ACS422A68TAGZBX8 IDT, ACS422A68TAGZBX8 Datasheet - Page 8

• Manufacturer Part Number: ACS422A68TAGZBX8
• Description: Interface - CODECs
• Manufacturer: IDT

Specifications of ACS422A68TAGZBX8

• Rohs: yes
• Part # Aliases: IDTACS422A68TAGZBX8

ACS422x68
LOW-POWER, HIGH-FIDELITY, INTEGRATED CODEC
©2011 INTEGRATED DEVICE TECHNOLOGY, INC.
1. OVERVIEW
ADCLRCLK
ADCBCLK
DACLRCLK
DACBCLK
ADCOUT
I2C_SDA
I2C_SCL
HP_DET
DACIN
TEST
MCLK
1.1.
The ACS422x68 is an advanced low power codec with integrated amplifiers and timing generators. To support the
design of audio subsystems in a portable device, the ACS422x68 features an intelligent codec architecture with
advanced audio processing algorithms, integrated with a true cap-less headphone amplifier, 1W/channel (8) or
2W/channel (4) filterless DDX
Clocking
Block Diagrams
Control
PLL
Processing
Processing
Audio
Audio
Bass/Treble Enhancement
Dynamic Range Expander
Audio Processing
Compressor-limiter
SPEAKER EQ
SYSTEM EQ
3-D effect
VDD_XTAL
VDD_PLL2
Internal Audio Clock(s)
mute
mute
VDD_PLL3
VSS_PLSS
-97 to +30 dB
In 0.5 dB steps
-97 to +30 dB
In 0.5 dB steps
TM
VOL
VOL
DAC Right
DAC Left
stereo class D amplifier, and microphone interface with programmable gain.
VDD_PLL1
Figure 1. ACS422x68 TLA Block Diagram
VDD_PLSS
ADCR
ADCL
VSS_XTAL
Automatic Level Control
DVDD_CORE
DVDD_IO
-17 to +30dB in 0.75dB steps
-17 to +30dB in 0.75dB steps
D2S
AGC
AGC
8
CPVDD
DVSS
Charge-Pump
+0/+10/+20/+30 dB
+0/+10/+20/+30 dB
D2S
CAP+
+
-
Boost
Boost
AVSS
CAP-
DAC Right
DAC Left
2
3
V-
2
CPGND
LIN1
LIN2
RIN1
RIN2
AVDD
3
PVSS
S
PVDD
4
4
Volume
Volume
Digital
Digital
RIN1
RIN2
RIN3
LIN1
LIN2
LIN3
D2S
D2S
vol
vol
DAC
DAC
AGND
Digital PWM
Digital PWM
controller
controller
Vref
Anti-
Anti-
pop
pop
+
-
*Digital Microphone Products
BTL
BTL
HP
HP
MIC Bias
LIN1
LIN2
LIN3/DMIC_CLK*
RIN1
RIN2
RIN3/DMIC_DAT*
Vref
AFILT1
AFILT2
ACS422X68
V1.6 01/13
HP Out Left
HP Out Right
Class D Left+
Class D Left-
Class D Right+
Class D Right-