CS4207 Datasheet, PDF (1/144 Pages) Cirrus Logic – Low-power, 4-in / 6-out HD Audio CODEC with Headphone Amp

CS4207
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 Ω
 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
HD Audio
Bus
VL_HD
(1.5 V to 3.3 V)
GPIO
S/PDIF OUT 2
S/PDIF OUT 1
VL_IF
(3.3 V)
S/PDIF IN
D-Mic Clock
D-Mic In
VD
(1.5 V to 1.8 V)
HD
Audio
Interface
GPIO
SPDIF
TX 2
SPDIF
TX 1
HD Bus
Fs
128Fs Clock
Multiplier
SPDIF
RX
SPDIF
RX SRC
Vol/Mute
Vol/Mute
Vol/Mute
Vol/Boost/
Mute
Vol/Boost/
Mute
SRC &
Multibit ΔΣ
Modulator
SRC &
Multibit ΔΣ
Modulator
SRC &
Multibit ΔΣ
Modulator
Digital
Filter &
SRC
Digital
Filter &
SRC
VA, VA_REF
(3.3 V to 5.0 V)
2-Chnl
DAC1
2-Chnl
DAC2
2-Chnl
DAC3
2-Chnl
ADC1
2-Chnl
ADC2
Jack
Sense
VA_HP
(3.3 V to 5.0 V)
Chrg
Pump
Buck
Chrg
Pump
Invert
+VHP
-VHP
Headphone
Amp - GND
Centered
Left HP Out
Right HP Out
Line
+- _{Left Line Out}
Out
+- _{Right Line Out}
Line
+- _{Left Line Out}
Out
+- _{Right Line Out}
PGA
+
- ^{Line/Mic In L}
Line/Mic In R
+
PGA
MIC
Bias
+- _{Mic/Line In L}
+- _{Mic/Line In R}
Mic Bias
SENSE_A
http://www.cirrus.com
Copyright  Cirrus Logic, Inc. 2009
(All Rights Reserved)
APR '09
DS880F1