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CS53L30 Datasheet, PDF (1/67 Pages) Cirrus Logic – Low-Power Quad-Channel Microphone ADC with TDM Output | |||
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CS53L30
Low-Power Quad-Channel Microphone ADC with TDM Output
Analog Input and ADC Features
System Features
ï§ 91-dB dynamic range (A-weighted) @ 0-dB gain
ï§ â84-dB THD+N @ 0-dB gain
ï§ Four fully differential inputs: Four analog mic/line inputs
ï§ Four analog programmable gain amplifiers
ï§ â6 to +12 dB, in 0.5-dB steps
ï§ +10 or +20 dB boost for mic input
ï§ Four mic bias generators
ï§ MUTE pin for quick mic mute and programmable quick
power down
Digital Processing Features
ï§ Volume control, mute, programmable high-pass filter,
noise gate
ï§ Two digital mic (DMIC) interfaces
Digital Output Features
ï§ Two DMIC SCLK generators
ï§ Four-channel I2S output or TDM output. Four CS53L30s
can be used to output 16 channels of 24-bit 16-kHz
sample rate data on a single TDM line.
ï§ Native (no PLL required) support for 6-/12-MHz, 6.144-/
12.288-MHz, 5.6448-/11.2896-MHz, or 19.2-MHz master
clock rates and 8- to 48-kHz audio sample rates
ï§ Master or Slave Mode. Clock dividers can be used to
generate common audio clocks from single-master clock
input.
ï§ Low power consumption
ï§ Less than 4.5-mW stereo (16 kHz) analog mic record
ï§ Less than 2.5-mW mono (8 kHz) analog mic record
ï§ Selectable mic bias and digital interface logic voltages
ï§ High-speed (400-kHz) I²C control port
ï§ Available in 30-ball WLCSP and 32-pin QFN
Applications
ï§ Voice-recognition systems
ï§ Advanced headsets and telephony systems
ï§ Voice recorders
ï§ Digital cameras and video cameras
IN1+/DMIC1_SD
IN1â
IN2+
IN2â
IN3+/DMIC2_SD
IN3â
IN4+
IN4â
MIC 1_BIAS
MIC 2_BIAS
MIC3_BIAS
MIC4_BIAS
VA
LDO
VD
+
â
+
â
+10 or +20 dB
+
ADC1A
â
+
ADC1B
â
â6 to +12 dB,
0.5 dB steps MCLK_INT
CS53L30
Digital Processing
HPF, Noise
Gate, Volume,
Mute
2
+
â
+
â
+10 or +20 dB
+
â
ADC2A
+
â
ADC2B
â6 to +12 dB,
0.5 dB steps MCLK_INT
MIC1 Bias
MIC2 Bias
MIC3 Bias
MIC4 Bias
DMIC
HPF, Noise
Gate, Volume,
Mute
2
Control Port
MCLK_INT
Clock Divider
Synchronizer
Level Shifters
4
Synchronous
SRC
Audio
Serial Port
RESET
DMIC1_SCLK
Control
SYNC MCLK
Serial Port
VP
DMIC2_SCLK
Port
MUTE
http://www.cirrus.com
Copyright ï£ Cirrus Logic, Inc. 2013â2015
(All Rights Reserved)
DS992F2
MAR '15
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