ADC12062EVAL datasheet(2/20 Pages) NSC

2 / 20 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.

Supply Voltage (V

CC = DVCC = AVCC)

−0.3V to +6V

Voltage at Any Input or Output

−0.3V to V

CC + 0.3V

Input Current at Any Pin (Note 3)

25 mA

Package Input Current (Note 3)

50 mA

Power Dissipation (Note 4)

ADC12762CCV

875 mW

ESD Susceptibility (Note 5)

2000V

Soldering Information (Note 6)

V Package, Infrared, 15 seconds

+300˚C

Storage Temperature Range

−65˚C to +150˚C

Maximum Junction Temperature (T

JMAX)

150˚C

Operating Ratings (Notes 1, 2)

Temperature Range

MIN ≤ TA ≤ TMAX

ADC12762CCV

−0˚C

≤ T

A ≤ +70˚C

Supply Voltage Range (DV

CC = AVCC)

4.75V to 5.25V

Converter Characteristics

The following specifications apply for DV

CC = AVCC = +5V, VREF+(SENSE) = +4.096V, VREF−(SENSE) = AGND, and fs =

1.4 MHz, unless otherwise specified. Boldface limits apply for T

A = TJ from TMIN to TMAX; all other limits TA = TJ = +25˚C.

Symbol

Parameter

Conditions

Typ

Limit

Units

(Note 7)

(Note 8)

(Limit)

Resolution

Bits

Differential Linearity Error

MIN to TMAX

±0.4

±0.95

LSB (max)

Integral Linearity Error

MIN to TMAX

±0.4

±2.0

LSB (max)

(Note 9)

Offset Error

MIN to TMAX

±0.3

±4.0

LSB (max)

Full-Scale Error

MIN to TMAX

±0.3

±4.0

LSB (max)

Power Supply Sensitivity

CC = AVCC = 5V ±5%

±0.75

LSB (max)

(Note 15)

REF

Reference Resistance

940

500

Ω (min)

1300

Ω (max)

REF(+)

REF+(SENSE) Input Voltage

V (max)

REF(−)

REF−(SENSE) Input Voltage

AGND

V (min)

Input Voltage Range

To V

IN1,VIN2, or ADC IN

CC+0.05V

V (max)

AGND − 0.05V

V (min)

ADC IN Input Leakage

AGND to AV

CC − 0.3V

0.1

µA (max)

ADC

ADC IN Input Capacitance

MUX On-Channel Leakage

AGND to AV

CC − 0.3V

0.1

µA (max)

MUX Off-Channel Leakage

AGND to AV

CC − 0.3V

0.1

µA (max)

MUX

Multiplexer Input Cap

MUX Off Isolation

IN = 100 kHz

Dynamic Characteristics (Note 10)

The following specifications apply for DV

CC = AVCC = +5V, VREF+(SENSE) = +4.096V, VREF−(SENSE) = AGND, RS = 25Ω,fIN =

100 kHz, 0 dB from fullscale, and f

s = 1.4 MHz, unless otherwise specified. Boldface limits apply for TA = TJ from TMIN to

MAX; all other limits TA = TJ = +25˚C.

Symbol

Parameter

Conditions

Typ

Limit

Units

(Note 7)

(Note 8)

(Limit)

SINAD

Signal-to-Noise Plus

MIN to TMAX

67.0

dB (min)

Distortion Ratio

SNR

Signal-to-Noise Ratio

MIN to TMAX

67.5

dB (min)

(Note 11)

THD

Total Harmonic Distortion

MIN to TMAX

−80

−70

dBc (max)

(Note 12)

ENOB

Effective Number of Bits

MIN to tMAX

11.3

10.8

Bits (min)

(Note 13)

IMD

Intermodulation Distortion

IN = 88.7 kHz, 89.5 kHz

−80

dBc

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