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Electrical characteristics (continued) – Rainbow Electronics MAX1195 User Manual

Page 3

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MAX1195

Dual, 8-Bit, 40Msps, 3V, Low-Power ADC with

Internal Reference and Parallel Outputs

_______________________________________________________________________________________

3

ELECTRICAL CHARACTERISTICS (continued)

(V

DD

= OV

DD

= 3V, 0.1µF and 2.2µF capacitors from REFP, REFN, and COM to GND; REFOUT connected to REFIN through a 10k

resistor, V

IN

= 2V

P-P

(differential with respect to COM), C

L

= 10pF at digital outputs, f

CLK

= 40MHz, T

A

= T

MIN

to T

MAX

, unless

otherwise noted.

≥+25°C guaranteed by production test, <+25°C guaranteed by design and characerization. Typical values are at

T

A

= +25°C.)

PARAMETER

SYMBOL

CONDITIONS

MIN

T YP

MAX

UNITS

f

INA or B

= 1MHz at -1dB FS

48.6

f

INA or B

= 7.5MHz at -1dB FS

48.5

f

INA or B

= 20MHz at -1dB FS

47

48.5

Signal-to-Noise
and Distortion

SINAD

f

INA or B

= 115.1MHz at -1dB FS

47.8

dB

f

INA or B

= 1MHz at -1dB FS

73

f

INA or B

= 7.5MHz at -1dB FS

69

f

INA or B

= 20MHz at -1dB FS

60

68.7

Spurious-Free
Dynamic Range

SFDR

f

INA or B

= 115.1MHz at -1dB FS

63

dBc

f

INA or B

= 1MHz at -1dB FS

- 75

f

INA or B

= 7.5MHz at -1dB FS

- 73

f

INA or B

= 20MHz at -1dB FS

- 70

Third-Harmonic
Distortion

HD3

f

INA or B

= 115.1MHz at -1dB FS

- 63

dBc

Intermodulation Distortion
(First Five Odd-Order IMDs)

IMD

f

IN1(A or B)

= 1.997MHz at -7dB FS

f

IN2(A or B)

= 2.046MHz at -7dB FS

(Note 2)

- 69.5

dBc

Third-Order Intermodulation
Distortion

IM3

f

IN1(A or B)

= 1.997MHz at -7dB FS

f

IN2(A or B)

= 2.046 MHz at -7dB FS

(Note 2)

- 71.7

dBc

f

INA or B

= 1MHz at -1dB FS

- 70

f

INA or B

= 7.5MHz at -1dB FS

- 69

f

INA or B

= 20MHz at -1dB FS

- 69

-57

Total Harmonic Distortion
(First Four Harmonics)

THD

f

INA or B

= 115.1MHz at -1dB FS

- 62

dBc

Small-Signal Bandwidth

Input at -20dB FS, differential inputs

500

MHz

Full-Power Bandwidth

FPBW

Input at -1dB FS, differential inputs

400

MHz

Gain Flatness
(12MHz Spacing)

f

IN1(A or B)

= 106 MHz at -1dB FS

f

IN2(A or B)

= 118 MHz at -1dB FS

(Note 3)

0.05

dB

Aperture Delay

t

AD

(Note 1)

1

ns

Aperture Jitter

t

AJ

1dB SNR degradation at Nyquist

2

ps

RMS

Overdrive Recovery Time

For 1.5

× full-scale input

2

ns

IN T ER N A L REF ER EN C E ( RE FIN = RE FOU T thr oug h 10k

Ω r esi stor ; RE FP , RE FN , and C OM l evel s ar e g ener ated i nter nal l y.)

Reference Output Voltage

V

REFOUT

(Note 4)

2.048

± 3%

V

Positive Reference Output
Voltage

V

REFP

(Note 5)

2.012

V

Negative Reference Output
Voltage

V

REFN

(Note 5)

0.988

V