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Cirrus Logic CS4207 User Manual

Cs4207, Digital to analog features, Analog to digital features

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Copyright Cirrus Logic, Inc. 2012

(All Rights Reserved)

http://www.cirrus.com

AUG '12

DS880F4

Low-power, 4-in / 6-out HD Audio Codec with Headphone Amp

DIGITAL to ANALOG FEATURES

DAC1 (Headphone)

101 dB Dynamic Range (A-wtd)

-89 dB THD+N

Headphone Amplifier - GND Centered

Integrated Negative-voltage Regulator

No DC-blocking Capacitor Required

50 mW Power/Channel into 16

DAC2 & DAC3 (Line Outs)

110 dB Dynamic Range (A-wtd)

-94 dB THD+N

Differential Balanced or Single-ended

Each DAC Supports 32 kHz to 192 kHz Sample
Rates Independently.

Digital Volume Control

+6.0 dB to -57.5 dB in 0.5 dB Steps

Zero Cross and/or Soft Ramp Transitions

Independent Support of D0 and D3 Power
States for Each DAC

Fast D3 to D0 Transition

Audio Playback in Less Than 50 ms

ANALOG to DIGITAL FEATURES

ADC1 & ADC2

105 dB Dynamic Range (A-wtd)

-88 dB THD+N

Differential Balanced or Single-ended
Inputs

Analog Programmable Gain Amplifier
(PGA) ±12 dB, 1.0 dB Steps, with Zero
Cross Transitions and Mute

MIC Inputs

Pre-amplifier with Selectable 0 dB, +10 dB,
+20 dB, and +30 dB Gain Settings

Programmable, Low-noise MIC Bias Level

Each ADC Supports 8 kHz to 96 kHz Sample
Rates Independently

Additional Digital Attenuation Control

-13.0 dB to -51.0 dB in 1.0 dB steps

Zero Cross and/or Soft Ramp Transitions

Digital Interface for Two Dual Digital Mic Inputs

Independent Support of D0 and D3 Power
States for Each ADC

VL_HD

(1.5 V to 3.3 V)

SRC &

Multibit



Modulator

Chrg

Pump
Invert

Left HP Out

Left Line Out

2-Chnl

ADC1

Le

v

e

l T

ra

n

sl

at

o

r

HD Audio

Bus

Line/Mic In L

Line/Mic In R

Headphone
Amp - GND

Centered

MIC

Bias

2-Chnl

DAC1

Line

Out

+
-

Right Line Out

+
-

Left Line Out

Line

Out

+
-

Right Line Out

+
-

+
-

+

PGA

Digital

Filter &

SRC

2-Chnl

ADC2

Mic/Line In L

Mic/Line In R

+
-
+
-

PGA

Digital

Filter &

SRC

D-Mic Clock

SPDIF

TX 1

SPDIF

RX SRC

S/PDIF OUT 1

S/PDIF IN

GPIO

GPIO

Right HP Out

D-Mic In

HD

Audio

Interface

Chrg

Pump

Buck

+VHP

-VHP

2-Chnl

DAC2

2-Chnl

DAC3

SRC &

Multibit



Modulator

SRC &

Multibit



Modulator

VD

(1.5 V to 1.8 V)

Vol/Mute

Vol/Mute

Vol/Mute

Vol/Boost/

Mute

Vol/Boost/

Mute

VA, VA_REF

(3.3 V to 5.0 V)

VA_HP

(3.3 V to 5.0 V)

Mic Bias

Leve

l T

ra

n

slat

o

r

VL_IF

(3.3 V)

Jack

Sense

SENSE_A

SPDIF

TX 2

S/PDIF OUT 2

128Fs Clock

Multiplier

HD Bus
Fs

SPDIF

RX

CS4207

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