ADC10D040 datasheet(8/28 Pages) NSC

8 / 28 page

Converter Electrical Characteristics (Continued)

The following specifications apply for V

A =VD = +3.3 VDC,VDR = +2.5 VDC,VREF = 1.4 VDC, GAIN = OF = 0V, OS = 3.3V, VIN

(a.c. coupled) = FSR = 1.4 V

P-P,CL = 15 pF, fCLK = 40 MHz, 50% Duty Cycle, RS =50

Ω,t

rc =tfc < 4 ns, NOT offset cor-

rected. Boldface limits apply for T

A =TMIN to TMAX: all other limits TA = 25˚C (Note 7).

Symbol

Parameter

Conditions

Typical

(Note 8)

Limits

(Note 9)

Units

(Limits)

SFDR

Spurious Free Dynamic Range

IN = 4.43 MHz, VIN = FSR −0.1 dB

IN = 10.4 MHz, VIN = FSR −0.1 dB

IN = 19.7 MHz, VIN = FSR −0.1 dB

IMD

Intermodulation Distortion

IN1 < 8.5 MHz, VIN = FSR −6.1 dB

IN2 < 9.5 MHz, VIN = FSR −6.1 dB

Overrange Output Code

IN+−VIN−) > 1.5V

1023

Underrange Output Code

IN+−VIN−) < −1.5V

FPBW

Full Power Bandwidth

140

MHz

INTER-CHANNEL CHARACTERISTICS

Crosstalk

1 MHz input to tested channel, 10.3 MHz input

to other channel

−72

Channel - Channel Aperture Delay

Match

IN = 8 MHz

8.5

Channel - Channel Gain Matching

0.1

%FS

REFERENCE AND ANALOG CHARACTERISTICS

Analog Differential Input Range

Gain Pin = AGND

1.4

P-P

Gain Pin = V

2.8

P-P

Analog Input Capacitance (each

input)

Clock High

Clock Low

Analog Differential Input

Resistance

13.5

Ω

REF

Reference Voltage

1.4

0.6

V (min)

1.6

V (max)

REF

Reference Input Current

<1µA

CMO

Common Mode Voltage Output

1 mA load to ground (sourcing current)

1.5

1.35

V (min)

1.6

V (max)

CMO

Common Mode Voltage

Temperature Coefficient

ppm/˚C

DIGITAL INPUT CHARACTERISTICS

Logical “1” Input Voltage

D = +3.0V

2.0

V (min)

Logical “0” Input Voltage

D = +3.6V

0.5

V (max)

Logical “1” Input Current

IH =VD

<1µA

Logical “0” Input Current

IL = DGND

>−1

µA

DIGITAL OUTPUT CHARACTERISTICS

Logical “1” Output Voltage

DR = +2.5V, IOUT = −0.5 mA

−0.2V

V (min)

Logical “0” Output Voltage

DR = +2.5V, IOUT = 1.6 mA

0.4

V (max)

Output Short Circuit Source

Current

OUT =0V

Parallel Mode

−4.7

Multiplexed Mode

−9

−I

Output Short Circuit Sink Current

OUT =VDR

Parallel Mode

4.7

Multiplexed Mode

POWER SUPPLY CHARACTERISTICS

Analog Supply Current

PD = LOW, STBY = LOW, d.c. input

mA (max)

PD = LOW, STBY = HIGH

PD = HIGH, STBY = LOW or HIGH

0.1

ADC10D040 Datasheet(PDF) 8 Page - National Semiconductor (TI)

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