LTC1662CMS8 datasheet, PDF - EEWORLD Datasheet

LTC1662CMS8: DescriptionDAC 2-CH 10-bit 8-Pin MSOP; File Size213KB，16 Pages; ManufacturerADI; Websitehttps://www.analog.com

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LTC1662CMS8 Overview

DAC 2-CH 10-bit 8-Pin MSOP

LTC1662CMS8 Parametric

Parameter Name	Attribute value
EU restricts the use of certain hazardous substances	Not Compliant
ECCN (US)	EAR99
Part Status	Unconfirmed
SVHC	Yes
SVHC Exceeds Threshold	Yes
Converter Type	General Purpose
Resolution	10bit
Number of DAC Channels	2
Number of Outputs per Chip	2
Maximum Settling Time (us)	750(Typ)
Digital Interface Type	Serial (3-Wire)
Output Type	Voltage
Output Polarity	Unipolar
Voltage Reference	External
Minimum Single Supply Voltage (V)	2.7
Typical Single Supply Voltage (V)	3.3\|5
Maximum Single Supply Voltage (V)	5.5
Power Supply Type	Single
Integral Nonlinearity Error	±4LSB
Full Scale Error	±8LSB
Digital Supply Support	No
Minimum Operating Temperature (°C)	0
Maximum Operating Temperature (°C)	70
Supplier Temperature Grade	Commercial
Pin Count	8
Standard Package Name	MSOP
Supplier Package	MSOP
Mounting	Surface Mount
Package Height	0.86
Package Length	3
Package Width	3
PCB changed	8
Lead Shape	Gull-wing

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LTC1662

Ultralow Power, Dual

10-Bit DAC in MSOP

Features

Description

The LTC

1662 is an ultralow power, fully buffered voltage

output, dual 10-bit digital-to-analog converter (DAC). Each

DAC channel draws just 1.7µA (typ) total supply-plus-

reference operating current, yet is capable of supplying

DC output currents in excess of 1mA and reliably driving

capacitive loads of up to 1000pF A programmable sleep

mode further reduces total operating current to 0.05µA.

Linear Technology’s proprietary, inherently monotonic

architecture provides excellent linearity and an exception-

ally small external form factor. The double-buffered input

logic provides simultaneous update capability and can be

used to write to the DACs without interrupting sleep mode.

With its tiny operating current and exceptionally small

size, the LTC1662 is ideal for use in the most power-

constrained products. For most designs, there is no

perceptible impact on the power budget; the LTC1662

draws many times less current than even a trimpot,

while providing buffered, low impedance (0.5Ω typical,

= 5V) rail-to-rail outputs.

The LTC1662 is pin and software compatible with the

LTC1661 dual, 60µA 10-bit DAC. It is available in 8-pin

MSOP and PDIP packages and is specified over the in-

dustrial temperature range.

Ultralow Power: 1.5µA (Typ) I

per DAC Plus

0.05µA Sleep Mode for Extended Battery Life

Tiny: Two 10-Bit DACs in an 8-Lead MSOP—

Half the Size of an SO-8

Wide 2.7V to 5.5V Supply Range

Double Buffered for Simultaneous DAC Updates

Rail-to-Rail Voltage Outputs Drive 1000pF

Reference Range Includes Supply for Ratiometric

0V to V

Output

Reference Input Impedance Is Code-Independent

(7.1MΩ Typ)—Eliminates External Buffers

3-Wire Serial Interface with Schmitt Trigger Inputs

Differential Nonlinearity: ±0.75LSB Max

applications

Mobile Communications

Portable Battery-Powered Instruments

Remote or Inaccessible Adjustments

Digitally Controlled Amplifiers and Attenuators

Factory or Field Calibration

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.

Block Diagram

OUT A

GND

OUT B

5.0

LATCH

10-BIT

DAC A

LATCH

10-BIT

DAC B

+ I

REF

(µA)

4.5

4.0

3.5

3.0

2.5

2.0

1.5

1.0

SHIFT REGISTER

0.5 V

REF

= V

CODE = 1023

–55 –35 –15 5 25 45 65 85 105 125

TEMPERATURE (°C)

SDI

REF

1662 BD

1662 TA01b

Total Supply-Plus-Reference

Operating Current

5.5V

4.5V

3.6V

= 2.7V

CONTROL

LOGIC

ADDRESS

DECODER

CS/LD

SCK

1662fa

LTC1662CMS8 Related Products

	LTC1662CMS8	LTC1662IMS8	LTC1662IN8
Description	DAC 2-CH 10-bit 8-Pin MSOP	DAC 2-CH 10-bit 8-Pin MSOP	DAC 2-CH 10-bit 8-Pin PDIP N
EU restricts the use of certain hazardous substances	Not Compliant	Not Compliant	Not Compliant
ECCN (US)	EAR99	EAR99	EAR99
Part Status	Unconfirmed	Unconfirmed	Unconfirmed
SVHC	Yes	Yes	Yes
SVHC Exceeds Threshold	Yes	Yes	Yes
Converter Type	General Purpose	General Purpose	General Purpose
Resolution	10bit	10bit	10bit
Number of DAC Channels	2	2	2
Number of Outputs per Chip	2	2	2
Maximum Settling Time (us)	750(Typ)	750(Typ)	750(Typ)
Digital Interface Type	Serial (3-Wire)	Serial (3-Wire)	Serial (3-Wire)
Output Type	Voltage	Voltage	Voltage
Output Polarity	Unipolar	Unipolar	Unipolar
Voltage Reference	External	External	External
Minimum Single Supply Voltage (V)	2.7	2.7	2.7
Typical Single Supply Voltage (V)	3.3\|5	3.3\|5	3.3\|5
Maximum Single Supply Voltage (V)	5.5	5.5	5.5
Power Supply Type	Single	Single	Single
Integral Nonlinearity Error	±4LSB	±4LSB	±4LSB
Full Scale Error	±8LSB	±8LSB	±8LSB
Digital Supply Support	No	No	No
Minimum Operating Temperature (°C)	-	-40	-40
Maximum Operating Temperature (°C)	70	85	85
Supplier Temperature Grade	Commercial	Industrial	Industrial
Pin Count	8	8	8
Standard Package Name	MSOP	MSOP	DIP
Supplier Package	MSOP	MSOP	PDIP N
Mounting	Surface Mount	Surface Mount	Through Hole
Package Height	0.86	0.86	3.3
Package Length	3	3	10.16(Max)
Package Width	3	3	6.48
PCB changed	8	8	8
Lead Shape	Gull-wing	Gull-wing	Through Hole
HTS	-	8542.39.00.01	8542.39.00.01

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