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LTC2654BCUF-H16#PBF

Description
16 位数模转换器 4 20-QFN(4x4)
Categorysemiconductor    ADC/DAC - professional data collection   
File Size336KB,24 Pages
ManufacturerADI
Websitehttps://www.analog.com
Environmental Compliance
Download Datasheet Parametric View All

LTC2654BCUF-H16#PBF Overview

16 位数模转换器 4 20-QFN(4x4)

LTC2654BCUF-H16#PBF Parametric

Parameter NameAttribute value
category
MakerADI
series-
PackagePipe fittings
Number of digits16
Number of digital-to-analog converters4
Setup time8.9µs(标准)
Output typeVoltage - Buffered
Differential outputnone
Data interfaceSPI
Reference typeoutside, inside
Voltage - Power Supply, Analog5V
Voltage - Power Supply, Digital5V
INL/DNL (LSB)±2,±0.3
Architecture-
Operating temperature0°C ~ 70°C
Package/casing20-WFQFN Exposed Pad
Supplier device packaging20-QFN(4x4)
Installation typesurface mount type
Basic product numberLTC2654
FEATURES
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n
n
n
n
n
n
n
n
n
n
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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n
n
n
n
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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