Rainbow-electronics MAX1427 Manual do Utilizador descarregar pdf (Página 7)

MAX1427

15-Bit, 80Msps ADC with -79.3dBFS

Noise Floor for Baseband Applications

_______________________________________________________________________________________ 7

TWO-TONE IMD PLOT (32,768-POINT

DATA RECORD, COHERENT SAMPLING)

MAX1427 toc19

ANALOG INPUT FREQUENCY (MHz)

AMPLITUDE (dBFS)

252015105

-100

-80

-60

-40

-20

-120

03530 40

CLK

= 80.0195MHz

IN1

= 10.0010MHz

IN2

= 15.0010MHz

IN1

= A

IN2

= -7dBFS

IN1

- f

IN2

- f

IN1

IN2

SFDR1/SFDR2 vs. TEMPERATURE

CLK

= 80.0195MHz,

= 15.0012MHz, A

= -1dBFS)

MAX1427 toc15

TEMPERATURE (°C)

SFDR1/SFDR2 (dBc)

603510-15

100

-40 85

SFDR1

SFDR2

HD2/HD3 vs. TEMPERATURE

CLK

= 80.0195MHz,

= 15.0012MHz, A

= -1dBFS)

MAX1427 toc16

TEMPERATURE (°C)

HD2/HD3 (dBc)

603510-15

-100

-95

-90

-85

-80

-110

-105

-40 85

HD2

HD3

POWER DISSIPATION vs. TEMPERATURE

CLK

= 80.0195MHz,

= 15.0012MHz, A

= -1dBFS)

MAX1427 toc17

TEMPERATURE (°C)

POWER DISSIPATION (mW)

603510-15

1969

1973

1977

1981

1985

1965

-40 85

POWER DISSIPATION vs. SUPPLY VOLTAGE

CLK

= 80.0195MHz,

= 15.0012MHz, A

= -1dBFS)

MAX1427 toc18

SUPPLY VOLTAGE (V)

POWER DISSIPATION (mW)

5.205.154.90 4.95 5.00 5.05 5.10

1850

1900

1950

2000

2050

2100

2150

2200

1800

4.85 5.25

Typical Operating Characteristics (continued)

(AV

= 5V, DV

= DRV

= 2.5V, INP and INN driven differentially with a -1dBFS amplitude, CLKP and CLKN driven differentially

with a 2V

P-P

sinusoidal input signal, C

= 5pF at digital outputs, f

CLK

= 80MHz, T

= +25°C. All AC data based on a 32k-point FFT

record and under coherent sampling conditions.)

1 2 3 4 5 6 7 8 9 10 11 12 ... 17 18

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