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PDF MAX5732 Data sheet ( Hoja de datos )
| Número de pieza | MAX5732 | |
| Descripción | 32-Channel / 16-Bit / Voltage-Output DACs with Serial Interface | |
| Fabricantes | Maxim Integrated | |
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19-3148; Rev 4; 12/04
EVAALVUAAILTAIOBNLEKIT
32-Channel, 16-Bit, Voltage-Output
DACs with Serial Interface
General Description
The MAX5732–MAX5735 are 32-channel, 16-bit, voltage-
output, digital-to-analog converters (DACs). All devices
accept a 3V external reference input. The devices
include an internal offset DAC that allows all the outputs
to be offset and a ground-sensing function, allowing out-
put voltages to be referenced to a remote ground.
A 33MHz SPI™-/QSPI™-/MICROWIRE™- and digital
signal processor (DSP)-compatible serial interface con-
trols the MAX5732–MAX5735. Each DAC has a double-
buffered input structure that helps minimize the digital
noise feedthrough from the digital inputs to the outputs,
and allows for synchronous or asynchronous updating
of the outputs. The MAX5732–MAX5735 also provide a
DOUT that allows for read-back or daisy chaining multi-
ple devices. The devices provide separate power
inputs for the analog and digital sections and provide
separate power inputs for the output buffer amplifiers.
The MAX5732–MAX5735 include proprietary deglitch
circuits to prevent output glitches at power-up and
eliminate the need for power sequencing. The devices
provide a software-shutdown mode to allow efficient
power management. The MAX5732–MAX5735 con-
sume 50µA of supply current in shutdown.
The MAX5732–MAX5735 provide buffered outputs that
can drive 10kΩ in parallel with 100pF. The MAX5732 has
a 0 to +5V output range; the MAX5733 has a 0 to +10V
range; the MAX5734 has a -2.5V to +7.5V range; the
MAX5735 has a -5V to +5V range. The MAX5732–
MAX5735 are available in a 56-pin, 8mm x 8mm, thin
QFN package in both the commercial (0°C to +70°C)
and extended (-40°C to +85°C) temperature ranges.
Applications
Automatic Test Systems
Optical Router Controls
Industrial Process Controls
Arbitrary Function Generators
Avionics Equipment
Digital Offset/Gain Adjustment
SPI/QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
Pin Configuration and Selector Guide appear at end of data
sheet.
Features
♦ Guaranteed Monotonic to 16 Bits
♦ 32 Individual DACs in an 8mm x 8mm, 56-Pin,
Thin QFN Package
♦ Four Output Voltage Ranges
0 to +5V
0 to +10V
-2.5V to +7.5V
-5V to +5V
♦ Buffered Voltage Outputs Capable of Driving
10kΩ || 100pF
♦ Glitch-Free Power-Up
♦ SPI-/QSPI-/MICROWIRE-/DSP-Compatible 33MHz
Serial Interface
Ordering Information
PART
TEMP RANGE PIN-PACKAGE
MAX5732ACTN*
0°C to +70°C
56 Thin QFN-EP**
MAX5732BCTN
0°C to +70°C
56 Thin QFN-EP**
MAX5732CCTN
0°C to +70°C
56 Thin QFN-EP**
MAX5732AETN*
-40°C to +85°C
56 Thin QFN-EP**
MAX5732BETN
-40°C to +85°C
56 Thin QFN-EP**
MAX5732CETN
-40°C to +85°C
56 Thin QFN-EP**
MAX5733ACTN*
0°C to +70°C
56 Thin QFN-EP**
MAX5733BCTN
0°C to +70°C
56 Thin QFN-EP**
MAX5733CCTN
0°C to +70°C
56 Thin QFN-EP**
MAX5733AETN*
-40°C to +85°C
56 Thin QFN-EP**
MAX5733BETN
-40°C to +85°C
56 Thin QFN-EP**
MAX5733CETN
-40°C to +85°C
56 Thin QFN-EP**
MAX5734ACTN*
0°C to +70°C
56 Thin QFN-EP**
MAX5734BCTN
0°C to +70°C
56 Thin QFN-EP**
MAX5734CCTN
0°C to +70°C
56 Thin QFN-EP**
MAX5734AETN*
-40°C to +85°C
56 Thin QFN-EP**
MAX5734BETN
-40°C to +85°C
56 Thin QFN-EP**
MAX5734CETN
-40°C to +85°C
56 Thin QFN-EP**
MAX5735ACTN*
0°C to +70°C
56 Thin QFN-EP**
MAX5735BCTN
0°C to +70°C
56 Thin QFN-EP**
MAX5735CCTN
0°C to +70°C
56 Thin QFN-EP**
MAX5735AETN*
-40°C to +85°C
56 Thin QFN-EP**
MAX5735BETN
-40°C to +85°C
56 Thin QFN-EP**
MAX5735CETN
-40°C to +85°C
56 Thin QFN-EP**
*Future product—contact factory for availability. Specifications
are preliminary.
**EP = Exposed paddle (internally connected to VSS).
________________________________________________________________ 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  
32-Channel, 16-Bit, Voltage-Output
DACs with Serial Interface
ELECTRICAL CHARACTERISTICS—MAX5733 (0 to +10V Output Voltage Range) (continued)
(AVCC = +10.5V to +11V, AVDD = 5V ±5%, DVDD = +2.7V to AVDD, VSS = AGND = DGND = REFGND = GS = 0, VREF = +3.0V,
RL = ∞, CL = 50pF referenced to ground, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
DIGITAL INPUTS (CS, SCLK, DIN, LDAC, CLR, DSP)
CONDITIONS
Input-Voltage High
VIH DVDD = +2.7V to +3.6V
Input-Voltage Low
DVDD = +4.75V to +5.25V
VIL
Input Capacitance
CIN
Input Current
IIN Digital inputs = 0 or DVDD
POWER REQUIREMENTS (AVCC, VSS, AGND, AVDD, DVDD, DGND)
Output-Amplifier Positive Supply
Voltage
AVCC
MIN TYP MAX UNITS
0.7 ×
DVDD
V
2.4
0.8 V
10 pF
±1 µA
10 11 V
Output-Amplifier Negative Supply
Voltage
VSS
-0.5 0 V
Output-Amplifier Supply Voltage
Difference
Analog Supply Voltage
Digital Supply Voltage
Analog Supply Current
Digital Supply Current
Output-Amplifier Positive Supply
Current
Output-Amplifier Negative Supply
Current
Power-Supply Rejection Ratio
AVDD
DVDD
AIDD
DIDD
AICC
ISS
PSRR
AVCC - VSS
VOUT0 through VOUT31 = 0
Software shutdown
VIH = DVDD, VIL = 0, fSCLK = 20MHz
VIH = +2.4V, VIL = +0.8V, fSCLK = 20MHz
VOUT0 through VOUT31 = 0
Software shutdown
VSS = -0.5V
VOUT0 through VOUT31 = 0
Software shutdown
4.75
2.70
11
5.25
5.25
10 15
10
2.5 3.5
5 6.5
4 10
20
-4 -10
-20
-95
V
V
V
mA
µA
mA
mA
µA
mA
µA
dB
_______________________________________________________________________________________ 5
5 Page 
32-Channel, 16-Bit, Voltage-Output
DACs with Serial Interface
Typical Operating Characteristics
(AVCC = +10.5V ±5%, AVDD = +5V ±5%, DVDD = +5V, VSS = AGND = DGND = REFGND = GS = 0, VREF = +3.000V, RL = ∞, CL =
50pF referenced to ground, output gain = 2.5, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C).
INTEGRAL NONLINEARITY
vs. INPUT CODE
5
DIFFERENTIAL NONLINEARITY
vs. INPUT CODE
0.4
WORST-CASE INL vs. TEMPERATURE
3.0
4 0.3 2.5
3 0.2 2.0
2 0.1 1.5
1 0 1.0
0 -0.1
0.5
-1
0 10k 20k 30k 40k 50k 60k 70k
INPUT CODE
WORST-CASE DNL vs. TEMPERATURE
0.25
0.20
0.15
0.10
0.05
0
-40
9.0
8.9
8.8
8.7
8.6
8.5
8.4
8.3
8.2
8.1
8.0
-40
-15 10 35 60
TEMPERATURE (°C)
ANALOG SUPPLY CURRENT
vs. TEMPERATURE
-15 10 35 60
TEMPERATURE (°C)
85
85
-0.2
0
10k 20k 30k 40k 50k 60k 70k
INPUT CODE
ZERO-SCALE ERROR
vs. TEMPERATURE
6
5
4
3
2
1
0
-40
VSS = -0.5V
-15 10 35 60
TEMPERATURE (°C)
85
DIGITAL SUPPLY CURRENT
vs. TEMPERATURE
60
59
58
57
56
55
54
53
52
51 ALL DIGITAL INPUTS
AT ZERO OR DVDD
50
-40 -15 10
DVDD = +3V
35 60 85
TEMPERATURE (°C)
0
-40
-15 10 35 60
TEMPERATURE (°C)
85
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
-40
FULL-SCALE ERROR
vs. TEMPERATURE
-15 10 35 60
TEMPERATURE (°C)
85
DIGITAL SUPPLY CURRENT
vs. TEMPERATURE
111
110
109
108
107
106
105
104
103
102 ALL DIGITAL INPUTS
AT ZERO OR DVDD
101
-40 -15 10
DVDD = +5V
35 60 85
TEMPERATURE (°C)
______________________________________________________________________________________ 11
11 Page | ||
| Páginas | Total 26 Páginas | |
| PDF Descargar | [ Datasheet MAX5732.PDF ] | |
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