CS47L85 datasheet(30/370 Pages) CIRRUS

30 / 370 page

CS47L85

Rev 4.3

TYPICAL PERFORMANCE

TYPICAL POWER CONSUMPTION

Typical power consumption data is provided below for a number of different operating conditions.

Test Conditions:

DBVDD1 = DBVDD2 = DBVDD3 = DBVDD4 = CPVDD1 = AVDD = LDOVDD = 1.8V,

CPVDD2 = DCVDD = FLLVDD = 1.2V, SPKVDDL = SPKVDDR = 4.2V, MICVDD = 2.5V (powered from LDO2),

TA = +25ºC, PGA gain = 0dB, fs = 48kHz, 24-bit audio data, I

2S Slave Mode,

SYSCLK = 24.576 MHz (direct MCLK1) unless otherwise

OPERATING MODE

TEST CONDITIONS

SUPPLY

CURRENT

(1.2V)

SUPPLY

CURRENT

(1.8V)

SUPPLY

CURRENT

(4.2V)

TOTAL

POWER

Music Playback to Headphone

AIF1 to DAC to HPOUT (stereo)

Load = 32



Quiescent

2.2mA

0.7mA

0.0mA

3.9mW

1kHz sine wave, PO=10mW

37.7mA

1.9mA

0.0mA

48.66mW

Music Playback to Earpiece

AIF1 to DAC to HPOUT (mono)

Load = 32

, BTL

Quiescent

1.5mA

0.8mA

0.0mA

3.24mW

1kHz sine wave, PO=30mW

61.8mA

1.8mA

0.0mA

77.4mW

Music Playback to Speaker

AIF1 to DAC to SPKOUT (stereo)

Load = 8

, 22µH, BTL

Quiescent

2.0mA

2.1mA

0.0mA

6.18mW

1kHz sine wave, PO=700mW

2.0mA

2.1mA

382mA

1610mW

Stereo Line Record

Analogue Line to ADC to AIF1

MICVDD=1.8V (CP2/LDO2 bypass)

1kHz sine wave, -1dBFS out

2.1mA

2.4mA

0.0mA

6.84mW

Sleep Mode

Accessory detect enabled

(JD1_ENA=1)

0.00mA

0.01mA

0.000mA

0.018mW

CS47L85 Datasheet(PDF) 30 Page - Cirrus Logic

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