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LTC2654BCUF-L16#PBF

Description
Digital to Analog Converters - DAC 16-Bit SPI Quad DAC (1.25V Reference, 4LSB INL)
CategoryAnalog mixed-signal IC    converter   
File Size336KB,24 Pages
ManufacturerADI
Websitehttps://www.analog.com
Environmental Compliance
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LTC2654BCUF-L16#PBF Overview

Digital to Analog Converters - DAC 16-Bit SPI Quad DAC (1.25V Reference, 4LSB INL)

LTC2654BCUF-L16#PBF Parametric

Parameter NameAttribute value
Brand NameAnalog Devices Inc
Is it lead-free?Contains lead
Is it Rohs certified?conform to
MakerADI
package instructionHVQCCN,
Contacts20
Manufacturer packaging code05-08-1710
Reach Compliance Codecompliant
Maximum analog output voltage2.5 V
Minimum analog output voltage
Converter typeD/A CONVERTER
Enter bit codeBINARY
Input formatSERIAL
JESD-30 codeS-PQCC-N20
JESD-609 codee3
length4 mm
Maximum linear error (EL)0.0061%
Humidity sensitivity level1
Number of digits16
Number of functions1
Number of terminals20
Maximum operating temperature70 °C
Minimum operating temperature
Package body materialPLASTIC/EPOXY
encapsulated codeHVQCCN
Package shapeSQUARE
Package formCHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)NOT SPECIFIED
Certification statusNot Qualified
Maximum seat height0.8 mm
Nominal settling time (tstl)8.9 µs
Nominal supply voltage3 V
surface mountYES
technologyCMOS
Temperature levelCOMMERCIAL
Terminal surfaceMatte Tin (Sn)
Terminal formNO LEAD
Terminal pitch0.5 mm
Terminal locationQUAD
Maximum time at peak reflow temperatureNOT SPECIFIED
width4 mm
FEATURES
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LTC2654
Quad 16-/12-Bit Rail-to-Rail
DACs with 10ppm/°C
Max Reference
DESCRIPTION
The LTC
®
2654 is a family of quad 16-/12-bit rail-to-rail
DACs with integrated 10ppm/°C maximum reference . The
DACs have built-in high performance, rail-to-rail, output
buffers and are guaranteed monotonic. The LTC2654-L
has a full-scale output of 2.5V with the integrated refer-
ence and operates from a single 2.7V to 5.5V supply.
The LTC2654-H has a full-scale output of 4.096V with
the integrated reference and operates from a 4.5V to
5.5V supply. Each DAC can also operate with an external
reference, which sets the full-scale output to 2 times the
external reference voltage.
These DACs communicate via a SPI/MICROWIRE compat-
ible 4-wire serial interface which operates at clock rates
up to 50MHz. The LTC2654 incorporates a power-on reset
circuit that is controlled by the PORSEL pin. If PORSEL
is tied to GND the DACs reset to zero-scale. If PORSEL is
tied to V
CC
, the DACs reset to mid-scale.
L,
LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners.
Protected by U.S. Patents, including 5396245, 6891433 and patent pending.
Precision Reference 10ppm/°C Max
Maximum INL Error: ±4LSB at 16-Bits
Low ±2mV (Max) Offset Error
Guaranteed Monotonic Over Temperature
Selectable Internal or External Reference
2.7V to 5.5V Supply Range (LTC2654-L)
Integrated Reference Buffers
Ultralow Crosstalk Between DACs (<3nV•s)
Power-on-Reset to Zero-Scale/Mid-Scale
Asynchronous DAC Update Pin
Tiny 20-Lead 4mm
×
4mm QFN and 16-Lead Narrow
SSOP Packages
APPLICATIONS
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Mobile Communications
Process Control and Industrial Automation
Instrumentation
Automatic Test Equipment
Automotive
BLOCK DIAGRAM
REFCOMP
GND
REFLO
REGISTER
REGISTER
REGISTER
REGISTER
V
OUTA
DAC A
DAC D
V
OUTD
3
2
INL (LSB)
1
0
–1
–2
–3
CONTROL LOGIC
SCK
SDI
LDAC
32-BIT SHIFT REGISTER
CLR
DECODE
POWER-ON
RESET
PORSEL
SDO
–4
128
16384
32768
CODE
49152
65535
2654 TA01b
INTERNAL REFERENCE
REFIN/OUT
V
CC
INL Curve
4
V
CC
= 5V
REGISTER
REGISTER
REGISTER
REGISTER
V
OUTB
DAC B
DAC C
V
OUTC
CS/LD
2654 TA01a
2654f
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