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PDF AK2301A Data sheet ( Hoja de datos )
| Número de pieza | AK2301A | |
| Descripción | 3.3V Single channel PCM CODEC LSI | |
| Fabricantes | Asahi Kasei Microsystems | |
| Logotipo |  |
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ASAHI KASEI
AK2301A
AK2301A
3.3V Single channel ＰＣＭ CODEC ＬＳＩ
GENERAL DESCRIPTION
The AK2301A is a single channel PCM CODEC
for speech processing 8kHz sampling PCM data by
DSP. The AK2301A interfaces with 14bit linear
data (16bit format).
It includes Band limiting filter, A/D and D/A
converter, and universal op-amps for construction
of the output filter. All functions are provided in
small 24pin VSOP package and it is good for
reducing the mounting space.
PACKAGE
- 24pin VSOP
・Pin to pin 7.9mm x 7.6mm
・Pin pitch 0.65mm
FEATURE
- Single PCM CODEC and filtering systems
- Mute function
- PCM interface; 14bits linear data
(16bit format, serial interface)
- Long Frame / Short Frame are selected
automatically
- PCM data rate
256kHz/512kHz
- Op-Amp for the external gain adjustment
- Dual universal op-amps
- Single power supply voltage
+3.3±0.3V
- Low power consumption
- Small package
BLOCK DIAGRAM
GST
VFTN
VFTP
AMPT
VR
VFR
GSR
AMPR
AAF
A/D
SMF
D/A
CODEC Core
PCM I/F
TAGND
Internal
Main Clock
PLL
VREF
VDD
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BGREF
AK2301A
AMP1
AMP2
AMP1O
AMP1I AMP2O
AMP2I
DX
DR
FS
BCLK
PLLC
MUTEN
RSTN
TEST1
TEST2
TEST3
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ASAHI KASEI
ABSOLUTE MAXIMUM RATINGS
AK2301A
Parameter
Symbol
Min
Power supply voltage
Analog/Digital power supply
VDD
-0.3
Digital input voltage
VTD
-0.3
Analog input voltage
VTA -0.3
Input current (except power supply pins)
IIN
-10
Storage temperature
Tstg
-55
Warnig: Exceeding absolute maximum ratings may causepermanent damage.
Normal operation is not guranteed at these extermes.
Max
4.6
VDD+0.3
VDD+0.3
10
125
Units
V
V
V
ｍＡ
℃
RECOMMENDED OPERATING CONDITIONS
Parameter
Symbol
Min
Typ
Max Units
Power supply voltage
VDD
3.0 3.3 3.6
V
Analog/Digital power supply
Ambient operating temperature
Ta -40
85 ℃
Frame sync frequency *)
FS
-1.0%
8
+1.0%
kHz
Note) All voltages reference to ground: VSS = 0V
*) All the characteristics of the CODEC is definied by 8kHz FS.
ELECTRICAL CHARACTERISTICS
Unless otherwise noted, guaranteed for VDD = +3.3V±0.3V, Ta = -40～+85℃, FS=8kHz, VSS=0V
DC Characteristics
Parameter
Power Consumption
BCLK=512kHz
Output high voltage
Output low voltage
Input high voltage
Symbol
PDD1
VOH
VOL
VIH
Input low voltage
VIL
Input leakage current ILL
Anarog ground output VRG
voltage
Output leakage current ILT
Conditions
All output unloaded
*1)
IOH＝-1.6mA
IOL＝1.6mA
Tri-state mode
Min Typ Max Unit
10 15 mA
0.8VDD
0.7VDD
V
0.4 V
V
0.3VDD V
-10 +10 µA
1.4 1.5 1.6 V
-10 +10 µA
*1) VFTN/P=1020Hz@0dBm0 input, DR=1020Hz@0dBm0 Code input
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ASAHI KASEI
PIN ASSIGNMENT
24PIN VSOP
AK2301A
TEST3
DX
BCLK
DR
FS
VDD
GSR
VFR
VR
AMP2O
AMP2I
AMP1I
1
2
3
4
5
6
7
8
9
10
11
12
24 TEST2
23 MUTEN
22 RSTN
21 TEST1
20 PLLC
19 VSS
18 VREF
17 TAGND
16 VFTP
15 VFTN
14 GST
13 AMP1O
TEST1, TEST2 and TEST3 are test pins.
Please tie them to the VSS.
MARKING
(1) 1pin sign
(2) Date Code: 5digit XXXXX
(3) Marketing Code: AK2301A
(4) AKM logo
(4) AKM
(3) AK2301A
(2) XXXXX
(1)
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11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet AK2301A.PDF ] | |
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