Audio ADC. ES7242 Datasheet

ES7242 ADC. Datasheet pdf. Equivalent

ES7242 Datasheet
Recommendation ES7242 Datasheet
Part ES7242
Description High Performance Stereo Audio ADC
Feature ES7242; ES7242 High Performance Stereo Audio ADC FEATURES • High performance multi-bit delta-sigma audio A.
Manufacture Everest Semiconductor
Datasheet
Download ES7242 Datasheet




Everest Semiconductor ES7242
ES7242
High Performance Stereo Audio ADC
FEATURES
High performance multi-bit delta-sigma
audio ADC
100 dB signal to noise ratio
-85 dB THD+N
3 Vpp analog input
24-bit, 8 to 200 kHz sampling frequency
I2S/PCM master or slave serial data port
Support TDM
256/384Fs, USB 12/24 MHz and other
non standard audio system clocks
Low power standby mode
APPLICATIONS
Soundbar
Audio Interface
Digital TV
A/V Receiver
DVR
NVR
ORDERING INFORMATION
ES7242 -40°C ~ +85°C
QFN-24
BLOCK DIAGRAM
AINL1/AINL2/AINL3/AINL4
AINR1/AINR2/AINR3/AINR4
MUX
Multi-bit
Delta-sigma
Modulator
DSP
Clock Manager
Sample Rate Detector
MCLK
TDMIN
Audio
Data
Interface
SDOUT
SCLK
LRCK
I2C
Interface
CCLK CDATA AD0 AD1
1



Everest Semiconductor ES7242
Everest Semiconductor
Confidential
1. PIN OUT AND DESCRIPTION
MCLK
VDDP
TDMIN
SDOUT
GNDD
VDDD
1
2
3
4
5
6
ES7242
18 REFP
17 GNDA
16 VDDA
15 AINR1
14 REFQ
13 AINL1
ES7242
Pin Name
CCLK, CDATA
AD0, AD1
MCLK
SCLK
LRCK
TDMIN
SDOUT
AINL1, AINR1
AINL2, AINR2
AINL3, AINR3
AINL4, AINR4
VDDP
VDDD/GNDD
VDDA/GNDA
REFP
REFQ
Pin number
24, 23
22, 9
1
7
8
3
4
13, 15
12, 19
11, 20
10, 21
2
6, 5
16, 17
18
14
Input or Output
I/O
I
I
I/O
I/O
I
O
I
I
I
I
O
O
Pin Description
I2C clock and data
I2C addresses
Master clock
Serial data bit clock
Serial data left and right channel frame clock
TDM data in
Serial data output
Analog left and right inputs
Power supply for the digital input and output
Digital power supply
Analog power supply
Filtering capacitor connection
Filtering capacitor connection
Revision 7.0
2
May 2018



Everest Semiconductor ES7242
Everest Semiconductor
Confidential
2. TYPICAL APPLICATION CIRCUIT
ES7242
For best performance,decoupling and filter capacitor should be located as close to the device package as possible
IIC 33R
33R
100nF
10uF
0R
AVDD(+3V3)
CPU/DSP
IIS
PVDD(+3V3)
DVDD(+3V3)
100pF 100pF
1
7
8
3
4
MCLK
SCLK
LRCK
TDMIN
SDOUT
5 GNDD
2 VDDP
6 VDDD
AGND AGND
Everest
ES7242
AINR4
AINR3
AINR2
AINR1
AINL1
AINL2
AINL3
AINL4
21
20
19
15
13
12
11
10
4.7uF
4.7uF
4.7uF
4.7uF
4.7uF
4.7uF
4.7uF
4.7uF
RIN4
RIN3
RIN2
RIN1
LIN1
LIN2
LIN3
LIN4
100nF
100nF
AGNDAGND
0R 10uF 10uF
AGND
AGND AGND
Revision 7.0
3
May 2018





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