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What is MAX5805?

This electronic component, produced by the manufacturer "Maxim Integrated", performs the same function as "(MAX5803 - MAX5805) 8-/10-/12-Bit Buffered Output Voltage DACs".


MAX5805 Datasheet PDF - Maxim Integrated

Part Number MAX5805
Description (MAX5803 - MAX5805) 8-/10-/12-Bit Buffered Output Voltage DACs
Manufacturers Maxim Integrated　
Logo Maxim Integrated Logo　


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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/

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MAX5805 equivalent
MAX5803/MAX5804/MAX5805
Ultra-Small, Single-Channel, 8-/10-/12-Bit Buffered Output
Voltage DACs with Internal Reference and I2C Interface
ELECTRICAL CHARACTERISTICS (continued)
(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
REFERENCE INPUT
Reference Input Range
Reference Input Current
Reference Input Impedance
REFERENCE OUPUT
Reference Output Voltage
Reference Output Noise Density
Integrated Reference Output
Noise
Reference Temperature
Coefficient (Note 8)
Reference Drive Capacity
Reference Capacitive Load
Handling
Reference Load Regulation
Reference Line Regulation
SYMBOL
CONDITIONS
VREF
IREF
RREF
VREF = VDD = 5.5V
VREF
VREF = 2.048V, TA = +25NC
VREF = 2.5V, TA = +25NC
VREF = 4.096V, TA = +25NC
VREF = 2.048V
f = 1kHz
f = 10kHz
VREF = 2.500V
f = 1kHz
f = 10kHz
VREF = 4.096V
f = 1kHz
f = 10kHz
VREF = 2.048V
f = 0.1Hz to 10Hz
www.DataSheet.net/
f = 0.1Hz to 10kHz
f = 0.1Hz to 300kHz
f = 0.1Hz to 10Hz
VREF = 2.500V
f = 0.1Hz to 10kHz
f = 0.1Hz to 300kHz
f = 0.1Hz to 10Hz
VREF = 4.096V
f = 0.1Hz to 10kHz
f = 0.1Hz to 300kHz
MAX5805A
MAX5803/MAX5804/MAX5805B
External load
ISOURCE = 0 to 500FA
MIN
1.24
75
2.043
2.494
4.086
TYP
55
100
2.048
2.500
4.096
129
122
158
151
254
237
12
110
390
15
129
430
20
205
525
±4
±10
25
200
1.0
0.1
MAX UNITS
VDD
V
75 FA
kI
2.053
2.506
4.106
V
nV/√Hz
FVP-P
±12
±25 ppm/NC
kI
pF
mV/mA
mV/V
Maxim Integrated
  5
Datasheet pdf - http://www.DataSheet4U.co.kr/


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