CS43L22 datasheet(12/68 Pages) CIRRUS

12 / 68 page

DS792F1

CS43L22

Confidential Draft

10/7/08

See Figure 2. RL and CL reflect the recommended minimum resistance and maximum capacitance re-

quired for the internal op-amp's stability and signal integrity. In this circuit topology, CL will effectively

move the band-limiting pole of the amp in the output stage. Increasing this value beyond the recom-

mended 150 pF can cause the internal op-amp to become unstable.

ANALOG PASSTHROUGH CHARACTERISTICS

Test Conditions (unless otherwise specified): Input sine wave (relative to full-scale): 1 kHz through passive input filter;

Passthrough Amplifier and HP/Line Gain = 0 dB; All Supplies = VA; TA = +25°C; Sample Frequency = 48 kHz; Measurement

Bandwidth is 20 Hz to 20 kHz.

VA = 2.5 V

VA = 1.8 V

Parameters

Min

Typ

Max

Min

Typ

Max

Unit

Analog In to HP/Line Amp

RL = 10 kΩ

Dynamic Range

A-weighted

unweighted

-96

-93

-94

-91

Total Harmonic Distortion + Noise

-1 dBFS

-20 dBFS

-60 dBFS

-70

-73

-33

-70

-71

-31

Full-scale Input Voltage

0.91•VA

Vpp

Full-scale Output Voltage

0.84•VA

Vpp

Passband Ripple

0/-0.3

RL = 16 Ω

Dynamic Range

A-weighted

unweighted

-96

-93

-94

-91

Total Harmonic Distortion + Noise

-1 dBFS

-20 dBFS

-60 dBFS

-70

-73

-33

-70

-71

-31

Full-scale Input Voltage

0.91•VA

Vpp

Full-scale Output Voltage

0.84•VA

Vpp

Output Power

Passband Ripple

0/-0.3

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