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Maxim Integrated Semiconductor Electronic Components Datasheet

MAX5805 Datasheet

(MAX5803 - MAX5805) 8-/10-/12-Bit Buffered Output Voltage DACs

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MAX5805 pdf
MAX5803/MAX5804/MAX5805
Ultra-Small, Single-Channel, 8-/10-/12-Bit Buffered Output
Voltage DACs with Internal Reference and I2C Interface
General Description
The MAX5803/MAX5804/MAX5805 single-channel, low-
power, 8-/10-/12-bit, voltage-output digital-to-analog
converters (DACs) include output buffers and an internal
reference that is selectable to be 2.048V, 2.500V, or
4.096V. The MAX5803/MAX5804/MAX5805 accept a
wide supply voltage range of 2.7V to 5.5V with extremely
low power (< 1mW) consumption to accommodate most
low-voltage applications. A precision external reference
input allows rail-to-rail operation and presents a 100kI
(typ) load to an external reference.
The MAX5803/MAX5804/MAX5805 have an I2C-
compatible, 2-wire interface that operates at clock
rates up to 400kHz. The DAC output is buffered and
has a low supply current of 155FA (typical at 3V) and
a low offset error of Q0.5mV (typical). On power-up, the
MAX5803/MAX5804/MAX5805 reset the DAC outputs
to zero, providing additional safety for applications that
drive valves or other transducers which need to be off
on power-up. The internal reference is initially powered
down to allow use of an external reference.
The MAX5803/MAX5804/MAX5805 include a user-
configurable active-low asynchronous input, AUX for
additional flexibility. This input can be programmed to
asynchronously clear (CLR) or temporarily gate (GATE) the
DAC output to a user-programmable value. A dedicated
active-low asynchronous LDAC input is also included. This
allows simultaneous output updates of multiple devices.
The MAX5803/MAX5804/MAX5805 are available in 10-pin
TDFN/µMAXM packages and are specified over the -40NC
to +125NC temperature range.
Applications
Programmable Voltage and Current Sources
Gain and Offset Adjustment
Automatic Tuning and Optical Control
Power Amplifier Control and Biasing
Process Control and Servo Loops
Portable Instrumentation
Data Acquisition
Benefits and Features
S Single High-Accuracy DAC Channel
12-Bit Accuracy Without Adjustments
±1 LSB INL Buffered Voltage Output
G uaranteed Monotonic Over All Operating
Conditions
S Three Precision Selectable Internal References
2.048V, 2.500V, or 4.096V
S Internal Output Buffer
Rail-to-Rail Operation with External Reference
6.3µs Settling Time
Output Directly Drives 2kI Loads
S Small, 10-Pin, 2mm x 3mm TDFN and 3mm x 5mm
µMAX Packages
S Wide 2.7V to 5.5V Supply Range
S Flexible 1.8V to 5.5V VDDIO
S Fast 400kHz I2C-Compatible, 2-Wire Serial Interface
with Readback
S Power-On-Reset to Zero-Scale DAC Output
www.DataSheet.net/
S User-Configurable Asynchronous I/O Functions:
CLR, LDAC, GATE
S Three Software-Selectable Power-Down Output
Impedances: 1kI, 100kI, or High Impedance
S Low 155µA DAC Supply Current at 3V
Functional Diagram
VDDIO
VDD
REF
INTERNAL REFERENCE /
EXTERNAL BUFFER
MAX5803
MAX5804
MAX5805
SCL
SDA
ADDR
I2C
SERIAL
CODE
REGISTER
DAC
LATCH
8 -/ 10 -/
12-BIT
DAC
BUFFER
INTERFACE
AUX
LDAC
CODE
CLEAR /
RESET
LOAD
GATE
CLEAR /
RESET
PPOORR
DAC CONTROL LOGIC
POWER
DOWN
100kI 1kI
OUT
GND
µMAX is a registered trademark of Maxim Integrated Products, Inc.
Ordering Information appears at end of data sheet.
For related parts and recommended products to use with this part, refer to: www.maximintegrated.com/MAX5803.related
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
19-6464; Rev 0; 11/12
Datasheet pdf - http://www.DataSheet4U.co.kr/


Maxim Integrated Semiconductor Electronic Components Datasheet

MAX5805 Datasheet

(MAX5803 - MAX5805) 8-/10-/12-Bit Buffered Output Voltage DACs

No Preview Available !

MAX5805 pdf
MAX5803/MAX5804/MAX5805
Ultra-Small, Single-Channel, 8-/10-/12-Bit Buffered Output
Voltage DACs with Internal Reference and I2C Interface
ABSOLUTE MAXIMUM RATINGS
VDD to GND..............................................................-0.3V to +6V
VDDIO to GND..........................................................-0.3V to +6V
OUT, REF to GND.........-0.3V to lower of (VDD + 0.3V) and +6V
SCL, SDA, AUX, LDAC to GND...............................-0.3V to +6V
ADDR to GND....................................................-0.3V to lower of
(VDDIO + 0.3V) and +6V
Continuous Power Dissipation (TA = +70NC)
TDFN (derate 14.9mW/NC above +70NC)................1188.7mW
µMAX (derate 8.8mW/NC above +70NC)...................707.3mW
Maximum Continuous Current into Any Pin..................... ±50mA
Operating Temperature Range......................... -40NC to +125NC
Storage Temperature Range............................. -65NC to +150NC
Lead Temperature (soldering, 10s).................................+300NC
Soldering Temperature (reflow).......................................+260NC
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional opera-
tion 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.
PACKAGE THERMAL CHARACTERISTICS (Note 1)
TDFN
Junction-to-Ambient Thermal Resistance (θJA)........67.3NC/W
µMAX
Junction-to-Ambient Thermal Resistance (θJA)......113.1NC/W
Junction-to-Ambient Thermal Resistance (θJC)............42NC/W
Note 1: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer
board. For detailed information on package thermal considerations, refer to www.maximintegrated.com/thermal-tutorial.
www.DataSheet.net/
ELECTRICAL CHARACTERISTICS
(VDD = 2.7V to 5.5V, VDDIO = 1.8V to 5.5V, VGND = 0V, CL = 200pF, RL = 2kI , TA = -40NC to +125NC, unless otherwise noted.
Typical values are at TA = +25NC.)(Note 2)
PARAMETER
DC PERFORMANCE (Note 3)
Resolution and Monotonicity
Integral Nonlinearity (Note 4)
Differential Nonlinearity (Note 4)
Offset Error (Note 5)
Offset Error Drift
Gain Error (Note 5)
Gain Temperature Coefficient
Zero-Scale Error
Full-Scale Error
SYMBOL
CONDITIONS
N
INL
DNL
OE
MAX5803
MAX5804
MAX5805
MAX5803, 8 bits
MAX5804, 10 bits
MAX5805, 12 bits
MAX5803, 8 bits
MAX5804, 10 bits
MAX5805, 12 bits
GE
With respect to VREF
With respect to VREF
MIN TYP MAX UNITS
8
10
12
-0.25
-0.5
-1
-0.25
-0.5
-1
-5
-1.0
0
-0.5
±0.05
±0.2
±0. 5
±0.05
±0.1
±0.2
±0.5
±10
±0.1
±2.5
Bits
+0.25
+0.5
+1
+0.25
+0.5
+1
+5
+1.0
+10
+0.5
LSB
LSB
mV
FV/NC
%FS
ppm of
FS/NC
mV
%FS
Maxim Integrated
  2
Datasheet pdf - http://www.DataSheet4U.co.kr/


Part Number MAX5805
Description (MAX5803 - MAX5805) 8-/10-/12-Bit Buffered Output Voltage DACs
Maker Maxim
Total Page 30 Pages
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