CS4207
Low-power, 4-in / 6-out HD Audio CODEC with Headphone Amp
DIGITAL to ANALOG FEATURES
DAC1 (Headphone)
ANALOG to DIGITAL FEATURES
ADC1 & ADC2
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–
–
–
–
–
–
–
101 dB Dynamic Range (A-wtd)
-89 dB THD+N
Integrated Negative-voltage Regulator
No DC-blocking Capacitor Required
50 mW Power/Channel into 16
Ω
110 dB Dynamic Range (A-wtd)
-94 dB THD+N
Differential Balanced or Single-ended
Headphone Amplifier - GND Centered
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–
–
–
DAC2 & DAC3 (Line Outs)
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
Pre-amplifier with Selectable 0 dB, +10 dB,
+20 dB, and +30 dB Gain Settings
Programmable, Low-noise MIC Bias Level
MIC Inputs
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–
Each DAC Supports 32 kHz to 192 kHz Sample
Rates Independently.
Digital Volume Control
Each ADC Supports 8 kHz to 96 kHz Sample
Rates Independently
Additional Digital Attenuation Control
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–
+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
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–
-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
–
Audio Playback in Less Than 50 ms
States for Each ADC
VD
(1.5 V to 1.8 V)
VA, VA_REF
(3.3 V to 5.0 V)
VA_HP
(3.3 V to 5.0 V)
Chrg
Pump
Buck
+VHP
Chrg
Pump
Invert
-VHP
Level Translator
Vol/Mute
HD
Audio
Interface
SRC &
Multibit
ΔΣ
Modulator
SRC &
Multibit
ΔΣ
Modulator
SRC &
Multibit
ΔΣ
Modulator
Digital
Filter &
SRC
Digital
Filter &
SRC
2-Chnl
DAC1
2-Chnl
DAC2
2-Chnl
DAC3
Headphone
Amp - GND
Centered
Line
Out
Line
Out
Left HP Out
Right HP Out
+Left Line Out
-
+
Right Line Out
-
+Left Line Out
-
+
Right Line Out
-
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
Vol/Mute
GPIO
SPDIF
TX2
SPDIF
TX1
HD Bus
Fs
Vol/Mute
Level Translator
Vol/Boost/
Mute
2-Chnl
ADC1
PGA
+
- Line/Mic In L
Line/Mic In R
+
+
- Mic/Line In L
+Mic/Line In R
-
Mic Bias
SENSE_A
128Fs Clock
Multiplier
SPDIF
RX SRC
Vol/Boost/
Mute
2-Chnl
ADC2
PGA
MIC
Bias
SPDIF
RX
Jack
Sense
Copyright
Cirrus Logic, Inc. 2009
(All Rights Reserved)
APR '09
DS880F1
CIRRUS [ CIRRUS LOGIC ]
