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Electrical characteristics—max1082 (continued), Electrical characteristics—max1083 – Rainbow Electronics MAX1083 User Manual

Page 4

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MAX1082/MAX1083

300ksps/400ksps, Single-Supply, 4-Channel,
Serial 10-Bit ADCs with Internal Reference

4

_______________________________________________________________________________________

V

DD1

=

V

DD2

=

5.5V

V

DD1

= V

DD2

= 5V ±10%, midscale input

CONDITIONS

mA

2.5

4.0

IV

DD1

+ IV

DD2

Supply Current

V

4.5

5.5

V

DD1,

V

DD2

Positive Supply Voltage
(Note 9)

1.3

2.0

0.9

1.5

µA

2.0

10

mV

±0.5

±2.0

PSR

Power-Supply Rejection

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

Normal operating mode (Note 10)

Reduced-power mode (Note 11)

Fast power-down mode (Note 11)

Full power-down mode (Note 11)

ELECTRICAL CHARACTERISTICS—MAX1082 (continued)

(V

DD1

= V

DD2

= +4.5V to +5.5V, COM = GND, f

OSC

= 6.4MHz, 50% duty cycle, 16 clocks/conversion cycle (400ksps), external +2.5V

at REF, REFADJ = V

DD1

, T

A

= T

MIN

to T

MAX

, unless otherwise noted. Typical values are at T

A

= +25°C.)

ELECTRICAL CHARACTERISTICS—MAX1083

(V

DD1

= V

DD2

= +2.7V to +3.6V, COM = GND, f

OSC

= 4.8MHz, 50% duty cycle, 16 clocks/conversion cycle (300ksps), external

+2.5V at REF, REFADJ = V

DD1

, T

A

= T

MIN

to T

MAX

, unless otherwise noted. Typical values are at T

A

= +25°C.)

MAX1083A

SINAD > 58dB

-3dB point

f = 150kHz, V

IN

= 2.5Vp-p

f

IN1

= 73kHz, f

IN2

=77kHz

MAX1083B

No missing codes over temperature

Up to the 5th harmonic

CONDITIONS

kHz

250

Full-Linear Bandwidth

MHz

3

Full-Power Bandwidth

dB

-78

Channel-to-Channel Crosstalk
(Note 4)

dB

76

IMD

Intermodulation Distortion

dB

70

SFDR

Spurious-Free Dynamic Range

dB

-70

THD

Total Harmonic Distortion

LSB

±0.5

INL

Relative Accuracy (Note 2)

bits

10

Resolution

dB

60

SINAD

Signal-to-Noise plus Distortion
Ratio

LSB

±0.2

Channel-to-Channel Offset-Error
Matching

ppm/°C

±1.6

Gain-Error Temperature
Coefficient

±1.0

LSB

±1.0

DNL

Differential Nonlinearity

LSB

±3.0

Offset Error

LSB

±3.0

Gain Error (Note 3)

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

POWER SUPPLY

DC ACCURACY (Note 1)

DYNAMIC SPECIFICATIONS (75kHz sine wave input, 2.5Vp-p, 300 ksps, 4.8 MHz clock, bipolar input mode)