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Dc and logic electrical characteristics, Converter electrical characteristics – Rainbow Electronics ADC12010 User Manual

Page 6

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Converter Electrical Characteristics

(Continued)

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

A

= V

D

= +5V, V

DR

=

+3.0V, PD = 0V, V

REF

= +2.0V, f

CLK

= 10 MHz, t

r

= t

f

= 3 ns, C

L

= 25 pF/pin. Boldface limits apply for T

A

= T

J

= T

MIN

to

T

MAX

: all other limits T

A

= T

J

= 25˚C (Notes 7, 8, 9)

Symbol

Parameter

Conditions

Typical

(Note 10)

Limits

(Note 10)

Units

(Limits)

IMD

Intermodulation Distortion

f

IN

= 4.7 MHz and 4.9 MHz,

each = −7 dBFS

−75

dBFS

REFERENCE AND ANALOG INPUT CHARACTERISTICS

V

CM

Common Mode Input Voltage

V

A

/ 2

V

C

IN

V

IN

Input Capacitance (each pin to

GND)

V

IN

= 2.5 Vdc

+ 0.7 V

rms

(CLK LOW)

8

pF

(CLK HIGH)

7

pF

V

REF

Reference Voltage (Note 13)

2.00

1.0

V (min)

2.4

V (max)

Reference Input Resistance

100

M

Ω(min)

DC and Logic Electrical Characteristics

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

A

= V

D

= +5V, V

DR

=

+3.0V, PD = 0V, V

REF

= +2.0V, f

CLK

= 10 MHz, t

r

= t

f

= 3 ns, C

L

= 25 pF/pin. Boldface limits apply for T

A

= T

J

= T

MIN

to

T

MAX

: all other limits T

A

= T

J

= 25˚C (Notes 7, 8, 9)

Symbol

Parameter

Conditions

Typical

(Note 10)

Limits

(Note 10)

Units

(Limits)

CLK, PD, OE DIGITAL INPUT CHARACTERISTICS

V

IN(1)

Logical “1” Input Voltage

V

D

= 5.25V

2.0

V (min)

V

IN(0)

Logical “0” Input Voltage

V

D

= 4.75V

1.0

V (max)

I

IN(1)

Logical “1” Input Current

V

IN

= 5.0V

10

µA

I

IN(0)

Logical “0” Input Current

V

IN

= 0V

−10

µA

C

IN

Digital Input Capacitance

5

pF

D0–D11 DIGITAL OUTPUT CHARACTERISTICS

V

OUT(1)

Logical “1” Output Voltage

I

OUT

= −0.5 mA

V

DR

= 2.5V

2.3

V (min)

V

DR

= 3V

2.7

V (min)

V

OUT(0)

Logical “0” Output Voltage

I

OUT

= 1.6 mA, V

DR

= 3V

0.4

V (max)

I

OZ

TRI-STATE Output Current

V

OUT

= 2.5V or 5V

100

nA

V

OUT

= 0V

−100

nA

+I

SC

Output Short Circuit Source

Current

V

OUT

= 0V

−20

mA (min)

−I

SC

Output Short Circuit Sink Current

V

OUT

= V

DR

20

mA (min)

POWER SUPPLY CHARACTERISTICS

I

A

Analog Supply Current

PD Pin = DGND, V

REF

= 2.0V

PD Pin = V

DR

30

2.8

39

mA (max)

mA

I

D

Digital Supply Current

PD Pin = DGND

PD Pin = V

DR

, f

CLK

= 0

2

2.2

2.5

mA (max)

mA

I

DR

Digital Output Supply Current

PD Pin = DGND, C

L

= 0 pF (Note 14)

PD Pin = V

DR

, f

CLK

= 0

0

0

mA

mA

Total Power Consumption

PD Pin = DGND, C

L

= 0 pF (Note 15)

PD Pin = V

DR

, f

CLK

= 0

160

25

207

mW

mW

PSRR1+

Power Supply Rejection Ratio

Rejection of Positive Full-Scale Error

with V

A

= 4.75V vs. 5.25V

69

dBFS

PSRR1−

Power Supply Rejection Ratio

Rejection of Negative Full-Scale Error

with V

A

= 4.75V vs. 5.25V

51

dBFS

PSRR2

Power Supply Rejection Ratio

Rejection of Power Supply Noise with

10 MHz, 250 mV

P-P

riding on V

A

48

dBFS

ADC12010

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