PGA309

SBOS292B − DECEMBER 2003 − REVISED JANUARY 2005

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11

TYPICAL CHARACTERISTICS (Cont.)

TA = +25°C, VSA = VSD = +5V (VSA = VSUPPLY ANALOG, VSD = VSUPPLY DIGITAL, VSA must equal VSD), GNDD = GNDA = 0, and VREF = REFIN/REFOUT = +5V,

unless otherwise noted.

10k

50k

1k

1

10

1

0.1

0.01

10

100

Frequency (Hz)

INPUT VOLTAGE NOISE DENSITY

Coarse Offset Adjust =

−59mV

V

CLK_CFG = ’00’ (default)

10k

100k

1k

1

1

0.1

0.01

10

100

Frequency (Hz)

INPUT VOLTAGE NOISE DENSITY

Coarse Offset Adjust = 0mV

CLK_CFG = ’00’ (default)

LARGE−SIGNAL STEP RESPONSE

Time (10

µs/div)

Gain = 8

LARGE−SIGNAL STEP RESPONSE

Gain = 1152

Time (10

µs/div)

SMALL−SIGNAL STEP RESPONSE

Gain = 8

Time (10

µs/div)

SMALL−SIGNAL STEP RESPONSE

Gain = 256

Time (10

µs/div)