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LTC1657IGN#TRPBF

Description
IC DAC 16BIT R-R MICROPWR 28SSOP
CategoryAnalog mixed-signal IC    converter   
File Size275KB,18 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Environmental Compliance
Download Datasheet Parametric View All

LTC1657IGN#TRPBF Overview

IC DAC 16BIT R-R MICROPWR 28SSOP

LTC1657IGN#TRPBF Parametric

Parameter NameAttribute value
Brand NameLinear Technology
Is it Rohs certified?conform to
Parts packaging codeSSOP
package instructionSSOP, SSOP28,.25
Contacts28
Manufacturer packaging codeGN
Reach Compliance Codecompliant
ECCN codeEAR99
Maximum analog output voltage4.096 V
Minimum analog output voltage
Converter typeD/A CONVERTER
Enter bit codeBINARY
Input formatPARALLEL, WORD
JESD-30 codeR-PDSO-G28
JESD-609 codee3
length9.9 mm
Maximum linear error (EL)0.0183%
Humidity sensitivity level1
Number of digits16
Number of functions1
Number of terminals28
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeSSOP
Encapsulate equivalent codeSSOP28,.25
Package shapeRECTANGULAR
Package formSMALL OUTLINE, SHRINK PITCH
Peak Reflow Temperature (Celsius)250
power supply5 V
Certification statusNot Qualified
Maximum seat height1.75 mm
Maximum stabilization time20 µs
Nominal settling time (tstl)20 µs
Maximum slew rate1.2 mA
Nominal supply voltage5 V
surface mountYES
technologyCMOS
Temperature levelINDUSTRIAL
Terminal surfaceMatte Tin (Sn)
Terminal formGULL WING
Terminal pitch0.635 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width3.9116 mm
Base Number Matches1
LTC1657/LTC1657L
Parallel 16-Bit Rail-to-Rail
Micropower DAC
FEATURES
n
n
n
n
n
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DESCRIPTION
The
LTC
®
1657/LTC1657L
are complete single supply, rail-
to-rail voltage output, 16-bit digital-to-analog converters
(DAC) in a 28-pin SSOP package. They include a rail-to-rail
output buffer amplifier, an internal reference and a double
buffered parallel digital interface.
The LTC1657/LTC1657L have separate reference input pins
that can be driven by an external reference. The full-scale
output can be 1 or 2 times the reference voltage depending
on how the X1/X2 pin is connected. The LTC1657 operates
from a 4.5V to 5.5V supply and has an onboard 2.048V
reference. The LTC1657L operates from a 2.7V to 5.5V
supply and has an onboard 1.25V reference.
The LTC1657/LTC1657L are similar to Linear Technology
Corporation’s LTC1450/LTC1450L 12-bit V
OUT
DAC family,
allowing an upgrade path. They are the only buffered 16-bit
parallel DACs in a 28-lead SSOP package and include an
onboard reference for stand alone performance.
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.
n
n
n
n
n
n
16-Bit Monotonic Over Temperature
Deglitched Rail-to-Rail Voltage Output: 8nV•s
I
CC
: 650µA Typ
Maximum DNL Error: ±1LSB
Settling Time: 20µs to ±1LSB
Built-In Reference: 2.048V (LTC1657)
1.25V (LTC1657L)
Internal Power-On Reset to Zero Volts
Asynchronous
CLR
Pin
Output Buffer Configurable for Gain of 1 or 2
Parallel 16-Bit or 2-Byte Double Buffered Interface
Multiplying Capability
Narrow 28-Lead SSOP Package
APPLICATIONS
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n
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Instrumentation
Digital Calibration
Industrial Process Control
Automatic Test Equipment
Communication Test Equipment
BLOCK DIAGRAM
23
19 D15 (MSB)
18
17
16
15
14
13
DATA IN FROM
MICROPROCESSOR
DATA BUS
12
D8
11 D7
10
9
8
7
6
5
4 D0 (LSB)
3
CSMSB
FROM
MICROPROCESSOR
DECODE LOGIC
1
WR
2
CSLSB
28
LDAC
FROM
SYSTEM RESET
27
CLR
POWER-ON
RESET
GND
20
REFLO
21
LSB
8-BIT
INPUT
REGISTER
16-BIT
DAC
REGISTER
16-BIT
DAC
MSB
8-BIT
INPUT
REGISTER
REFOUT
REFERENCE
LTC1657: 2.048V
LTC1657L: 1.25V
22
REFHI
LTC1657: 4.5V TO 5.5V
LTC1657L: 2.7V TO 5.5V
24
V
CC
Differential Nonlinearity
vs Input Code
1.0
DIFFERENTIAL NONLINEARITY (LSB)
0.8
0.6
0.4
0.2
0
+
R
R
V
OUT
25
LTC1657:
0V TO 4.096V
LTC1657L:
0V TO 2.5V
–0.2
–0.4
–0.6
–0.8
–1.0
0
16384
32768
49152
DIGITAL INPUT CODE
65535
1657 TA02
X1/X2
26
1657 TA01
1657lfa
For more information
www.linear.com/LTC1657
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