2)

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

V

4.2V

|V

≤ 100 mV

Voltage on Any Input or Output Pin

−0.3V to (V

+0.3V)

Input Current at Any Pin (Note 3)

Package Input Current (Note 3)

Package Dissipation at T

See (Note 4)

ESD Susceptibility

Human Body Model (Note 5)

2500V

Machine Model (Note 5)

250V

Storage Temperature

−65˚C to +150˚C

Soldering process must comply with National

Semiconductor’s Reflow Temperature Profile

specifications. Refer to www.national.com/packaging.

(Note 6)

Operating Temperature

−40˚C

≤ T

A

≤ +85˚C

Supply Voltage (V

+2.7V to +3.6V

Output Driver Supply (V

+2.4V to V

D

CLK, PD, OEA, OEB

−0.05V to (V

Analog Input Pins

0V to 2.6V

V

CM

0.5V to 2.0V

|AGND–DGND|

≤100mV

Clock Duty Cycle (DCS On)

20% to 80%

Clock Duty Cycle (DCS Off)

40% to 60%

Converter Electrical Characteristics

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

+2.5V, PD = 0V, External V

parallel output mode. Boldface limits apply for T

Symbol

Parameter

Conditions

Typical

(Note 10)

Limits

(Note 10)

Units

(Limits)

STATIC CONVERTER CHARACTERISTICS

Resolution with No Missing Codes

12

Bits (min)

INL

Integral Non Linearity (Note 11)

LSB (max)

DNL

Differential Non Linearity

+0.96,

-0.9

LSB (max)

PGE

Positive Gain Error

+2.5,

-3.3

%FS (max)

NGE

Negative Gain Error

%FS (max)

TC GE

Gain Error Tempco

−40˚C

≤ T

A

≤ +85˚C

5

ppm/˚C

V

OFF

Offset Error (V

0.1

%FS (max)

TC

V

OFF

Offset Error Tempco

−40˚C

≤ T

A

≤ +85˚C

3

ppm/˚C

Under Range Output Code

0

0

Over Range Output Code

4095

4095

REFERENCE AND ANALOG INPUT CHARACTERISTICS

V

CM

Common Mode Input Voltage

1.5

0.5

V (min)

2.0

V (max)

V

V

Reference Output Voltage

Output load=1mA

1.5

V

C

IN

V

GND)

V

+ 0.7 V

rms

(CLK LOW)

8

pF

(CLK HIGH)

7

pF

V

REF

External Reference Voltage (Note

13)

1.00

0.8

V (min)

1.2

V (max)

Reference Input Resistance

1

M

Ω (min)

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