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LTC2617CDE-1

Description
DAC 2-CH 14-bit 12-Pin DFN EP
File Size238KB,20 Pages
ManufacturerADI
Websitehttps://www.analog.com
Download Datasheet Download user manual View All

LTC2617CDE-1 Overview

DAC 2-CH 14-bit 12-Pin DFN EP

LTC2607/LTC2617/LTC2627
16-/14-/12-Bit Dual Rail-to-Rail
DACs with I
2
C Interface
DESCRIPTIO
The LTC
®
2607/LTC2617/LTC2627 are dual 16-, 14- and
12-bit, 2.7V to 5.5V rail-to-rail voltage output DACs in a
12-lead DFN package. They have built-in high perfor-
mance output buffers and are guaranteed monotonic.
These parts establish new board-density benchmarks for
16- and 14-bit DACs and advance performance standards
for output drive and load regulation in single-supply,
voltage-output DACs.
The parts use a 2-wire, I
2
C compatible serial interface. The
LTC2607/LTC2617/LTC2627 operate in both the standard
mode (clock rate of 100kHz) and the fast mode (clock rate
of 400kHz). An asynchronous DAC update pin (LDAC) is
also included.
The LTC2607/LTC2617/LTC2627 incorporate a power-on
reset circuit. During power-up, the voltage outputs rise less
than 10mV above zero scale; and after power-up, they stay
at zero scale until a valid write and update take place. The
power-on reset circuit resets the LTC2607-1/LTC2617-1/
LTC2627-1 to midscale. The voltage outputs stay at
midscale until a valid write and update takes place.
, LTC and LT are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners. Protected by U.S. Patents
including 5396245 and 6891433. Patent Pending
FEATURES
Smallest Pin-Compatible Dual DACs:
LTC2607: 16 Bits
LTC2617: 14 Bits
LTC2627: 12 Bits
Guaranteed Monotonic Over Temperature
27 Selectable Addresses
400kHz I
2
C
TM
Interface
Wide 2.7V to 5.5V Supply Range
Low Power Operation: 260µA per DAC at 3V
Power Down to 1µA, Max
High Rail-to-Rail Output Drive (±15mA, Min)
Ultralow Crosstalk (30µV)
Double-Buffered Data Latches
Asynchronous DAC Update Pin
LTC2607/LTC2617/LTC2627: Power-On Reset to
Zero Scale
LTC2607-1/LTC2617-1/LTC2627-1: Power-On Reset
to Midscale
Tiny (3mm
×
4mm) 12-Lead DFN Package
APPLICATIO S
Mobile Communications
Process Control and Industrial Automation
Instrumentation
Automatic Test Equipment
BLOCK DIAGRA
REFLO
GND
REF
V
CC
11
10
9
8
V
OUTA
12
12-/14-/16-BIT DAC
12-/14-/16-BIT DAC
7
V
OUTB
DAC REGISTER
DAC REGISTER
DNL (LSB)
INPUT REGISTER
INPUT REGISTER
32-BIT SHIFT REGISTER
2-WIRE INTERFACE
1
CA0
2
CA1
3
LDAC
4
SCL
5
SDA
6
CA2
2607 BD
U
W
U
Differential Nonlinearity
(LTC2607)
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0
16384
32768
CODE
49152
65535
2607 G02
V
CC
= 5V
V
REF
= 4.096V
26071727f
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