AK5386VT AKM [Asahi Kasei Microsystems], AK5386VT Datasheet

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AK5386VT

Manufacturer Part Number
AK5386VT
Description
Single-ended 24-Bit 192kHz ?? ADC
Manufacturer
AKM [Asahi Kasei Microsystems]
Datasheet

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AK5386VT
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AKM
Quantity:
20 000
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AK5386VTP-E2
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ASAHI KASEI
The AK5386 is a stereo A/D Converter with wide sampling rate of 8kHz ∼ 216kHz and is suitable for
consumer to professional audio system. The AK5386 achieves high accuracy and low cost by using
Enhanced dual bit ∆Σ techniques. The AK5386 requires no external components because the analog
inputs are single-ended. The audio interface has two formats (MSB justified, I
various systems like DVD Recorder, AV Receiver, PC Sound card and Music Instrument recording.
MS0579-E-00
Single-ended Input
Digital HPF for DC-Offset cancel
S/(N+D):
DR:
S/N:
Linear Phase Digital Anti-Alias Filtering
Master Clock: 512fs/768fs
Sampling Frequency:
Master / Slave Mode
Audio Interface: 24bit MSB justified / I
Input level: CMOS
Power Supply:
Ta = −40 ∼ 85°C
Small 16pin TSSOP Package
AK5357/58/59/81 Pin-compatible
Passband: 0 ∼ 21.768kHz (@ fs=48kHz)
Passband Ripple: ±0.005dB
Stopband Attenuation: 80dB
Normal Speed: 8kHz ∼ 54kHz
Double Speed: 54kHz ∼ 108kHz
Quad Speed:
Analog: 4.5 ∼ 5.5V
Digital: 2.7 ∼ 3.6V (Normal Speed)
110dB
110dB
96dB
GENERAL DESCRIPTION
3.0 ∼ 3.6V (Double Speed, Quad Speed)
256fs/384fs (Double Speed)
128fs/192fs (Quad Speed)
Single-ended 24-Bit 192kHz ∆Σ ADC
FEATURES
108kHz ∼ 216kHz (128fs)
8kHz ∼ 48kHz
48kHz ∼ 96kHz
96kHz ∼ 192kHz
- 1 -
(Normal Speed)
2
S selectable
(512fs)
(256fs)
(384fs)
(768fs)
(192fs)
2
S) and can correspond to
AK5386
[AK5386]
2006/12

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AK5386VT Summary of contents

Page 1

ASAHI KASEI The AK5386 is a stereo A/D Converter with wide sampling rate of 8kHz ∼ 216kHz and is suitable for consumer to professional audio system. The AK5386 achieves high accuracy and low cost by using Enhanced dual bit ∆Σ ...

Page 2

ASAHI KASEI VA AGND ∆Σ AINL Modulator ∆Σ AINR Modulator Voltage Reference VCOM CKS2 CKS1 Compatibility with AK5357, AK5358, AK5359, AK5381 and AK5386 AK5357 fs 4kHz to 96kHz S/(N+D) 88dB DR 102dB MCLK @ 48kHz 256/512/384/768fs VIH @ TTL Level ...

Page 3

... ASAHI KASEI Ordering Guide AK5386VT AKD5386 Pin Layout AINR AINL CKS1 VCOM AGND VA VD DGND No. Pin Name I/O 1 AINR I Rch Analog Input Pin 2 AINL I Lch Analog Input Pin 3 CKS1 I Mode Select 1 Pin Common Voltage Output Pin, VA/2 4 VCOM O Bias voltage of ADC input. 5 AGND ...

Page 4

ASAHI KASEI Handling of Unused Pin The unused input pins should be processed appropriately as below. Classification Analog (AGND, DGND=0V; Note 1) Parameter Power Supplies: Analog (Note 2) Digital Input Current, Any Pin Except Supplies Analog Input Voltage (AINL, AINR, ...

Page 5

ASAHI KASEI (Ta=25°C; VA=5.0V, VD=3.3V; AGND=DGND=0V; fs=48kHz, 96kHz, 192kHz; SCLK=64fs; Signal Frequency=1kHz; 24bit Data; Measurement frequency=20Hz ∼ 20kHz at fs=48kHz, 40Hz ∼ 40kHz at fs=96kHz, 40Hz ∼ 40kHz at fs=192kHz; unless otherwise specified) Parameter ADC Analog Input Characteristics: Resolution Input ...

Page 6

ASAHI KASEI FILTER CHARACTERISTICS (fs=48kHz) (Ta=−40 ∼ 85°C; VA=4.5 ∼ 5.5V; VD=2.7 ∼ 3.6V) Parameter ADC Digital Filter (Decimation LPF): (Note 8) ±0.02dB Passband −0.1dB −0.2dB −3.0dB Stopband Passband Ripple Stopband Attenuation Group Delay Distortion Group Delay (Note 9) ADC ...

Page 7

ASAHI KASEI FILTER CHARACTERISTICS (fs=192kHz) (Ta=−40 ∼ 85°C; VA=4.5 ∼ 5.5V; VD=3.0 ∼ 3.6V) Parameter ADC Digital Filter (Decimation LPF): (Note 8) ±0.1dB Passband −0.2dB −3.0dB Stopband Passband Ripple Stopband Attenuation Group Delay Distortion Group Delay (Note 9) ADC Digital ...

Page 8

ASAHI KASEI SWITCHING CHARACTERISTICS (Normal Speed) (Ta= − 40 ∼ 85 ° C; VA=4. 5 ∼ 5.5V; VD=2.7 ∼ 3.6V; C Parameter Master Clock Timing Frequency: 512fs 768fs Pulse Width Low Pulse Width High LRCK Frequency: 512fs 768fs Duty Cycle ...

Page 9

ASAHI KASEI SWITCHING CHARACTERISTICS (Double / Quad Speed) (Ta=−40 ∼ 85°C; VA=4. 5 ∼ 5.5V; VD=3.0 ∼ 3.6V; C Parameter Master Clock Timing Frequency: 128fs, 256fs 192fs, 384fs Pulse Width Low Pulse Width High LRCK Double Speed:256fs Frequency: Quad Speed: ...

Page 10

ASAHI KASEI Timing Diagram MCLK tCLKH LRCK SCLK tSCKH LRCK tSHLR SCLK tLRS SDTO MS0579-E-00 1/fCLK tCLKL 1/fs tSCK tSCKL Clock Timing tLRSH tSSD Audio Interface Timing (Slave mode [AK5386] VIH VIL VIH VIL VIH VIL VIH ...

Page 11

ASAHI KASEI LRCK tMSLR SCLK SDTO PDN tPD SDTO MS0579-E-00 dSCK tSSD Audio Interface Timing (Master mode) tPDV Power Down & Reset Timing - 11 - [AK5386] 50%VD 50%VD 50%VD VIH VIL 50%VD 2006/12 ...

Page 12

ASAHI KASEI System Clock MCLK, SCLK and LRCK (fs) clocks are required in slave mode. The LRCK clock input must be synchronized with MCLK, however the phase is not critical. Table 1 shows the relationship of typical sampling frequency and ...

Page 13

ASAHI KASEI Audio Interface Format Two kinds of data formats can be chosen with the DIF pin (Table 4). In both modes, the serial data is in MSB first, 2’s complement format. The SDTO is clocked out on the falling ...

Page 14

ASAHI KASEI Power down The AK5386 is placed in the power-down mode by bringing PDN pin “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 15

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. Rch In Lch In 2.2u + Analog 5V 10u 0.1u Digital 3.3V + ...

Page 16

ASAHI KASEI 1. Grounding and Power Supply Decoupling The AK5386 requires careful attention to power supply and grounding arrangements. To minimize coupling from digital noise, decoupling capacitors should be connected to VA and VD respectively supplied from the ...

Page 17

ASAHI KASEI 16pin TSSOP (Unit: mm) 5 0.22±0.1 Seating Plane Material & Lead finish Package molding compound: Lead frame material: Lead frame surface treatment: MS0579-E-00 PACKAGE 0.65 Detail A 0.10 Epoxy Cu Solder (Pb free) ...

Page 18

ASAHI KASEI Date (YY/MM/DD) Revision Reason 06/12/13 00 First Edition • These products and their specifications are subject to change without notice. Bef ore considering any use or application, consult the Asahi Kasei Microsystems Co., Ltd. (AKM) sales office or ...

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