MCP3910A1T-ESLASHML datasheet(14/86 Pages) MICROCHIP

14 / 86 page

MCP3910

DS20005116B-page 14

 2012-2014 Microchip Technology Inc.

Note:

Unless otherwise indicated, AVDD = 3V, DVDD = 3V; TA = +25°C, MCLK = 4 MHz; PRESCALE = 1;

OSR = 256; GAIN = 1; Dithering = Maximum; VIN = -0.5 dBFS @ 60 Hz on all channels, VREFEXT = 0; CLKEXT = 1;

BOOST<1:0> = 10.

FIGURE 2-19:

THD vs. GAIN.

FIGURE 2-20:

SINAD vs. GAIN.

FIGURE 2-21:

SNR vs. GAIN.

FIGURE 2-22:

SFDR vs. GAIN.

FIGURE 2-23:

THD vs. Input Signal

Amplitude.

FIGURE 2-24:

SINAD vs. Input Signal

Amplitude.

-140

-120

-100

-80

-60

-40

-20

1248

Gain (V/V)

OSR = 32

OSR = 64

OSR = 128

OSR = 256

OSR = 512

OSR = 1024

OSR = 2048

OSR = 4096

100

120

1248

Gain (V/V)

OSR = 32

OSR = 64

OSR = 128

OSR = 256

OSR = 512

OSR = 1024

OSR = 2048

OSR = 4096

100

120

1248

Gain (V/V)

OSR = 32

OSR = 64

OSR = 128

OSR = 256

OSR = 512

OSR = 1024

OSR = 2048

OSR = 4096

100

120

140

1248

Gain (V/V)

OSR = 32

OSR = 64

OSR = 128

OSR = 256

OSR = 512

OSR = 1024

OSR = 2048

OSR = 4096

-120

-100

-80

-60

-40

-20

0.001

0.01

0.1

100

1000

Input Signal Amplitude (mV

PK)

GAIN = 1x

GAIN = 2x

GAIN = 4x

GAIN = 8x

GAIN = 16x

GAIN = 32x

-20

100

0.001

0.01

0.1

100

1000

Input Signal Amplitude (mV

PK)

GAIN = 1x

GAIN = 2x

GAIN = 4x

GAIN = 8x

GAIN = 16x

GAIN = 32x

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