AD1886A Datasheet PDF - Analog Devices
| Part Number | AD1886A | |
| Description | AC97 SoundMAX Codec | |
| Manufacturers | Analog Devices | |
| Logo |  |
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There is a preview and AD1886A download ( pdf file ) link at the bottom of this page. Total 28 Pages | ||
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a
AC’97 SoundMAX® Codec
AD1886A
AC’97 2.1 FEATURES
Variable Sample Rate Audio
Multiple Codec Configuration Options
External Audio Power-Down Control
AC’97 FEATURES
AC’97 2.2 Compliant
Greater than 90 dB Dynamic Range
Stereo Headphone Amplifier
Multibit ⌺-⌬ Converter Architecture for Improved S/N
Ratio Greater than 90 dB
16-Bit Stereo Full-Duplex Codec
Four Analog Line-Level Stereo Inputs for:
LINE-IN, CD, VIDEO, and AUX
Two Analog Line-Level Mono Inputs for Speakerphone
and PC BEEP
Mono MIC Input w/Built-In 20 dB Preamp, Switchable
from Two External Sources
High-Quality CD Input with Ground Sense
Stereo Line Level Outputs
Mono Output for Speakerphone or Internal Speaker
Power Management Support
48-Terminal LQFP Package
ENHANCED FEATURES
20-Bit SPDIF Output w/32 kHz, 44.1 kHz, and 48 kHz
Symbol Rates
Full Duplex Variable Sample Rates from 7040 Hz to
48 kHz with 1 Hz Resolution
Jack Sense Pins Provide Automatic Output Switching
Software-Enabled VREFOUT Output for Microphones and
External Power Amp
Split Power Supplies (3.3 V Digital/5 V Analog)
Mobile Low-Power Mixer Mode
Extended 6-Bit Master Volume Control
Extended 6-Bit Headphone Volume Control
Digital Audio Mixer Mode
Phat™ Stereo 3D Stereo Enhancement
FUNCTIONAL BLOCK DIAGRAM
ID0 ID1
JS
SPDIF
VREFOUT
MIC1
MIC2
LINE
AUX
CD
VIDEO
PHONE_IN
MONO_OUT
HP_OUT_L
LINE_OUT_L
VREF
0dB/
20dB
CHIP SELECT
JACK SENSE
MV
MV
MV
⌺⌺
G G GG G G
A ⌺ A AA A A
M M MM M M
PHAT
STEREO
⌺
⌺⌺⌺⌺⌺
AD1886A
SPDIF
OUT
PGA
16-BIT
⌺-⌬ A/D
CONVERTER
PGA
16-BIT
⌺-⌬ A/D
CONVERTER
SAMPLE
RATE
GENERATORS
G 16-BIT
A
⌺-⌬ D/A
⌺
M CONVERTER
RESET
SYNC
BIT_CLK
SDATA_OUT
SDATA_IN
LINE_OUT_R
MV
PHAT
STEREO
⌺
⌺ ⌺⌺ ⌺⌺
G 16-BIT
A ⌺-⌬ D/A
M CONVERTER
HP_OUT_R
PC_BEEP
MV
A G = GAIN
M A = ATTENUATE
M = MUTE
OSCILLATOR
XTAL_OUT
XTAL_IN
SoundMAX is a registered trademark and Phat is a trademark of Analog Devices, Inc.
⌺
REV. 0
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties that
may result from its use. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 2001
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AD1886A
TIMING PARAMETERS (GUARANTEED OVER OPERATING TEMPERATURE RANGE)
Parameter
Symbol
Min
RESET Active Low Pulsewidth
RESET Inactive to BIT_CLK Startup Delay
SYNC Active High Pulsewidth
SYNC Low Pulsewidth
SYNC Inactive to BIT_CLK Startup Delay
BIT_CLK Frequency
BIT_CLK Period
BIT_CLK Output Jitter*
BIT_CLK High Pulsewidth
BIT_CLK Low Pulsewidth
SYNC Frequency
SYNC Period
Setup to Falling Edge of BIT_CLK
Hold from Falling Edge of BIT_CLK
BIT_CLK Rise Time
BIT_CLK Fall Time
SYNC Rise Time
SYNC Fall Time
SDATA_IN Rise Time
SDATA_IN Fall Time
SDATA_OUT Rise Time
SDATA_OUT Fall Time
End of Slot 2 to BIT_CLK, SDATA_IN Low
Setup to Trailing Edge of RESET (Applies to SYNC, SDATA_OUT)
Rising Edge of RESET to HI-Z Delay
Propagation Delay
RESET Rise Time
Output Valid Delay from Rising Edge of BIT_CLK to SDI Valid
tRST_LOW
tRST2CLK
tSYNC_HIGH
tSYNC_LOW
tSYNC2CLK
tCLK_PERIOD
tCLK_HIGH
tCLK_LOW
tSYNC_PERIOD
tSETUP
tHOLD
tRISECLK
tFALLCLK
tRISESYNC
tFALLSYNC
tRISEDIN
tFALLDIN
tRISEDOUT
tFALLDOUT
tS2_PDOWN
tSETUP2RST
tOFF
162.8
162.8
32.56
32.56
5
5
2
2
2
2
2
2
2
2
0
15
*Guaranteed but not tested.
Specifications subject to change without notice.
Typ Max
1.0
1.3
19.5
12.288
81.4
42
38
48.0
20.8
2.5
750
48.84
48.84
46
46
46
46
46
46
46
46
1.0
25
15
50
15
Unit
µs
ns
ms
µs
ns
MHz
ns
ps
ns
ns
kHz
µs
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
ns
ns
ns
ns
ns
REV. 0
–5–
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for AD1886A electronic component. |
| Information | Total 28 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ AD1886A.PDF Datasheet ] | |
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