LTC2420CS8 datasheet(2/12 Pages) LINER

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LTC2420

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Resolution (No Missing Codes)

0.1V

≤ VREF ≤ VCC, (Note 5)

Bits

Integral Nonlinearity

VREF = 2.5V (Note 6)

ppm of VREF

VREF = 5V (Note 6)

ppm of VREF

Integral Nonlinearity (Fast Mode)

VREF = 5V, VREF = 2.5V, 100 Samples/Second, fO = 2.048MHz

250

ppm of VREF

Offset Error

2.5V

≤ VREF ≤ VCC

0.5

ppm of VREF

Offset Error (Fast Mode)

2.5V < VREF < 5V, 100 Samples/Second, fO = 2.048MHz

ppm of VREF

Offset Error Drift

2.5V

≤ VREF ≤ VCC

0.04

ppm of VREF/°C

Full-Scale Error

2.5V

≤ VREF ≤ VCC

ppm of VREF

Full-Scale Error (Fast Mode)

2.5V < VREF < 5V, 100 Samples/Second, fO = 2.048MHz

ppm of VREF

Full-Scale Error Drift

2.5V

≤ VREF ≤ VCC

0.04

ppm of VREF/°C

Total Unadjusted Error

VREF = 2.5V

ppm of VREF

VREF = 5V

ppm of VREF

Output Noise

VIN = 0V (Note 13)

µVRMS

Output Noise (Fast Mode)

VREF = 5V, 100 Samples/Second, fO = 2.048MHz

µVRMS

Normal Mode Rejection 60Hz

±2%

(Note 7)

110

130

Normal Mode Rejection 50Hz

±2%

(Note 8)

110

130

Power Supply Rejection, DC

VREF = 2.5V, VIN = 0V

100

Power Supply Rejection, 60Hz

±2% VREF = 2.5V, VIN = 0V, (Note 7)

110

Power Supply Rejection, 50Hz

±2% VREF = 2.5V, VIN = 0V, (Note 8)

110

ORDER PART NUMBER

Consult factory for Military grade parts.

S8 PART MARKING

(Notes 1, 2)

Supply Voltage (VCC) to GND.......................–0.3V to 7V

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

Reference Input 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

LTC2420C ............................................... 0

°C to 70°C

LTC2420I ............................................ – 40

°C to 85°C

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

°C to 150°C

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

°C

TJMAX = 125°C, θJA = 130°C/W

LTC2420CS8

LTC2420IS8

2420

2420I

The q denotes specifications which apply over the full operating

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

ABSOLUTE MAXIMUM RATINGS

PACKAGE/ORDER INFORMATION

CONVERTER CHARACTERISTICS

TOP VIEW

SCK

SDO

VCC

VREF

VIN

GND

S8 PACKAGE

8-LEAD PLASTIC SO

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