Cirrus Logic CS4207 User Manual

Cs4207, Digital to analog features, Analog to digital features

Advertising
background image

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

Advertising
Table of contents