LTC1446 datasheet(2/12 Pages) LINER

Part #	LTC1446

Description	Dual 12-Bit Rail-to-Rail Micropower DACs in SO-8

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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2

LTC1446/LTC1446L

A

G

A

U

A

R

BSOLUTEXI

TI

S

VCC to GND ................................................ –0.5 to 7.5V

Logic Inputs to GND ................................... –0.5 to 7.5V

Operating Temperature Range

LTC1446C/LTC1446LC ............................ 0

°C to 70°C

LTC1446I/LTC1446LI .......................... –40

°C to 85°C

VOUT A/VOUT B ................................. –0.5V to VCC + 0.5V

Maximum Junction Temperature .......................... 125

°C

Storage Temperature Range ..................–65

°C to 150°C

Lead Temperature (Soldering, 10 sec)................. 300

°C

PACKAGE/ORDER INFORMATION

ORDER PART

NUMBER

LTC1446CS8

LTC1446IS8

LTC1446LCS8

LTC1446LIS8

S8 PART MARKING

1446

1446L

1446I

1446LI

ORDER PART

NUMBER

LTC1446CN8

LTC1446IN8

LTC1446LCN8

LTC1446LIN8

TJMAX = 125°C, θJA = 100°C/W

TJMAX = 125°C, θJA = 150°C/W

1

2

3

4

8

7

6

5

TOP VIEW

VOUT B

VCC

GND

VOUT A

CLK

DIN

CS/LD

DOUT

N8 PACKAGE

8-LEAD PDIP

Consult factory for Military grade parts.

ELECTRICAL CHARACTERISTICS

1

2

3

4

8

7

6

5

TOP VIEW

VOUT B

VCC

GND

VOUT A

CLK

DIN

CS/LD

DOUT

S8 PACKAGE

8-LEAD PLASTIC SO

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

DAC

Resolution

q

12

Bits

DNL

Differential Nonlinearity

Guaranteed Monotonic (Note 2)

q

±0.2

±0.5

LSB

INL

Integral Nonlinearity

TA = 25°C

±2.0

4.5

LSB

q

±2.5

5.0

LSB

ZSE

Zero-Scale Error

q

03

18

mV

VOS

Offset Error

q

±2

±18

mV

VOS TC

Offset Error Tempco

±15

µV/°C

VFS

Full-Scale Voltage

LTC1446, TA = 25°C

4.065

4.095

4.125

V

LTC1446

q

4.045

4.095

4.145

V

LTC1446L, TA = 25°C

2.470

2.500

2.530

V

LTC1446L

q

2.460

2.500

2.540

V

VFS TC

Full-Scale Voltage Tempco

±0.1

LSB/

°C

Power Supply (LTC1446)

VCC

Positive Supply Voltage

For Specified Performance

q

4.5

5.5

V

ICC

Supply Current

4.5V

≤ VCC ≤ 5.5V (Note 5)

q

1000

1500

µA

Power Supply (LTC1446L)

VCC

Positive Supply Voltage

For Specified Performance

q

2.7

5.5

V

ICC

Supply Current

2.7V

≤ VCC ≤ 5.5V (Note 5)

q

650

1000

µA

The q denotes the specifications which apply over the full operating

temperature range. VCC = 4.5V to 5.5V (LTC1446), 2.7V to 5.5V (LTC1446L), VOUT A and VOUT B unloaded, TA = TMIN to TMAX, unless

otherwise noted.

(Note 1)

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