LTC1657CN#PBF datasheet, PDF - EEWORLD Datasheet

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LTC1657CN#PBF: DescriptionIC DAC 16BIT R-R MICROPWR 28DIP; CategoryAnalog mixed-signal IC converter; File Size275KB，18 Pages; ManufacturerLinear ( ADI ); Websitehttp://www.analog.com/cn/index.html; Environmental Compliance

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LTC1657CN#PBF Overview

IC DAC 16BIT R-R MICROPWR 28DIP

LTC1657CN#PBF Parametric

Parameter Name	Attribute value
Brand Name	Linear Technology
Is it Rohs certified?	conform to
Maker	Linear ( ADI )
Parts packaging code	DIP
package instruction	DIP, DIP28,.3
Contacts	28
Manufacturer packaging code	N
Reach Compliance Code	compliant
ECCN code	EAR99
Maximum analog output voltage	4.096 V
Minimum analog output voltage
Converter type	D/A CONVERTER
Enter bit code	BINARY
Input format	PARALLEL, WORD
JESD-30 code	R-PDIP-T28
JESD-609 code	e3
Maximum linear error (EL)	0.0183%
Humidity sensitivity level	1
Number of digits	16
Number of functions	1
Number of terminals	28
Maximum operating temperature	70 °C
Minimum operating temperature
Package body material	PLASTIC/EPOXY
encapsulated code	DIP
Encapsulate equivalent code	DIP28,.3
Package shape	RECTANGULAR
Package form	IN-LINE
Peak Reflow Temperature (Celsius)	260
power supply	5 V
Certification status	Not Qualified
Maximum seat height	3.937 mm
Maximum stabilization time	20 µs
Nominal settling time (tstl)	20 µs
Maximum slew rate	1.2 mA
Nominal supply voltage	5 V
surface mount	NO
technology	CMOS
Temperature level	COMMERCIAL
Terminal surface	Matte Tin (Sn)
Terminal form	THROUGH-HOLE
Terminal pitch	2.54 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	40
width	7.62 mm

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LTC1657/LTC1657L

Parallel 16-Bit Rail-to-Rail

Micropower DAC

FEATURES

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.

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.

16-Bit Monotonic Over Temperature

Deglitched Rail-to-Rail Voltage Output: 8nV•s

: 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

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

Instrumentation

Digital Calibration

Industrial Process Control

Automatic Test Equipment

Communication Test Equipment

BLOCK DIAGRAM

19 D15 (MSB)

DATA IN FROM

MICROPROCESSOR

DATA BUS

11 D7

4 D0 (LSB)

CSMSB

FROM

MICROPROCESSOR

DECODE LOGIC

CSLSB

LDAC

FROM

SYSTEM RESET

CLR

POWER-ON

RESET

GND

REFLO

LSB

8-BIT

INPUT

16-BIT

DAC

16-BIT

DAC

MSB

8-BIT

INPUT

REFOUT

REFERENCE

LTC1657: 2.048V

LTC1657L: 1.25V

REFHI

LTC1657: 4.5V TO 5.5V

LTC1657L: 2.7V TO 5.5V

Differential Nonlinearity

vs Input Code

1.0

DIFFERENTIAL NONLINEARITY (LSB)

0.8

0.6

0.4

0.2

–

OUT

LTC1657:

0V TO 4.096V

LTC1657L:

0V TO 2.5V

–0.2

–0.4

–0.6

–0.8

–1.0

16384

32768

49152

DIGITAL INPUT CODE

65535

1657 TA02

X1/X2

1657 TA01

1657lfa

For more information

www.linear.com/LTC1657

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