LM4031AI datasheet(5/41 Pages) NSC

No de pièce	LM4031AI

Description	Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converters with MUX and Sample/Hold

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Fabricant	NSC [National Semiconductor (TI)]

Site Internet	http://www.national.com

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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

+ =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

|V

A+−VD+|

300 mV

Input Current at Any Pin (Note 3)

±30 mA

Package Input Current (Note 3)

±120 mA

Package Dissipation at

T

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

T

MIN

≤ T

A

≤ T

MAX

ADC12030CIWM,

ADC12H030CIWM,

ADC12032CIWM,

ADC12H032CIWM,

ADC12034CIN, ADC12034CIWM,

ADC12H034CIN,

ADC12H034CIWM,

ADC12H034CIMSA,

ADC12038CIWM,

ADC12H038CIWM

−40˚C

≤ T

A

≤ +85˚C

Supply Voltage (V

+ =V

A+=VD+)

+4.5V to +5.5V

|V

A+−VD+|

≤ 100 mV

V

REF+

0VtoV

A+

V

REF−

0VtoV

REF+

V

REF (VREF+−VREF−)

1V to V

A+

V

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+ = +5.0 VDC,VREF+ = +4.096 VDC,VREF−=0 VDC, 12-bit + sign conver-

sion mode, f

CK =fSK = 8 MHz for the ADC12H030, ADC12H032, ADC12H034 and ADC12H038, fCK =fSK = 5 MHz for the

ADC12030, ADC12032, ADC12034 and ADC12038, R

S =25

Ω, source impedance for V

REF+ and VREF−

≤ 25Ω, fully-differential

input with fixed 2.048V common-mode voltage, and 10(t

CK) acquisition time unless otherwise specified. Boldface limits apply

for T

A =TJ =TMIN to TMAX; all other limits TA =TJ = 25˚C. (Notes 7, 8, 9)

Symbol

Parameter

Conditions

Typical

(Note 10)

Limits

(Note 11)

Units

(Limits)

STATIC CONVERTER CHARACTERISTICS

Resolution with No

Missing Codes

12 + sign

Bits (min)

+ILE

Positive Integral Linearity Error

After Auto-Cal (Notes 12, 18)

±1/2

±1

LSB (max)

−ILE

Negative Integral Linearity Error

After Auto-Cal (Notes 12, 18)

±1/2

±1

LSB (max)

DNL

Differential Non-Linearity

After Auto-Cal

±1

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)

V

IN(+)=VIN (−) = 2.048V

DC Common Mode Error

After Auto-Cal (Note 15)

±2

±3.5

LSB (max)

TUE

Total Unadjusted Error

After Auto-Cal

±1

LSB

(Notes 12, 13, 14)

Resolution with No

Missing Codes

8-bit + sign mode

8 + sign

Bits (min)

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