ADC12138CIWM datasheet(5/41 Pages) NSC

5 / 41 page

Absolute Maximum Ratings (Notes 1, 2)

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

Positive Supply Voltage

+ =V

A+=VD+)

6.5V

Voltage at Inputs and Outputs

except CH0–CH7 and COM

−0.3V to V

+ +0.3V

Voltage at Analog Inputs

CH0–CH7 and COM

GND −5V to V

+ +5V

A+−VD+|

300 mV

Input Current at Any Pin (Note 3)

±30 mA

Package Input Current (Note 3)

±120 mA

Package Dissipation at

A = 25˚C (Note 4)

500 mW

ESD Susceptability (Note 5)

Human Body Model

1500V

Soldering Information

N Packages (10 seconds)

260˚C

SO Package (Note 6):

Vapor Phase (60 seconds)

215˚C

Infrared (15 seconds)

220˚C

Storage Temperature

−65˚C to +150˚C

Operating Ratings (Notes 1, 2)

Operating Temperature Range

MIN ≤ TA ≤ TMAX

ADC12130CIN, ADC12130CIWM,

ADC12132CIMSA,

ADC12138CIMSA,

ADC12138CIN, ADC12138CIWM

−40˚C

≤ T

A ≤ +85˚C

Supply Voltage (V

+ =V

A+=VD+)

+3.0V to +5.5V

A+−VD+|

≤ 100 mV

REF+

0VtoV

A+

REF−

0VtoV

REF+

REF (VREF+−VREF−)

1V to V

A+

REF Common Mode Voltage Range

0.1 V

A+ to 0.6 VA+

A/DIN1, A/DIN2, MUXOUT1

and MUXOUT2 Voltage Range

0V to V

A+

A/D IN Common Mode Voltage

Range

0V to V

A+

Converter Electrical Characteristics

The following specifications apply for (V

+ =V

A+=VD+ = +5V, VREF+ = +4.096V, and fully differential input with fixed 2.048V

common-mode voltage) or (V

+ =V

A+=VD+ = 3.3V, VREF+ = 2.5V and fully-differential input with fixed 1.250V

common-mode voltage), V

REF− = 0V, 12-bit + sign conversion mode, source impedance for analog inputs, VREF

− and V

REF

≤

Ω,f

CK =fSK = 5 MHz, and 10 (tCK) acquisition time unless otherwise specified. Boldface limits apply for TA =TJ =TMIN

to T

MAX; all other limits TA =TJ = 25˚C. (Notes 7, 8, 9)

Symbol

Parameter

Conditions

Typical

(Note 10)

Limits

Units

(Limits)

(Note 11)

STATIC CONVERTER CHARACTERISTICS

Resolution

12 + sign

Bits (min)

+ILE

Positive Integral Linearity Error

After Auto-Cal (Notes 12, 18)

±1/2

±2

LSB (max)

−ILE

Negative Integral Linearity Error

After Auto-Cal (Notes 12, 18)

±1/2

±2

LSB (max)

DNL

Differential Non-Linearity

After Auto-Cal

±1.5

LSB (max)

Positive Full-Scale Error

After Auto-Cal (Notes 12, 18)

±1/2

±3.0

LSB (max)

Negative Full-Scale Error

After Auto-Cal (Notes 12, 18)

±1/2

±3.0

LSB (max)

Offset Error

After Auto-Cal (Notes 5, 18)

±1/2

±2

LSB (max)

IN(+)=VIN(−) = 2.048V

DC Common Mode Error

After Auto-Cal (Note 15)

±2

LSB (max)

TUE

Total Unadjusted Error

After Auto-Cal

±1

LSB

(Notes 12, 13, 14)

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