ADC081000LEVAL datasheet(6/29 Pages) NSC

6 / 29 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

A,VDR)

2.2V

Voltage on Any Input Pin

−0.15V to

A +0.15V)

Ground Difference

|GND - DR GND|

0V to 100 mV

Input Current at Any Pin (Note 3)

±25 mA

Package Input Current (Note 3)

±50 mA

Power Dissipation at T

A = 25˚C

2.0 W

ESD Susceptibility (Note 4)

Human Body Model

Machine Model

2500V

250V

Soldering Temperature, Infrared,

10 seconds (Note 5)

235˚C

Storage Temperature

−65˚C to +150˚C

Operating Ratings (Notes 1, 2)

Ambient Temperature Range

−40˚C

≤ T

≤ +85˚C

Supply Voltage (V

+1.8V to +2.0V

Driver Supply Voltage (V

DR)

+1.8V to V

Analog Input Common Mode

Voltage

1.2V to 1.3V

IN Differential Voltage Range

−V

FS/2 to +VFS/2

Ground Difference

(|GND - DR GND|)

CLK Pins Voltage Range

0V to V

Differential CLK Amplitude

0.6V

P-P to 2.0VP-P

Package Thermal Resistances

Package

J-C

(Top of

Package)

J-PAD

(Thermal

Pad)

128-Lead Exposed Pad

LQFP

10˚C / W

2.8˚C / W

Converter Electrical Characteristics

The following specifications apply after calibration for V

A =VDR = +1.9VDC, OutV = 1.9V, VIN FSR (a.c. coupled) = differential

800mV

P-P,CL = 10 pF, Differential, a.c. coupled Sinewave Clock, fCLK = 1 GHz at 0.5VP-P with 50% duty cycle, REXT = 3300

Ω

± 0.1%, Analog Signal Source Impedance = 100

Ω. Boldface limits apply for T

A =TMIN to TMAX. All other limits TA = 25˚C,

unless otherwise stated. (Notes 6, 7)

Symbol

Parameter

Conditions

Typical

(Note 8)

Limits

(Note 8)

Units

(Limits)

STATIC CONVERTER CHARACTERISTICS

INL

Integral Non-Linearity

±0.35

±0.9

LSB (max)

DNL

Differential Non-Linearity

±0.25

±0.7

LSB (max)

Resolution with No Missing Codes

Bits

OFF

Offset Error

−0.45

−1.5

0.5

LSB (min)

LSB (max)

TC V

OFF

Offset Error Tempco

−40˚C to +85˚C

−3

ppm/˚C

PFSE

Positive Full-Scale Error (Note 9)

−2.2

±25

mV (max)

NFSE

Negative Full-Scale Error (Note 9)

−1.1

±25

mV (max)

TC PFSE

Positive Full Scale Error Tempco

−40˚C to +85˚C

ppm/˚C

TC NFSE

Negative Full Scale Error Tempco

−40˚C to +85˚C

ppm/˚C

Dynamic Converter Characteristics

FPBW

Full Power Bandwidth

1.7

GHz

Gain Flatness

d.c. to 500 MHz

±0.5

dBFS

d.c. to 1 GHz

±1.0

dBFS

ENOB

Effective Number of Bits

IN = 100 MHz, VIN = FSR − 0.5 dB

7.5

Bits

IN = 248 MHz, VIN = FSR − 0.5 dB

7.5

7.1

Bits (min)

IN = 498 MHz, VIN = FSR − 0.5 dB

7.5

7.1

Bits (min)

SINAD

Signal-to-Noise Plus Distortion

Ratio

IN = 100 MHz, VIN = FSR − 0.5 dB

IN = 248 MHz, VIN = FSR − 0.5 dB

44.8

dB (min)

IN = 498 MHz, VIN = FSR − 0.5 dB

44.8

dB (min)

SNR

Signal-to-Noise Ratio

IN = 100 MHz, VIN = FSR − 0.5 dB

IN = 248 MHz, VIN = FSR − 0.5 dB

45.5

dB (min)

IN = 498 MHz, VIN = FSR − 0.5 dB

45.5

dB (min)

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