ADC12L034 datasheet(4/35 Pages) NSC

4 / 35 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 Susceptibility (Note 5)

Human Body Model

1500V

Soldering Information

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

≤ T

MAX

−40˚C

≤ T

≤ +85˚C

Supply Voltage

+ =V

A+=VD+)

+3.0V to +5.5V

A+−VD+|

≤ 100 mV

REF+

0VtoV

A+

REF−

0Vto(V

REF+ −1V)

REF (VREF+−VREF−)

1V to V

A+

REF Common Mode Voltage Range

[(V

REF+)−(VREF−)] / 2

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

[(V

IN+)−(VIN−)] / 2

0V to V

A+

Package Thermal Resistance

Part Number

Thermal

Resistance (

JA)

ADC12L030CIWM

70˚C/W

ADC12L032CIWM *

64˚C/W

ADC12L034CIWM *

57˚C/W

ADC12L038CIWM

50˚C/W

* This product is on lifetime buy or obsolete. Shown for

reference only.

Converter Electrical Characteristics

The following specifications apply for V

+ =V

A+=VD+ = +3.3 VDC,VREF+ = +2.500 VDC,VREF−=0VDC, 12-bit + sign conver-

sion mode, f

CK =fSK = 5 MHz, RS =25

Ω, source impedance for V

REF+ and VREF−

≤ 25Ω, fully-differential input with fixed

1.250V common-mode voltage, and 10(t

CK) acquisition time unless otherwise specified. Boldface limits apply for TA =TJ =

MIN 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

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

±2

LSB (max)

Negative Full-Scale Error

After Auto-Cal (Notes 12, 18)

±1/2

±2

LSB (max)

Offset Error

After Auto-Cal (Notes 5, 18)

IN(+)=VIN (−) = 1.250V

±1/2

±2

LSB (max)

DC Common Mode Error

After Auto-Cal (Note 15)

±2

±3.5

LSB (max)

TUE

Total Unadjusted Error

After Auto-Cal (Notes 12, 13, 14)

±1

LSB

Resolution with No Missing Codes

8-bit + sign mode

8 + sign

Bits (min)

INL

Integral Linearity Error

8-bit + sign mode (Note 12)

±1/2

LSB (max)

DNL

Differential Non-Linearity

8-bit + sign mode

±3/4

LSB (max)

Positive Full-Scale Error

8-bit + sign mode (Note 12)

±1/2

LSB (max)

Negative Full-Scale Error

8-bit + sign mode (Note 12)

±1/2

LSB (max)

Offset Error

8-bit + sign mode after Auto-Zero

IN(+)=VIN(−) = + 1.250V (Note 13)

±1/2

LSB (max)

TUE

Total Unadjusted Error

8-bit + sign mode after Auto-Zero

(Notes 12, 13, 14)

±3/4

LSB (max)

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