pF, TA = TMIN to TMAX, unless
otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
STATIC PERFORMANCE—ANALOG SECTION
Resolution
N
12 Bits
Integral Nonlinearity
MAX537A
INL
MAX537B
±0.15 ±0.50
±1
LSB
Differential Nonlinearity
DNL Guaranteed monotonic
±1 LSB
TA = +25°C
MAX537A
MAX537B
±3.0
±6.0
Offset Error
TA = TMIN to TMAX
MAX537AC
MAX537BC
MAX537AE
±6.0
±9.0
±7.0
mV
MAX537BE
±11.0
Gain Error
VDD Power-Supply Rejection Ratio PSRR
VSS Power-Supply Rejection Ratio
PSRR
MATCHING PERFORMANCE (TA = +25°C)
Gain Error
RL = ∞
RL = 5kΩ
TA = +25°C, 4.5V ≤ VDD ≤ 5.5V
TA = +25°C, -5.5V ≤ VSS ≤ -4.5V
-0.3
-0.8
±0.01
±0.02
±1.5
±3.0
±0.5
±0.7
LSB
LSB/V
LSB/V
±0.1 ±1.25 LSB
Offset Error
MAX537A
MAX537B
±0.3
±0.3
±3.0
±6.0
mV
Integral Nonlinearity
INL
±0.35 ±1.0
LSB
REFERENCE INPUT
Reference Input Range
Reference Input Resistance
REF
RREF
Code dependent, minimum at code 555 hex
0
5
VDD - 2.2
V
kΩ
MULTIPLYING-MODE PERFORMANCE
Reference 3dB Bandwidth
VREF = 2VP-P
700 kHz
Reference Feedthrough
Input code = all 0s
VREF = 10VP-P at
400Hz
VREF = 10VP-P at
4kHz
-100
-82
dB
Total Harmonic Distortion Plus
Noise
THD+N VREF = 850mVP-P at 100kHz
0.024
%
DIGITAL INPUTS (SDI, SCK, CS, LDAC)
Input High Voltage
Input Low Voltage
Input Leakage Current
VIH
VIL
VIN = 0V or VDD
2.4 V
0.8 V
1.0 µA
Input Capacitance (Note 2)
10 pF
_______________________________________________________________________________________ 5
5 Page 
Calibrated, Quad, 12-Bit
Voltage-Output DACs with Serial Interface
____________________________Typical Operating Characteristics (continued)
(TA = +25°C, unless otherwise noted.)
MAX537
MAX537
DYNAMIC RESPONSE (ALL BITS ON, OFF, ON)
MAX537
NEGATIVE FULL-SCALE SETTLING TIME
(ALL BITS ON TO ALL BITS OFF)
CS,
5V/div
CS,
5V/div
OUTA,
1V/div
OUTA,
5mV/div
5µs/div
VDD = +5V, VSS = -5V, REFAB = 2.5V, CL = 100pF, RL = 10kΩ
1µs/div
VDD = +5V, VSS = -5V, REFAB = 2.5V, CL = 100pF, RL = 10kΩ
MAX537
POSITIVE FULL-SCALE SETTLING TIME
(ALL BITS OFF TO ALL BITS ON)
CS,
5V/div
OUTA,
5mV/div
MAX537
DIGITAL FEEDTHROUGH
SCK,
5V/div
OUTA,
AC-COUPLED,
20mV/div
1µs/div
VDD = +5V, VSS = -5V, REFAB = 2.5V, CL = 100pF, RL = 10kΩ
100ns/div
VDD = +5V, VSS = -5V, REFAB = 2.5V, CS = HIGH,
DIN TOGGLING AT 1⁄2 THE CLOCK RATE,
OUTA = 1.25V
______________________________________________________________________________________ 11
11 Page | ||
| Páginas | Total 24 Páginas | |
| PDF Descargar | [ Datasheet MAX537.PDF ] | |
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