ADC12D040EVAL datasheet(6/22 Pages) NSC

6 / 22 page

Absolute Maximum Ratings (Notes 1,

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

A,VD,VDR

6.5V

D + 0.3V

A–VD|

≤ 100 mV

Voltage on Any Input or Output Pin

−0.3V to V

A or VD

+0.3V

Input Current at Any Pin (Note 3)

±25 mA

Package Input Current (Note 3)

±50 mA

Package Dissipation at T

A = 25˚C

See (Note 4)

ESD Susceptibility

Human Body Model (Note 5)

2500V

Machine Model (Note 5)

250V

Soldering Temperature,

Infrared, 10 sec. (Note 6)

235˚C

Storage Temperature

−65˚C to +150˚C

Operating Ratings (Notes 1, 2)

Operating Temperature

−40˚C

≤ T

≤ +85˚C

Supply Voltage (V

A,VD)

+4.75V to +5.25V

Output Driver Supply (V

DR)

+2.35V to V

REF Input

1.0V to 2.2V

CLK, PD, OE

−0.05V to V

D + 0.05V

Analog Input Pins

−0V to (V

A − 0.5V)

|AGND–DGND|

≤100mV

Converter Electrical Characteristics

Unless otherwise specified, the following specifications apply for AGND = DGND = DR GND = 0V, V

A =VD = +5V, VDR =

+3.0V, PD = 0V, INT/EXT = V

D,VREF = +2.0V, OEA, OEB = 0V, fCLK = 40 MHz, tr =tf = 3 ns, CL = 20 pF/pin. Boldface lim-

its 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 10)

Units

(Limits)

STATIC CONVERTER CHARACTERISTICS

Resolution with No Missing Codes

Bits(min)

INL

Integral Non Linearity (Note 11)

±0.7

±2.0

LSB(max)

DNL

Differential Non Linearity

±0.4

±1.0

LSB(max)

Gain Error

Positive Error

0.51

+2.8/−1.9

%FS

Negative Error

0.68

+4/−2.7

%FS

Offset Error (V

IN+=VIN−)

−0.1

±1.2

%FS(max)

Under Range Output Code

Over Range Output Code

4095

DYNAMIC CONVERTER CHARACTERISTICS

FPBW

Full Power Bandwidth

0 dBFS Input, Output at −3 dB

100

MHz

SNR

Signal-to-Noise Ratio

IN = 1 MHz, VIN = −0.5 dBFS

IN = 10 MHz, VIN = −0.5 dBFS

66.5

dB(min)

SINAD

Signal-to-Noise and Distortion

IN = 1 MHz, VIN = −0.5 dBFS

IN = 10 MHz, VIN = −0.5 dBFS

65.6

dB(min)

ENOB

Effective Number of Bits

IN = 1 MHz, VIN = −0.5 dBFS

11.1

Bits

IN = 10 MHz, VIN = −0.5 dBFS

10.9

10.6

Bits(min)

THD

Total Hamonic Distortion

IN = 1 MHz, VIN = −0.5 dBFS

−80

IN = 10 MHz, VIN = −0.5 dBFS

−78

−69

dB(max)

Second Harmonic

IN = 1 MHz, VIN = −0.5 dBFS

−84

IN = 10 MHz, VIN = −0.5 dBFS

−80

−73

dB(max)

Third Harmonic

IN = 1 MHz, VIN = −0.5 dBFS

−84

IN = 10 MHz, VIN = −0.5 dBFS

−82

−69.5

dB(max)

SFDR

Spurious Free Dynamic Range

IN = 1 MHz, VIN = −0.5 dBFS

IN = 10 MHz, VIN = −0.5 dBFS

69.5

dB(min)

IMD

Intermodulation Distortion

IN = 9.6 MHz and 10.2 MHz,

each = −6.0 dBFS

−80

dBFS

INTER-CHANNEL CHARACTERISTICS

Channel — Channel Offset Match

±0.02

%FS

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