LTC1658CS8#TRPBF Linear Technology, LTC1658CS8#TRPBF Datasheet

IC D/A CONV 14BIT R-R 8-SOIC

LTC1658CS8#TRPBF

Manufacturer Part Number
LTC1658CS8#TRPBF
Description
IC D/A CONV 14BIT R-R 8-SOIC
Manufacturer
Linear Technology
Datasheet

Specifications of LTC1658CS8#TRPBF

Settling Time
12µs
Number Of Bits
14
Data Interface
Serial
Number Of Converters
1
Voltage Supply Source
Single Supply
Power Dissipation (max)
3mW
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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APPLICATIONS
FEATURES
TYPICAL
OTHER
DACS
TO
P
14-Bit Resolution
8-Lead MSOP Package
Buffered True Rail-to-Rail Voltage Output
3V or 5V Single Supply Operation
Very Low Power: I
Power-On Reset
3-Wire Cascadable Serial Interface is Compatible
with SPI and MICROWIRE
Maximum DNL Error: 1LSB
Low Cost
Digital Calibration
Industrial Process Control
Automatic Test Equipment
Cellular Telephones
2
1
3
4
2.7V TO 5.5V
D
CLK
CS/LD
D
IN
OUT
APPLICATION
POWER-ON
Functional Block Diagram: 14-Bit Rail-to-Rail DAC
16-BIT
LATCH
RESET
SHIFT
AND
DAC
REG
U
CC(TYP)
V
CC
14
8
= 270 A
TM
14-BIT
DAC
U
GND
6
REF
5
+
The LTC
put, 14-bit digital-to-analog converter (DAC) in an 8-lead
MSOP package. It includes an output buffer amplifier and
an easy-to-use 3-wire cascadable serial interface.
The LTC1658 output swings from 0V to V
can be tied to V
operates from a single 2.7V to 5.5V supply. The typical
power supply current is 270 A.
The low power supply current makes the LTC1658 ideal
for battery-powered applications. The space saving MSOP
provides the smallest 14-bit DAC system available.
DESCRIPTION
MICROWIRE is a trademark of National Semiconductor Corporation.
Micropower DAC in MSOP
V
OUT
, LTC and LT are registered trademarks of Linear Technology Corporation.
7
1658 TA01
®
RAIL-TO-RAIL
VOLTAGE
OUTPUT
1658 is a single supply, rail-to-rail voltage out-
CC
for rail-to-rail output swing. The LTC1658
U
14-Bit Rail-to-Rail
– 0.2
– 0.4
– 0.6
– 0.8
– 1.0
1.0
0.8
0.6
0.4
0.2
0
0
Differential Nonlinearity
4096
vs Input Code
CODE
8192
REF
LTC1658
. The REF pin
12288
1658 TA02
1
16383

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LTC1658CS8#TRPBF Summary of contents

Page 1

... A. The low power supply current makes the LTC1658 ideal for battery-powered applications. The space saving MSOP provides the smallest 14-bit DAC system available. , LTC and LT are registered trademarks of Linear Technology Corporation. MICROWIRE is a trademark of National Semiconductor Corporation. 6 REF ...

Page 2

LTC1658 ABSOLUTE MAXIMUM V to GND .............................................. – 0.5V to 7.5V CC TTL Input Voltage .................................... – 0.5V to 7.5V V ..........................................................– 0.5V to 7.5V REF V ........................................... – 0. OUT Junction Temperature .......................... – ...

Page 3

ELECTRICAL CHARACTERISTICS V = 2.7V to 5.5V, V unloaded, REF V CC OUT SYMBOL PARAMETER CONDITIONS Output Impedance to GND Input Code = 0 Output Line Regulation Input Code = 16383 Performance Voltage Output Slew Rate Voltage Output ...

Page 4

LTC1658 ELECTRICAL CHARACTERISTICS The denotes specifications which apply over the full operating temperature range. Note 1: Absolute Maximum Ratings are those values beyond which the life a device may be impaired. Note 2: Nonlinearity is defined from code 50 to ...

Page 5

W U TYPICAL PERFOR A CE CHARACTERISTICS Gain Error vs Temperature –1 –2 –3 –4 –5 –55 – TEMPERATURE ( PIN FUNCTIONS CLK (Pin 1): The TTL Level ...

Page 6

LTC1658 DIAGRA t 1 CLK D IN CS/LD B13 D OUT PREVIOUS WORD U U DEFI ITIO S Differential Nonlinearity (DNL): The difference between the measured change and the ideal 1LSB change for any ...

Page 7

U OPERATIO Serial Interface The data on the D input is loaded into the shift register IN on the rising edge of the clock. The MSB is loaded first. The DAC register loads the data from the shift register when ...

Page 8

LTC1658 U U APPLICATIONS INFORMATION Rail-to-Rail Output Considerations In any rail-to-rail DAC, the output swing is limited to voltages within the supply range. If the DAC offset is negative, the output for the lowest codes limits shown ...

Page 9

U TYPICAL APPLICATIO S ® LT 1121-3.3 IN OUT + 1 F FROM OPTO- ISOLATED INPUTS OPTOISOLATORS 500 CLK D IN CS/LD This circuit shows how to use an LTC1658 to make an optoisolated digitally controlled 4mA to 20mA process ...

Page 10

LTC1658 U TYPICAL APPLICATIO 510 510 DIFFERENTIAL 510 510 INPUT LTC1658 1 CLK OUT 3 CS/LD REF 4 D GND OUT ANALOG OUTPUT 10 ...

Page 11

... FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights. ...

Page 12

... CC OUT Low Power, Multiplying V DAC in MS8 Package. OUT Output Swings from GND to REF. REF Input Can Be Tied Ultralow Drift 5ppm/ C, Initial Accuracy: 0.05% Low Drift 10ppm/ C, Initial Accuracy: 0.05% 1658f LT/TP 0299 4K • PRINTED IN USA LINEAR TECHNOLOGY CORPORATION 1998 ...

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