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LTC2635HUD-LZ10#PBF

Description
DAC 4-CH 10-bit Automotive 16-Pin QFN EP Tube
File Size555KB,32 Pages
ManufacturerADI
Websitehttps://www.analog.com
Download Datasheet Parametric View All

LTC2635HUD-LZ10#PBF Overview

DAC 4-CH 10-bit Automotive 16-Pin QFN EP Tube

LTC2635HUD-LZ10#PBF Parametric

Parameter NameAttribute value
EU restricts the use of certain hazardous substancesCompliant
ECCN (US)EAR99
Part StatusActive
Converter TypeGeneral Purpose
Resolution10bit
Number of DAC Channels4
Number of Outputs per Chip4
Maximum Settling Time (us)4.1(Typ)
Digital Interface TypeSerial (2-Wire, I2C)
Output TypeVoltage
Output PolarityUnipolar
Voltage ReferenceInternal|External
Minimum Single Supply Voltage (V)2.7
Typical Single Supply Voltage (V)3.3|5
Maximum Single Supply Voltage (V)5.5
Power Supply TypeSingle
Maximum Power Dissipation (mW)1.5(Typ)
Integral Nonlinearity Error±1LSB
Full Scale Error±0.8%FSR
Digital Supply SupportNo
Minimum Operating Temperature (°C)-40
Maximum Operating Temperature (°C)125
PackagingTube
Supplier Temperature GradeAutomotive
Pin Count16
Standard Package NameQFN
Supplier PackageQFN EP
MountingSurface Mount
Package Height0.75(Max)
Package Length3
Package Width3
PCB changed16
Lead ShapeNo Lead
LTC2635
Quad 12-/10-/8-Bit I
2
C V
OUT
DACs with 10ppm/°C Reference
FEATURES
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DESCRIPTION
The
LTC
®
2635
is a family of quad 12-, 10-, and 8-bit
voltage-output DACs with an integrated, high-accuracy,
low-drift reference in a 16-pin QFN or a 10-lead MSOP
package. It has rail-to-rail output buffers and is guaran-
teed monotonic. The LTC2635-L has a full-scale output
of 2.5V, and operates from a single 2.7V to 5.5V supply.
The LTC2635-H has a full-scale output of 4.096V, 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 the external reference voltage.
These DACs communicate via a 2-wire I
2
C-compatible
serial interface. The LTC2635 operates in both the stan-
dard mode (clock rate of 100kHz) and the fast mode (clock
rate of 400kHz). The LTC2635 incorporates a power-on
reset circuit. Options are available for reset to zero-scale,
reset to mid-scale in internal reference mode, reset to
mid-scale in external reference mode, or reset with all
DAC outputs in a high-impedance state after power-up.
All registered trademarks and trademarks are the property of their respective owners. Protected
by U.S. patents, including 5396245, 5859606, 6891433, 6937178, 7414561.
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Integrated Precision Reference
2.5V Full-Scale 10ppm/°C (LTC2635-L)
4.096V Full-Scale 10ppm/°C (LTC2635-H)
Maximum INL Error: ±2.5 LSB (LTC2635-12)
Power-On-Reset to Zero-Scale/Mid-Scale/Hi-Z
Low Noise: 0.75mV
P-P
0.1Hz to 200kHz
Guaranteed Monotonic Over –40°C to 125°C
Automotive Temperature Range
Selectable Internal or External Reference
2.7V to 5.5V Supply Range (LTC2635-L)
Ultralow Crosstalk Between DACs (3nV•s)
Low Power: 0.6mA at 3V
Double-Buffered Data Latches
Small 16-Pin 3mm × 3mm QFN and 10-Lead MSOP
Packages
APPLICATIONS
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Mobile Communications
Process Control and Industrial Automation
Power Supply Margining
Portable Equipment
Automotive
BLOCK DIAGRAM
GND
INTERNAL
REFERENCE
SWITCH
V
REF
(REFLO)
REGISTER
REGISTER
REGISTER
V
OUTA
REGISTER
V
CC
V
OUTD
REF
Integral Nonlinerity
2
V
CC
= 3V
INTERNAL REF
.
1
INL (LSB)
DAC A
DAC D
V
REF
REGISTER
REGISTER
REGISTER
V
OUTB
REGISTER
DAC B
DAC C
V
REF
V
OUTC
0
–1
(LDAC)
DECODE
CA0
(CA1)
(CA2)
I
2
C
ADDRESS
DECODE
POWER-ON
RESET
SCL
–2
0
1024
2048
CODE
3072
4095
2635 TA01
I
2
C INTERFACE
SDA
( ) QFN PACKAGE ONLY
2635 BD
Rev D
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