Rainbow-electronics ADC10738 Manual de usuario descargar pdf (Pagina 5)

Electrical Characteristics (Continued)

The following specifications apply for V

a

e

AV

a

e

DV

a

ea

5.0 V

DC

,V

REF

a

e

2.5 V

DC

,V

REF

b

e

GND, V

IN

b

e

2.5V for

Signed Characteristics, V

IN

b

e

GND for Unsigned Characteristics and f

CLK

e

2.5 MHz unless otherwise specified. Boldface

limits apply for T

A

e

T

J

e

T

MIN

to T

MAX

; all other limits T

A

e

T

J

ea

25

§

C. (Notes 8, 9 and 10) (Continued)

Symbol Parameter Conditions

Typical Limits Units

(Note 11) (Note 12) (Limits)

DYNAMIC UNSIGNED CONVERTER CHARACTERISTIC

S/(N

a

D) Signal-to-Noise Plus Distortion Ratio V

REF

a

e

4.096V,

V

IN

e

4.0 V

PP

, and 60 dB

f

IN

e

1 kHz to 15 kHz

Effective Bits V

REF

a

e

4.096V,

V

IN

e

4.0 V

PP

, and 9.8 Bits

f

IN

e

1 kHz to 15 kHz

THD Total Harmonic Distortion V

REF

a

e

4.096V,

V

IN

e

4.0 V

PP

, and

b

70 dB

f

IN

e

1 kHz to 15 kHz

IMD Intermodulation Distortion V

REF

a

e

4.096V,

V

IN

e

4.0 V

PP

, and

b

73 dB

f

IN

e

1 kHz to 15 kHz

Full-Power Bandwidth V

IN

e

4.0 V

PP

,

V

REF

a

e

4.096V, 380 kHz

where S/(N

a

D) decreases 3 dB

Multiplexer Channel to Channel Crosstalk f

IN

e

15 kHz,

b

80 dB

V

REF

a

e

4.096V

REFERENCE INPUT AND MULTIPLEXER CHARACTERISTICS

Reference Input Resistance 7 kX

5.0 kX(min)

9.5 kX(max)

C

REF

Reference Input Capacitance 70 pF

MUX Input Voltage

b

50 mV(min)

AV

a

a

50 mV (max)

C

IM

MUX Input Capacitance 47 pF

Off Channel Leakage Current (Note 15) On Channel

e

5V and

b

0.4

b

3.0 mA(max)

Off Channel

e

0V

On Channel

e

0V and

0.4 3.0 mA(max)

Off Channel

e

5V

On Channel Leakage Current (Note 15) On Channel

e

5V and

0.4 3.0 mA(max)

Off Channel

e

0V

On Channel

e

0V and

b

0.4

b

3.0 mA(max)

Off Channel

e

5V

5

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