Rainbow-electronics MAX108 Manual do Utilizador descarregar pdf (Página 9)

MAX108

±5V, 1.5Gsps, 8-Bit ADC with

On-Chip 2.2GHz Track/Hold Amplifier

_______________________________________________________________________________________

Typical Operating Characteristics (continued)

A = V

I = V

D = +5V, V

= -5V, V

O = +3.3V, REFIN connected to REFOUT, f

= 1.5Gsps, T

= +25°C, unless otherwise

noted.)

-0.5

-0.2

-0.3

-0.4

-0.1

0.1

0.2

0.3

0.4

0.5

0 32 64 96 128 160 192 224 256

DIFFERENTIAL NONLINEARITY

vs. OUTPUT CODE

(LOW-FREQUENCY SERVO-LOOP DATA)

MAX108toc25

OUTPUT CODE

DNL (LSB)

DREADY

200mV/div

DATA

200mV/div

DREADY RISE/FALL TIME,

DATA-OUTPUT RISE/FALL TIME

MAX108 toc26

500ps/div

1.0

1.1

1.2

1.3

1.4

1.5

0 1000500 1500 2000 2500

VSWR vs. ANALOG INPUT FREQUENCY

MAX108toc27

ANALOG INPUT FREQUENCY (MHz)

VSWR

-128.0

-102.4

-51.2

-76.8

-25.6

0 300150 450 600 750

TWO-TONE INTERMODULATION FFT PLOT

IN1

= 247.1008301MHz, f

IN2

= 253.3264160MHz,

7dB BELOW FULL SCALE, RECORD LENGTH 16,384)

MAX108 toc28

ANALOG INPUT FREQUENCY (MHz)

AMPLITUDE (dB)

Pin Description

NAME FUNCTION

A1–A4, A6, A7, B1, B2, C1, C2, D1–D3,

G1, H1, J2, J3, K1–K3, L2, L3, M1, N1,

T2, T3, U1, V1, V2, W1–W4

GNDI

Analog Ground. For T/H amplifier, clock distribution, bandgap

reference, and reference amplifier.

A5, B5, C5, H2, H3, M2, M3, U5, V5, W5 V

Analog Supply Voltage, +5V. Supplies T/H amplifier, clock distri-

bution, bandgap reference, and reference amplifier.

CONTACT

A8, B8, C8, U6, V6, W6 GNDA Analog Ground. For comparator array.

A9, B9, C9, U7, V7, W7 V

A Analog Supply Voltage, +5V. Supplies analog comparator array.

A11, B11, B16, B17, C11, C16, U9, U17,

V9, V17, V18, W9

GNDD Digital Ground

A10, E17, F2, P3, R17, R18 TESTPOINT (T.P.)

Test Point. Do not connect.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 31 32

±5V, 1.5Gsps, 8-Bit ADC with 1

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