Rainbow-electronics ADC12441 Bedienungsanleitung PDF herunterladen (Seite 2)

Absolute Maximum Ratings (Notes1&2)

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales

Office/Distributors for availability and specifications.

Supply Voltage (V

) 6.5V

Negative Supply Voltage (V

)

6.5V

Voltage at Logic Control Inputs

0.3V to (V

0.3V)

Voltage at Analog Inputs

and V

REF

)(V

0.3V) to (V

0.3V)

–DV

(Note 7) 0.3V

Input Current at Any Pin (Note 3)

5mA

Package Input Current (Note 3)

20 mA

Power Dissipation at 25

C (Note 4) 875 mW

Storage Temperature Range

Cto

150

ESD Susceptability (Note 5) 2000V

Soldering Information

J Package (10 sec.) 300

Operating Ratings (Notes1&2)

Temperature Range T

MIN

MAX

ADC12441CIJ

ADC12441CMJ,

ADC12441CMJ/883

125

and AV

Voltage

(Notes6&7) 4.5V to 5.5V

Negative Supply Voltage (V

)

4.5V to

5.5V

Reference Voltage

REF

, Notes6&7) 3.5V to AV

50 mV

Converter Electrical Characteristics

The following specifications apply for V

5.0V, V

REF

5.0V, Analog Input Source

Impedance

600X, and f

CLK

2.0 MHz unless otherwise specified. Boldface limits apply for T

MIN

to T

MAX

;

all other limits T

C. (Notes 6, 7 and 8)

Symbol Parameter Conditions

Typical Limit Units

(Note 9) (Note 10) (Limit)

STATIC CHARACTERISTICS

Positive Integral Linearity Error After Auto-Cal (Notes 11 & 12)

(/2 LSB

Negative Integral Linearity Error After Auto-Cal (Notes 11 & 12)

*/4 LSB

Positive or Negative Differential Linearity After Auto-Cal (Notes 11 & 12) 12 Bits

Zero Error After Auto-Zero or Auto-Cal

1 LSB (max)

(Notes 12 & 13)

Positive Full-Scale Error After Auto-Cal (Note 12)

(/2

1 LSB (max)

Negative Full-Scale Error After Auto-Cal (Note 12)

2 LSB (max)

Analog Input Voltage V

0.05 V(min)

0.05 V(max)

Power Supply Zero Error (Note 14) AV

5%,

(/8 LSB

Sensitivity

Full-Scale Error

REF

4.75V, V

(/8 LSB

Linearity Error

(/8 LSB

REF

Input Capacitance (Note 18) 80 pF

Analog Input Capacitance 65 pF

DYNAMIC CHARACTERISTICS

Bipolar Effective Bits f

1 kHz, V

4.85V 12.6 Bits

(Note 17)

20 kHz, V

4.85V 12.6 12.4 Bits (min)

Unipolar Effective Bits f

1 kHz, V

4.85 V

p-p

11.8 Bits

(Note 17)

20 kHz, V

4.85 V

p-p

11.8 11.6 Bits (min)

S/N Bipolar Signal-to-Noise Ratio f

1 kHz, V

4.85V 78 dB

(Note 17)

10 kHz, V

4.85V 78 dB

20 kHz, V

4.85V 78 76.5 dB (min)

S/N Unipolar Signal-to-Noise Ratio f

1 kHz, V

4.85 V

p-p

73 dB

(Note 17)

10 kHz, V

4.85 V

p-p

73 dB

20 kHz, V

4.85 V

p-p

73 71.5 dB (min)

1 2 3 4 5 6 7 ... 13 14

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