ADC14061CCVT datasheet(6/20 Pages) NSC

6 / 20 page

Absolute Maximum Ratings (Note 1)

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

Supply Voltage (V

A,VD,VD I/O)

6.5V

Voltage on Any I/O Pin

−0.3V to V

+ +0.3V

Input Current at Any Pin (Note 3)

±25mA

Package Input Current (Note 3)

±50mA

Power Dissipation at T

A = 25˚C

(Note 4)

ESD Susceptibility (Note 5)

Human Body Model

1500V

Machine Model

200V

Soldering Temp., Infrared, 10 sec. (Note 6)

300˚C

Storage Temperature

−65˚C to +150˚C

Operating Ratings(Notes 1, 2)

Operating Temperature

Range

0˚C

≤ T

A ≤ +70˚C

A, VD

+4.75V to +5.25V

D I/O

2.7V to V

REF − IN

1.0V to 3.0V

REF− IN

AGND to 0.1V

Digital Inputs

−0.05V to V

D + 0.05V

A −VD|

≤ 100 mV

|AGND - DGND |

0V to 100 mV

Converter Electrical Characteristics

The following specifications apply for AGND = DGND = DGND I/O = 0V, V

+ = V

A = VD = +5.0V, VD I/O = 3.0V or 5.0V,

PD = +5V, V

REF+ IN = +2.0V, VREF− IN = AGND, fCLK = 2.5 MHz, CL = 50 pF/pin. After Auto-Cal @ Temperature. 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

Static Converter Characteristics

Resolution with No

Missing Codes

Bits(min)

INL

Integral Non Linearity

±0.75

±2.5

LSB(max)

DNL

Differential Non Linearity

±0.3

±1.0

LSB(max)

Full-Scale Error

±0.4

±2.8

% FS(max)

Zero Offset Error

+0.1

±0.6

% FS(max)

Reference and Analog Input Characteristics

Input Voltage Range

IN+ −VIN− )

REF = VREF+ IN −VREF+ IN −

2.0

1.8

2.2

V(min)

V(max)

Input Capacitance

IN = 1.0V + 0.7Vrms

(CLK

LOW)

(CLK

HIGH)

REF

Reference Voltage

Range [( V

REF+ IN)−

REF −IN)] (Note 14)

2.00

1.8

2.2

V(min)

V(max)

Reference Input

Resistance

3.5

Ω

Dynamic Converter Characteristics

Full Power Bandwidth

MHz

SNR

Signal-to-Noise Ratio

IN = 500 kHz, VIN = 1.9VP-P

SINAD

Signal-to-Noise &

Distortion

IN = 500 kHz, VIN = 1.9VP-P

ENOB

Effective Number of Bits

IN = 500 kHz, VIN = 1.9VP-P

12.8

Bits

THD

Total Harmonic

Distortion

IN = 500 kHz, VIN = 1.9VP-P

−88

SFDR

Spurious Free Dynamic

Range

IN = 500 kHz, VIN = 1.9VP-P

IMD

Intermodulation

Distortion

IN1 = 95 kHz

IN2 = 105 kHz

−97

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