ak5393 AKM Semiconductor, Inc., ak5393 Datasheet

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ak5393

Manufacturer Part Number
ak5393
Description
Enhanced Dual Bit ?? 96khz 24-bit Adc
Manufacturer
AKM Semiconductor, Inc.
Datasheet

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Part Number:
ak5393VS-E2
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ASAHI KASEI
The AK5393 is a 24bit, 128x oversampling 2ch A/D Converter for professional digital audio systems. The
modulator in the AK5393 uses the new developed Enhanced Dual Bit architecture. This new architecture
achieves the wide dynamic range, while keeping much the same superior distortion characteristics as
conventional Single Bit way. The AK5393 performs 117dB dynamic range, so the device is suitable for
professional studio equipment such as digital mixer, digital VTR etc.
M0038-E-04
VCOMR
VCOML
VREFR
VREFL
AINR-
AINR+
GNDR
AINL+
GNDL
AINL-
ZCAL
26
28
1
2
3
5
6
25
24
27
4
VA
p Enhanced Dual Bit ADC
p Sampling Rate: 1kHz~108kHz
p Full Differential Inputs
p S/(N+D): 105dB
p DR: 117dB
p S/N: 117dB
p High Performance Linear Phase Digital Anti-Alias filter
p Digital HPF & Offset Calibration for Offset Cancel
p Power Supply: 5V 5%(Analog), 3~5.25V(Digital)
p Power Dissipation: 470mW
p Package: 28pin SOP
p AK5392 Pin compatible
23
AGND
Delta-Sigma
Modulator
Delta-Sigma
Modulator
Voltage
Reference
Voltage
Reference
Passband: 0~21.768kHz(@fs=48kHz)
Ripple: 0.001dB
Stopband: 110dB
22
BGND
Enhanced Dual Bit
GENERAL DESCRIPTION
21
SMODE1
12
FEATURES
SMODE2
Filter
Decimation
Filter
Decimation
CAL
Controller
- 1 -
9
11
RST
SCLK
10
Serial Output
Interface
14
LRCK
HPF
HPF
13
VD
Calibration
7
SRAM
96kHz 24-Bit ADC
FSYNC
16
DGND
8
15
19
17
18
AK5393
HPFE
MCLK
DFS
SDATA
[AK5393]
2000/4

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ak5393 Summary of contents

Page 1

... ASAHI KASEI The AK5393 is a 24bit, 128x oversampling 2ch A/D Converter for professional digital audio systems. The modulator in the AK5393 uses the new developed Enhanced Dual Bit architecture. This new architecture achieves the wide dynamic range, while keeping much the same superior distortion characteristics as conventional Single Bit way ...

Page 2

... RST 10 SMODE2 11 SMODE1 12 LRCK 13 SCLK 14 n Compatibility with AK5392 Pin 18 fs (max) MCLK (DFS ="L"@fs=48kHz) MCLK (DFS ="H"@fs=96kHz) M0038-E-04 –10 ~ +70 C 28pin SOP AK5393 Evaluation Board Top View AK5392 AK5393 ...

Page 3

... L L Slave mode L H Master mode : Similar Slave mode H H Master mode : I LRCK goes "H" at SMODE2="L" and "L" at SMODE2="H" during reset when SMODE1 "H" [AK5393] LRCK : MSB justified : L/H 2000/4 ...

Page 4

... DFS="L", 128fs at DFS="H". "L": Normal Speed "H": Double Speed "L": Disable "H": Enable Should be connected to GND. Normally connected to GNDR with a 10µF electrolytic capacitor and a 0.1µF ceramic capacitor - 4 - [AK5393 mode, FSYNC is 2000/4 ...

Page 5

... The power up sequence between VA and VD is not critical. * AKM assumes no responsibility for the usage beyond the conditions in this data sheet. M0038-E-04 ABSOLUTE MAXIMUM RATINGS Symbol VA VD GND IIN VINA VIND Ta Tstg Symbol min VA 4. [AK5393] min max Units -0.3 6.0 V -0 -0.3 VA+0.3 V -0.3 VD+0 ...

Page 6

... Units 24 Bits 0.5 dB 150 ppm/ C 1000 LSB 24 LSB 24 - LSB / 2 130 680 mW dB ...

Page 7

... SA 110 GD GD -3dB FR -0.1dB Symbol min 52.464 PR SA 110 GD GD -3dB FR -0.1dB 21.768kHz, where n=1,2,3···). 43.536kHz, where n=1,2,3···). - 7 - [AK5393] typ max Units 21.768 kHz kHz 0.001 38.7 1/fs 1.0 Hz 6.5 Hz typ max Units 43.536 kHz kHz 0.003 ...

Page 8

... Units - - V - 30% 0 µA typ max Units 12.288 13.824 MHz ns ns 6.144 6.912 MHz 48 108 ...

Page 9

... SDATA LRCK tSLR SCLK SDATA Serial Data Timing (I M0038-E-04 tSLKL tDLR MSB MSB-1 tSF tDSS MSB D1 Serial Data Timing (Slave Mode) tSLKL tDSS MSB 2 S Slave Mode, FSYNC = Don't Care [AK5393] tSLK tSLKH tDSS MSB-2 tSF D0 tSLK tSLKH tDSS MSB-1 2000/4 ...

Page 10

... ASAHI KASEI LRCK tSLR SCLK FSYNC tLRF SDATA Serial Data Timing (Master Mode & I RST CAL SDATA M0038-E-04 tSF tDSS MSB-1 MSB 2 S Master Mode, DFS ="L") tRTW tRTV tRCF tRCR Reset & Calibration Timing - 10 - [AK5393] tSF 2000/4 ...

Page 11

... SCLK MCLK 32.0kHz 44.1kHz 48.0kHz 96.0kHz Table 2. Examples of System Clock Frequency n Serial Data Interface The AK5393 supports four serial data formats which can be selected via SMODE1 and SMODE2 pins(Table 3). The data format is MSB-first, 2's complement. Figure SMODE2 Figure 1 Figure 2 Figure 3 Figure 4 M0038-E-04 OPERATION OVERVIEW Normal(DFS =" ...

Page 12

LRCK( SCLK(i) FSYNC(i) SDATA( Lch Data FSYNC(i) SDATA( 23:MSB,0:LSB LRCK( SCLK(o) FSYNC(o) SDATA( Lch ...

Page 13

... ZCAL "H", the analog input pin voltages are measured, and with ZCAL "L", the VCOM pin voltages are measured. The CAL output is "H" during calibration. n Digital High Pass Filter The AK5393 also has a digital high pass filter for DC offset cancel. The cut-off frequency of the HPF is 1Hz at fs=48kHz and also scales with sampling rate(fs). M0038-E-04 ...

Page 14

... Analog + 0.1µ 10µ VREFR 28 VREFL GNDL GNDR VCOML VCOMR 26 4 AINL+ AINR AINL- AINR- 24 AK5393 6 ZCAL AGND 22 8 DGND BGND 21 9 CAL TEST 20 RST 10 HPFE 19 11 SMODE2 18 DFS 12 SMODE1 MCLK 17 13 LRCK FSYNC ...

Page 15

... VCOM is a common voltage of the analog signal. In order to eliminate the effects of high frequency noise, a 0.22µF ceramic capacitor should be connected as near to the VCOM pin as possible. And all signals, especially clocks, should be kept away from the VCOM pin in order to avoid unwanted coupling into the AK5393. No load current may be drawn from the VCOM pin. ...

Page 16

... Figure 7 Differential Input Buffer Example 1 Figure 8 shows an input buffer circuit example 2. (1 14dB, Table 5). The analog signal is able to input through XLR or BNC connectors. . The input level of this circuit is +/-12.4Vpp (AK5393: +/-2.45Vpp Typ.). JP1 and JP2 for XLR input) 12.4Vpp BNC ...

Page 17

... ASAHI KASEI 28pin SOP (Unit: mm) 1.095TYP 18.7 0.3 1.27 0.10 0.4 0.1 n Package & Lead frame material Package molding compound: Lead frame material: Lead frame surface treatment: M0038-E-04 PACKAGE 0.12 M Epoxy Cu Solder plate - 17 - [AK5393] +0.1 0.15-0.05 0-10 2000/4 ...

Page 18

... AKM harmless from any and all claims arising from the use of said product in the absence of such notification. M0038-E-04 MARKING AKM JAPAN AK5393VS XXXBYYYYC Lot # (X : numbers alphabet ) Data Code (Y : numbers alphabet) IMPORTANT NOTICE - 18 - [AK5393] 2000/4 ...

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