CP2114

Rev. 1.1

11

Figure 4. WM8523 THD+N vs. Amplitude (997 Hz)

Table 12. Analog Output/Input Characteristics (PCM1774 Daughtercard)

25 °C, bus-powered, USB synchronization mode: asynchronous, digital audio interface mode: I

test signal for analog output: uncompressed WAV file, full-scale sine wave at 997 Hz, measurement bandwidth 20 Hz to 20 kHz

Additional parameters that apply to this table are as follows:

 series resistors.

Parameter

Test Condition

Min

Typ

Max

Unit

THD + Noise

0 dB FS input

–20 dB FS input

–60 dB FS input

—

—

—

–82

–89

–89

—

—

—

dB

dB

dB

Dynamic Range

A-weighted

—

89

—

dB

Noise Level

Output muted

—

–103

—

dB

Frequency response

20 Hz – 20 kHz

—

+0.04,

–0.11

—dB