LTC2442CG datasheet(2/32 Pages) LINER

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LTC2442

2442f

Supply Voltage (VCC) to GND ....................... –0.3V to 6V

Analog Input Pins Voltage

to GND...................................... –0.3V to (VCC + 0.3V)

Reference Input Pins Voltage

to GND...................................... –0.3V to (VCC + 0.3V)

Digital Input Voltage to GND ......... –0.3V to (VCC + 0.3V)

Digital Output Voltage to GND....... –0.3V to (VCC + 0.3V)

Operating Temperature Range

LTC2442CG .................................................. 0°C to 70°C

LTC2442IG ............................................... –40°C to 85°C

Storage Temperature Range................... –65°C to 150°C

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

Ampliﬁer Supply Voltage (V+ to V–) ..........................36V

(Notes 1, 2)

The ● denotes the speciﬁcations which apply over the full operating

temperature range, otherwise speciﬁcations are at TA = 25°C. (Notes 3, 4, 15)

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Resolution (No Missing Codes)

0.1V ≤ VREF ≤ VCC, –0.5 • VREF ≤ VIN ≤ 0.5 • VREF (Note 5)

●

Bits

Integral Nonlinearity

VCC = 5V, REF

+ = 5V, REF– = GND, VINCM = 2.5V (Note 6, 14)

VCC = 5V, REF

+ = 2.5V, REF– = GND, VINCM = 1.25V (Note 6, 14)

REF+ = 4.096V, REF– = GND, VINCM = 2.048V (Note 6, 14)

●

ppm of VREF

Offset Error

2.5V ≤ REF+ ≤ VCC, REF

– = GND,

GND ≤ SEL+ = SEL– ≤ VCC (Note 12)

●

2.5

µV

Offset Error Drift

2.5V ≤ REF+ ≤ VCC, REF

– = GND,

GND ≤ SEL+ = SEL– ≤ VCC

nV/°C

Positive Full-Scale Error

REF+ = 5V, REF– = GND, SEL+ = 3.75V, SEL– = 1.25V

REF+ = 2.5V, REF– = GND, SEL+ = 1.875V, SEL– = 0.625V

●

ppm of VREF

Positive Full-Scale Error Drift

2.5V ≤ REF+ ≤ VCC, REF

– = GND,

SEL+ = 0.75 • REF+, SEL– = 0.25 • REF+

0.2

ppm of VREF/°C

ELECTRICAL CHARACTERISTICS

ABSOLUTE

AXI U

RATI GS

PACKAGE/ORDER I FOR ATIO

TOP VIEW

G PACKAGE

36-LEAD PLASTIC SSOP

SCK

BUSY

EXT

DGND

AGND

CH0

CH1

CH2

CH3

ADCINB

ADCINA

OUTA

–INA

OUTB

–INB

SDO

SDI

GND

REF–

REF+

COM

MUXOUTA

MUXOUTB

+INA

V–

V+

+INB

TJMAX = 125°C, θJA = 160°C/W

ORDER PART NUMBER

PART MARKING

LTC2442CG

LTC2442IG

LTC2442CG

LTC2442IG

Order Options Tape and Reel: Add #TR

Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF

Lead Free Part Marking: http://www.linear.com/leadfree/

Consult LTC Marketing for parts speciﬁed with wider operating temperature ranges.

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