AD28msp02

REV. 0

–15–

DIGITAL TEST CONDITIONS

3.0V

1.5V

0.0V

2.0V

1.5V

0.8V

DIGITAL INPUT

DIGITAL OUTPUT

Figure 15. Voltage Reference Levels for AC Measurements

TO DIGITAL

OUTPUT PIN

50pF

+1.5V

I

OH

I

OL

Figure 16. Equivalent Device Loading for AC

Measurements (Includes All Fixtures)

GAIN

Parameter

Min

Typ

Max

Unit

Test Conditions

ADC Absolute Gain

–0.2

0

0.2

dBm0

1.0 kHz, 0 dBm0

ADC Gain Tracking Error

–0.1

0

0.1

dBm0

1.0 kHz, +3 to –50 dBm0

DAC Absolute Gain

–0.2

0

0.2

dBm0

1.0 kHz, 0 dBm0

DAC Gain Tracking Error

–0.1

0

0.1

dBm0

1.0 kHz, +3 to –50 dBm0

FREQUENCY RESPONSE

Input Freq

Min Output

Max Output

(Hz)

(dB)

(dB)

0–

∞

–25

100

–

∞

–25

150

–0.3

+0.3

200

–0.3

+0.3

300

–0.2

+0.2

1000

–0.2

+0.2

2000

–0.2

+0.2

3000

–0.2

+0.2

3400

–0.2

+0.2

3700

–0.3

+0.3

4000

–

∞

–60

>4000

–

∞

–60

Frequency responses of ADC and DAC measured with input at audio reference

level (the input level that produces an output level of –10 dBm0), with 20 dB

preamplifier bypassed and input gain of 0 dB. The in-band ripple shall not ex-

ceed 0.2 dB.