AK5353VT AKM Semiconductor, Inc., AK5353VT Datasheet

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AK5353VT

Manufacturer Part Number
AK5353VT
Description
Manufacturer
AKM Semiconductor, Inc.
Datasheet

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ASAHI KASEI
The AK5353 is a stereo A/D Converter with wide sampling rate of 4kHz 96kHz and is suitable for
multimedia audio system. The AK5353 achieves high accuracy and low cost by using Enhanced dual bit
ended. The audio interface has two formats (MSB justified, I
Karaoke, surround.
M0067-E-00
techniques. The AK5353 requires no external components because the analog inputs are single-
VCOM
VREF
AINR
AINL
o Stereo
o On-Chip Digital Anti-Alias Filtering
o Single-ended Input
o Digital HPF for DC-Offset cancel
o S/(N+D): 84dB@5V, 80dB@3V for 48kHz
o DR:
o S/N:
o Sampling Rate Ranging from 4kHz to 96kHz
o Master Clock:
o Low Power Dissipation: 70mW
o Small 16pin TSSOP Package
o Power Supply: 2.7 5.5V ( 48kHz)
o Ta=-40 85 C
o Input level: TTL/CMOS selectable
o Output format: 24bit MSB justified / I
96kHz 24Bit
TST
Voltage Reference
VA
Modulator
Modulator
256fs/384fs/512fs ( 48kHz)
256fs/384fs
AGND
96dB@5V, 92dB@3V for 48kHz
96dB@5V, 92dB@3V for 48kHz
ADC
GENERAL DESCRIPTION
VD
4.5 5.5V ( 96kHz)
FEATURES
DGND
Decimation
Decimation
- 1 -
ADC with Single–ended Input
( 96kHz)
Filter
Filter
PD
2
S) and can correspond to many systems like
2
S selectable
Clock Divider
Serial I/O
Interface
MCLK
DIF
TTL
AK5353
LRCK
SCLK
SDTO
[AK5353]
1999/06

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AK5353VT Summary of contents

Page 1

ASAHI KASEI 96kHz 24Bit The AK5353 is a stereo A/D Converter with wide sampling rate of 4kHz 96kHz and is suitable for multimedia audio system. The AK5353 achieves high accuracy and low cost by using Enhanced dual bit techniques. The ...

Page 2

... ASAHI KASEI n Ordering Guide AK5353VT -40 +85 C AKD5353 Evaluation Board n Pin Layout AINR 1 AINL 2 VREF 3 VCOM 4 AGND DGND 8 M0067-E-00 16pin TSSOP Top View [AK5353] TST TTL DIF PDN SCLK MCLK LRCK SDTO 1999/06 ...

Page 3

ASAHI KASEI No. Pin Name I/O 1 AINR I Rch Analog Input Pin 2 AINL I Lch Analog Input Pin 3 VREF O Voltage Reference Output Pin Normally connected to AGND with a 0.1uF ceramic capacitor in parallel with an ...

Page 4

ASAHI KASEI (AGND, DGND=0V; Note 1) Parameter Power Supplies Analog (VA pin) Digital (VD pin) |AGND-DGND| Input Current (any pins except for supplies) Analog Input Voltage (AINL, AINR pins) Digital Input Voltage Ambient Temperature Storage Temperature Note:1. All voltages with ...

Page 5

ASAHI KASEI (Ta=25 C; VA,VD=5V; fs=48kHz; I/F format=Mode 0; Signal Frequency =1kHz; Measurement band width=20Hz 20kHz; unless otherwise specified) Parameter ADC Analog Input Characteristics: Analog source impedance=470 Resolution S/(N+D) (-1dBFS) (Note 4) fs=48kHz, VA=5V fs=48kHz, VA=3V fs=96kHz, VA=5V DR (-60dBFS) ...

Page 6

ASAHI KASEI FILTER CHARACTERISTICS (fs=48kHz) (Ta=25 C; VA,VD=2.7 5.5V; fs=48kHz) Parameter Digital Filter (Decimation LPF) Passband (Note 10) 0.1dB -0.2dB -1.0dB -3.0dB Stopband Stopband Attenuation Group Delay Distortion Group Delay Digital Filter (HPF) Frequency Response -0.5dB -0.1dB Note:10. ...

Page 7

ASAHI KASEI DIGITAL CHARACTERISTICS (CMOS level input) (Ta=25 C; VA,VD=2.7 5.5V; TTL Parameter High-Level input voltage Low-Level input voltage High-Level output voltage (Iout= -100 A) Low-Level output voltage (Iout= 100 A) Input leakage current (exclude TST pin) DIGITAL ...

Page 8

ASAHI KASEI SWITCHING CHARACTERISTICS (VA,VD=4.5 5.5V) (Ta=25 C; VA,VD=4.5 5.5V; C =20pF) L Parameter Control Clock Frequency Master Clock 256fs: Pulse Width Low Pulse Width High 384fs: Pulse Width Low Pulse Width High 512fs: Pulse Width Low Pulse Width High ...

Page 9

ASAHI KASEI SWITCHING CHARACTERISTICS (VA,VD=2.7 4.5V) (Ta=25 C; VA,VD=2.7 4.5V; C =20pF) L Parameter Control Clock Frequency Master Clock 256fs: Pulse Width Low Pulse Width High 384fs: Pulse Width Low Pulse Width High 512fs: Pulse Width Low Pulse Width High ...

Page 10

ASAHI KASEI n Timing Diagram MCLK LRCK SCLK LRCK tSHLR SCLK tDLR SDTO tPDW PDN SDTO M0067-E-00 1/fCLK tCLKH tCLKL 1/fs tSLK tSLKH tSLKL Clock Timing tLRSH Serial Interface Timing tPWV Power-down & Reset Timing - 10 - [AK5353] VIH ...

Page 11

ASAHI KASEI n System Clock Input The external clocks which are required to operate the AK5353 are MCLK(256fs/384fs/512fs), LRCK(1fs), SCLK. MCLK should be synchronized with LRCK but the phase is not critical. When 384fs or 512fs clock is input to ...

Page 12

ASAHI KASEI LRCK SCLK SDTO 23:MSB, 0:LSB Lch Data LRCK SCLK SDTO 23:MSB, 0:LSB M0067-E- ...

Page 13

ASAHI KASEI n Power down The AK5353 is placed in the power-down mode by bringing PDN L and the digital filter is also reset at the same time. This reset should always be done after power-up. In the power-down mode, ...

Page 14

ASAHI KASEI Figure 4 shows the system connection diagram. An evaluation board is available which demonstrates application circuits, the optimum layout, power supply arrangements and measurement results. 4.7u 470 Rch In + 2.2n 4.7u 470 Lch In + 2.2n 4.7u ...

Page 15

ASAHI KASEI 1. Grounding and Power Supply decoupling The AK5353 requires careful attention to power supply and grounding arrangements. VA and VD are usually supplied from analog supply in system. Alternatively if VA and VD are supplied separately, the power ...

Page 16

ASAHI KASEI 16pin TSSOP (Unit: mm) *5 0.22 0.1 Seating Plane NOTE: Dimension "*" does not include mold flash. n Package & Lead frame material Package molding compound: Lead frame material: Lead frame surface treatment: M0067-E-00 PACKAGE 9 ...

Page 17

ASAHI KASEI These products and their specifications are subject to change without notice. Before considering any use or application, consult the Asahi Kasei Microsystems Co., Ltd. (AKM) sales office or authorized distributor concerning their current status. AKM assumes no liability ...

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