AK2301A PDF даташит
Спецификация AK2301A изготовлена «Asahi Kasei Microsystems» и имеет функцию, называемую «3.3V Single channel PCM CODEC LSI». |
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Детали детали
Номер произв | AK2301A |
Описание | 3.3V Single channel PCM CODEC LSI |
Производители | Asahi Kasei Microsystems |
логотип |
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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
CONTENT
ITEMS
PAGE
- BLOCK DIAGRAM…………………………………… 1
- PIN CONDITION……………………………………… 3
- PIN FUNCTION……………………………………….. 4
- ABSOLUTE MAXIMUM RATINGS………………… 5
- RECOMMENDED OPERATING CONDITIONS…...5
- ELECTRICAL CHARACTERISTICS………………...5
- PACKAGE INFORMATION…………………………. 10
- PIN ASSIGNMENT…………………………………… 11
- MARKING……………..………………………………. 11
- CIRCUIT DESCRIPTION….………………………. 12
- FUNCTIONAL DESCRIPTION……………………… 13
- PCM CODEC………….…………………………. 13
- PCM INTERFACE…………...…………………... 14
- Long Frame / Short Frame…....……………... 14
- MUTE……………………………….…………….. 16
- RESET SEQUENCE……………………….……. 17
- Universal op-amps……………………………. 18
- APPLICATION CIRCUIT EXAMPLE ……………….19
AK2301A
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ASAHI KASEI
AK2301A
PIN CONDITION
Pin#
Name I/O Pin type
AC load
(MAX.)
DC load
(MIN.)
Output
status
(mute)
Remarks
15 VFTN
16 VFTP
14 GST
7 GSR
8 VFR
9 VR
6 VDD
19 VSS
5 FS
3 BCLK
2 DX
4 DR
23 MUTEN
22 RSTN
18
VREF
20
PLLC
I Analog
I Analog
O Analog
O Analog
I Analog
O Analog
-
-
I CMOS
I CMOS
O CMOS
I CMOS
I CMOS
I CMOS
O Analog
O Analog
17
TAGND
11 AMP2I
O Analog
I Analog
50pF
40pF
40pF
AC load
10kΩ (*1)
AC load
8kΩ (*1)
AC load
8KΩ (*1)
Analog
ground
50pF
Hi-Z
- External
capacitance
1.0µF or more
- External
capacitance
0.33µF±40%
(Includes
temperature
characteristic)
- External
capacitance
1.0µF or more
- 150uA load max
12 AMP1I
I Analog
13 AMP1O
O Analog
40pF
AC load
8kΩ (*1)
10 AMP2O
O Analog
40pF
AC load
8kΩ (*1)
21 Test1
I CMOS
-
- - - Tie to the VSS
24 Test2
I CMOS
-
- - - Tie to the VSS
1 Test3
I CMOS
-
- - - Tie to the VSS
*1) AC load is a load against AGND. This value includes a feedback resistance of input/output op -amp.
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Номер в каталоге | Описание | Производители |
AK2301A | 3.3V Single channel PCM CODEC LSI | Asahi Kasei Microsystems |
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