ADC08351 datasheet(4/17 Pages) NSC

4 / 17 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.

Supply Voltage (V

A,VD)

4.2V

Voltage on Any Input or Output

−0.3V to 4.2V

Ground Difference

(AGND–DGND)

±100 mV

CLK, OE Voltage Range

−0.5 to (V

A + 0.5V)

Digital Output Voltage (V

OH,VOL)VD to DGND

Input Current at Any Pin (Note 3)

±25 mA

Package Input Current (Note 3)

±50 mA

Package Dissipation at T

A = 25˚C

(Note 4)

ESD Susceptibility (Note 5)

Human Body Model

4000V

Machine Model

200V

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

235˚C

Storage Temperature

−65˚C to +150˚C

Operating Ratings (Notes 1, 2)

Operating Temperature Range

−40˚C T

≤ +85˚C

Supply Voltage (V

A,VD)

+2.7V to +3.6V

Ground Difference

|DGND–AGND|

0V to 100 mV

IN Voltage Range (VP-P)

0.5V to 0.68 V

Converter Electrical Characteristics

The following specifications apply for V

A =VD = +3.0 VDC,VREF = 2.4V, VIN = 1.63 VP-P, OE = 0V, CL = 20 pF,

CLK = 42 MHz, 50% duty cycle, unless otherwise specified. Boldface limits apply for TA =TMIN to TMAX: all other limits TA =

25˚C (Notes 7, 8)

Symbol

Parameter

Conditions

Typical

(Note 9)

Limits

(Note 9)

Units

(Limits)

DC Accuracy

INL

Integral Non Linearity Error

±0.7

±1.4

LSB (max)

DNL

Differential Non Linearity

±0.6

+1.3

LSB (max)

−1.0

LSB (min)

Missing Codes

(max)

Zero Scale Offset Error

−17

Full Scale Offset Error

−7

Video Accuracy

Differential Phase Error

CLK = 20 MHz, Video Ramp Input

1.0

Degree

Differential Gain Error

CLK = 20 MHz, Video Ramp Input

1.5

Analog Input and Reference Characteristics

IN Input Capacitance

IN = 1.5V + 0.7 Vrms

(CLK LOW)

(CLK HIGH)

IN Input Resistance

7.2

Ω

FPBW

Full-Power Bandwidth

120

MHz

REF

Reference Input Voltage

At pin 14

0.735

REF

Reference Input Current

7.7

Power Supply Characteristics

Analog Supply Current

PD = Low

10.5

PD = High

Digital Supply Current

PD = Low, No Digital Output Load

2.9

PD = High

0.5

Total Operating Current

Excluding Reference Current, V

IN =0 VDC

13.4

mA (max)

Power Consumption (active)

PD = Low (excluding reference current)

40.2

mW (max)

Power Consumption (power

down)

PD = High (excluding reference current)

<7mW

CLK, OE Digital Input Characteristics

Logical High Input Voltage

D =VA =3V

2.0

V (min)

Logical Low Input Voltage

D =VA =3V

1.0

V (max)

Logical High Input Current

IH =VD =VA = 3.3V

µA

Logic Low Input Current

IL = 0V, VD =VA = 3.3V

−10

µA

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