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LTC2615IGNTRPBF

Description
Octal 16-/14-/12-Bit Rail-to Rail DACs in 16-Lead SSOP
File Size268KB,18 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
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LTC2615IGNTRPBF Overview

Octal 16-/14-/12-Bit Rail-to Rail DACs in 16-Lead SSOP

LTC2605/LTC2615/LTC2625
Octal 16-/14-/12-Bit
Rail-to Rail DACs in 16-Lead SSOP
FEATURES
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DESCRIPTION
The LTC
®
2605/LTC2615/LTC2625 are octal 16-, 14- and
12-bit, 2.7V to 5.5V rail-to-rail voltage-output DACs
in 16-lead narrow SSOP packages. They have built-in
high performance output buffers and are guaranteed
monotonic.
These parts establish new board-density benchmarks
for 16-/14-bit DACs and advance performance standards
for output drive, crosstalk and load regulation in single
supply, voltage-output multiples.
The parts use the 2-wire I
2
C compatible serial interface. The
LTC2605/LTC2615/LTC2625 operate in both the standard
mode (maximum clock rate of 100kHz) and the fast mode
(maximum clock rate of 400kHz).
The LTC2605/LTC2615/LTC2625 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 LTC2605-1/\LTC2615-1/
LTC2625-1 to mid-scale. The voltage output stays at mid-
scale until a valid write and update takes place.
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.
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Smallest Pin-Compatible Octal DACs:
LTC2605: 16 Bits
LTC2615: 14 Bits
LTC2625: 12 Bits
Guaranteed Monotonic Over Temperature
400kHz I
2
C Interface
Wide 2.7V to 5.5V Supply Range
Low Power Operation: 250μA per DAC at 3V
Individual Channel Power-Down to 1μA (Max)
Ultralow Crosstalk Between DACs (<10μV)
High Rail-to-Rail Output Drive (±15mA, Min)
Double-Buffered Digital Inputs
27 Selectable Addresses
LTC2605/LTC2615/LTC2625: Power-On Reset to
Zero-Scale
LTC2605-1/LTC2615-1/LTC2625-1: Power-On Reset
to Mid-Scale
Tiny 16-Lead Narrow SSOP Package
APPLICATIONS
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Mobile Communications
Process Control and Industrial Automation
Instrumentation
Automatic Test Equipment
TYPICAL APPLICATION
GND
1
REGISTER
REGISTER
REGISTER
REGISTER
16 V
CC
V
OUT A
2
DAC A
DAC H
15 V
OUT H
Differential Nonlinearity (LTC2605)
1.0
0.8
0.6
0.4
V
CC
= 5V
V
REF
= 4.096V
REGISTER
REGISTER
REGISTER
V
OUT B
3
DAC B
REGISTER
DAC G
14 V
OUT G
REGISTER
REGISTER
REGISTER
REGISTER
V
OUT C
4
DAC C
DAC F
13 V
OUT F
DNL (LSB)
0.2
0
–0.2
–0.4
–0.6
REGISTER
REGISTER
REGISTER
V
OUT D
5
DAC D
REGISTER
DAC E
12 V
OUT E
REF
6
32-BIT SHIFT REGISTER
11
CA0
–0.8
–1.0
0
16384
32768
CODE
49152
65535
2605 G02
CA2
7
10
CA1
SCL
2-WIRE INTERFACE
8
9
2605/15/25 BD
SDA
2605fa
1
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