LTC1454CS datasheet(2/12 Pages) LINER

2 / 12 page

LTC1454/LTC1454L

ABSOLUTE MAXIMUM RATINGS

PACKAGE/ORDER I FOR ATIO

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

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

VOUT A, VOUT B, X1/X2 A ,

X1/X2 B ..................................... – 0.5V to VCC + 0.5V

REFHI A , REFHI B, REFLO ............. – 0.5V to VCC + 0.5V

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

°C

Operating Temperature Range

LTC1454C/LTC1454LC ............................ 0

°C to 70°C

LTC1454I/LTC1454LI ........................ – 40

°C to 85°C

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

°C to 150°C

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

°C

LTC1454CN

LTC1454IN

LTC1454CS

LTC1454IS

LTC1454LCN

LTC1454LIN

LTC1454LCS

LTC1454LIS

ORDER PART

NUMBER

TJMAX = 125°C, θJA = 100°C/W (N)

TJMAX = 125°C, θJA = 150°C/W (S)

Consult factory for Military grade parts.

ELECTRICAL CHARACTERISTICS

VCC = 4.5V to 5.5V (LTC1454), 2.7V to 5.5V (LTC1454L), X1/X2 = REFLO = GND, REFHI = REFOUT, VOUT and REFOUT unloaded,

TA = TMIN to TMAX, unless otherwise noted.

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

DAC

Resolution

Bits

DNL

Differential Nonlinearity

Guaranteed Monotonic (Note 1)

± 0.5

LSB

INL

Integral Nonlinearity

TA = 25°C

±2.0

±4.0

LSB

(Note 1)

±2.5

±4.5

LSB

VOS

Offset Error

TA = 25°C

±2.0

±12

±4.0

±18

VOSTC

Offset Error Temperature

±15

µV/°C

Coefficient

VFS

Full-Scale Voltage

When Using Internal Reference, LTC1454, TA = 25°C

4.065

4.095

4.125

LTC1454

4.045

4.095

4.145

When Using Internal Reference, LTC1454L, TA = 25°C

2.470

2.500

2.530

LTC1454L

2.460

2.500

2.540

VFSTC

Full-Scale Voltage

When Using Internal Reference

± 24

ppm/

°C

Temperature Coefficient

Reference

Reference Output Voltage

LTC1454

2.008

2.048

2.088

LTC1454L

1.195

1.220

1.245

Reference Output

±20

ppm/

°C

Temperature Coefficient

Reference Line Regulation

0.7

±2.0

LSB/V

Reference Load Regulation

≤ IOUT ≤ 100µA, LTC1454

0.2

1.5

LSB

LTC1454L

0.6

3.0

LSB

Reference Input Range

VREFHI ≤ VCC – 1.5V

VCC/2

Reference Input Resistance

Ω

Reference Input Capacitance

Short-Circuit Current

REFOUT Shorted to GND

120

TOP VIEW

S PACKAGE

16-LEAD PLASTIC SO

N PACKAGE

16-LEAD PDIP

X1/X2 B

CLR

CLK

DIN

CS/LD

DOUT

X1/X2 A

VOUT A

VOUT B

VCC

REFHI B

GND

REFLO

REFHI A

REFOUT

VCC

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