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PDF AD1882 Data sheet ( Hoja de datos )
| Número de pieza | AD1882 | |
| Descripción | High Definition Audio SoundMAX Codec | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AD1882 (archivo pdf) en la parte inferior de esta página. Total 16 Páginas | ||
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FEATURES
Six 96 kHz DACs
Three independent stereo DAC pairs
Independent 8, 11.025, 16, 22.05, 32, 44.1,
48, 88.2, and 96 kHz sample rates
16-, 20-, and 24-bit PCM resolution
www.DataSheeSt4eUle.cotamble stereo mixer on outputs
Four 96 kHz ADCs
Two independent stereo ADC pairs
Simultaneous record of up to four channels
Independent 8, 11.025, 16, 22.05, 32, 44.1,
48, 88.2, and 96 kHz sample rates
16-, 20-, and 24-bit resolution
S/PDIF OUTPUT
Supports 44.1, 48, 88.2, and 96 kHz sample rates
16-, 20-, and 24-bit data widths; PCM and AC3 formats
Digital PCM gain control
High Definition Audio
SoundMAX Codec
AD1882
DEDICATED AUXILIARY PINS
Stereo CD input w/GND sense
Mono out pin for internal speakers or telephony
Analog PCBeep input pin
ENHANCED FEATURES
Two stereo headphone amplifiers
Microsoft Vista Premium logo for notebook and desktop
95 dB audio outputs, 90 dB audio inputs
Internal 32-bit arithmetic for greater accuracy
Impedance and presence detection on all jack pins
Digital synthesis PCBeep
C/LFE channel swapping
Two general-purpose digital I/O (GPIO) pins
Advanced power management modes
EAPD control for internal speakers
48-lead, Pb-free LFCSP_VQ package
DIGITAL
BEEP
DAC0
H
D DAC1
A DAC2
U
D
I
O
I
N
T
E
R
F ADC0
A
C
E
⌺
ADC1
⌺
⌺ HP
⌺
⌺
⌺ HP
⌺
⌺
AD1882
PORT F
PORT D
PORT G
MONO OUT
PORT A
PORT C
PORT E
PCBEEP
PORT B
CD IN
Figure 1. AD1882 Block Diagram
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.
Specifications subject to change without notice. No license is granted by implication
or otherwise under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective owners.
One Technology Way, P.O.Box 9106, Norwood, MA 02062-9106 U.S.A.
Tel:781.329.4700
www.analog.com
Fax:781.461.3113
©2007 Analog Devices, Inc. All rights reserved.
1 page  
Table 4. AD1882 General Specifications (Continued)
Parameter
DIGITAL TO ANALOG CONVERTERS
Resolution
Gain Error (Full Scale Span Relative to Nominal Input Voltage)1
Interchannel Gain Mismatch (Difference of Gain Errors)
Total Audible Out-of-Band Energy (Measured from 0.6 × fS to 100 kHz)1
DAC Crosstalk
(Input L, Zero R, Read R_OUT; Input R, Zero L, Read L_OUT)1
DAC VOLUMES
Step size (DAC-0, DAC-1, DAC-2)
Output Gain/Attenuation Range
www.DataSheet4UM.cuotme Attenuation of 0 dB Fundamental1
ADC VOLUMES
Step size (ADCSEL-0, ADCSEL-1)
PGA Gain/Attenuation Range
Mute Attenuation of 0 dB Fundamental1
ANALOG MIXER
Signal-to-Noise Ratio (SNR) Input to Output
CD to Port D Output
Port B, C, or E to Port D Output
Port A to Port D Output
Port D to Port A Output
Step Size: All Mixer Inputs
Input Gain/Attenuation Range: All Mixer Inputs
ANALOG LINE LEVEL OUTPUTS
Full-Scale Output Voltage
Ports C, E, F, and G Mono Out
Output Impedance1
External Load Impedance1
Output Capacitance1
External Load Capacitance
ANALOG HP DRIVE OUTPUTS
Full-Scale Output Voltage
Ports A and D
Output Impedance1
External Load Impedance1
Output Capacitance1
External Load Capacitance1
ANALOG INPUTS
CD, Port D (When Used as Input)
Microphone Boost Amplifier, Ports B, C, or E Boost = 0 dB
(When Used as Inputs)
Boost = 10 dB
Boost = 20 dB
Boost = 30 dB
Input Impedance1
Input Capacitance1
AD1882
Min
–58.5
–58.5
–34.5
1.0
2.83
10
1.0
2.83
32
Typ Max
24
±10
±0.5
–85
–95
1.5
0
–80
1.5
+22.5
–80
95
95
95
95
95
1.5
+12.0
1.0
300
15
1000
15
1
2.83
1
2.83
0.316
0.894
0.1
0.283
0.032
0.089
20
5
0.5
1000
7.5
Unit
Bits
%
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
V rms3
V p-p
Ω
kΩ
pF
pF
V rms3
V p-p
Ω
Ω
pF
pF
V rms3
V p-p
V rms3
V p-p
V rms3
V p-p
V rms3
V p-p
V rms3
V p-p
kΩ
pF
Rev. 0 | Page 5 of 16 | July 2007
5 Page 
AD1882
HD AUDIO WIDGETS
In the following table, node IDs that are not shown are reserved
for future use.
Table 9. HD Audio Widgets
Node ID
00
01
02
03
04
www.DataSheet045U.com
08
09
0B
0C
0D
10
11
12
13
14
15
16
17
18
19
1A
1B
1D
1E
20
21
22
23
24
26
27
29
2A
2C
2D
2F
37
39
3A
3C
Name
ROOT
FUNCTION
S/PDIF DAC
DAC_0
DAC_1
DAC_2
ADC_0
ADC_1
S/PDIF Mix Selector
ADC Selector 0
ADC Selector 1
Digital Beep
Port A (Headphone)
Port D (Front L/R)
Mono Out
Port B (Front Mic)
Port C (Line In)
Port F (Surr Back)
Port E (Rear Mic)
CD In
Mixer Power Down
Analog PCBeep
S/PDIF Out
S/PDIF Mixer
Mono Out Mixer
Analog Mixer
Mixer Output Atten
Port A Mixer
VREF Power Down
Port G (C/LFE)
Port E Mixer
Port G Mixer
Port D Mixer
Port F Mixer
Port C Mixer
Stereo Mix Down
BIAS Power Down
Port A Out Selector
Port B Boost
Port C Boost
Port E Boost
Type ID
x
x
0
0
0
0
1
1
3
3
3
7
4
4
4
4
4
4
4
4
5
4
4
2
2
2
3
2
F
4
2
2
2
2
2
2
F
3
3
3
3
Type
Root
Function
Audio Output
Audio Output
Audio Output
Audio Output
Audio Input
Audio Input
Audio Selector
Audio Selector
Audio Selector
Beep Generator
Pin Complex
Pin Complex
Pin Complex
Pin Complex
Pin Complex
Pin Complex
Pin Complex
Pin Complex
Power Widget
Pin Complex
Pin Complex
Audio Mixer
Audio Mixer
Audio Mixer
Audio Selector
Audio Mixer
Vendor Defined
Pin Complex
Audio Mixer
Audio Mixer
Audio Mixer
Audio Mixer
Audio Mixer
Audio Mixer
Vendor Defined
Audio Selector
Audio Selector
Audio Selector
Audio Selector
Description
Device Identification
Designates this Device as an Audio Codec
S/PDIF Digital Stream Output Interface
Headphone/Surround Side (7.1) Channel Digital/Audio Converters
Stereo Front Channel Digital/Audio Converters
Stereo C/LFE Channel Digital/Audio Converters
Stereo Record Channel 1 Audio/Digital Converters
Stereo Record Channel 2 Audio/Digital Converters
Selects which ADC Drives the S/PDIF Mixer
Selects and Amplifies/Attenuates the Input to ADC_0
Selects and Amplifies/Attenuates the Input to ADC_1
Internal Digital PCBeep Signal
Front Panel Headphone/Microphone Jack
Rear Panel Front/Headphone Jack
Monorail Output Pin (Internal Speakers or Telephony System)
Front Panel Microphone/Headphone Jack
Rear Panel Line-In Jack
Rear Panel Surround-Rear (5.1) Jack
Rear Panel Mic Jack
Analog CD Input
Powers Down the Analog Mixer and Associated Amps
External Analog PCBeep Signal Input
S/PDIF Output Pin
Mixes the Selected ADC with the Digital Stream to Drive S/PDIF Out
Selects Which Source Drives the Mono Out Signal
Mixes Individually Gainable Analog Inputs
Attenuates the Mixer Output to Drive the Port Mixers
Mixes the Port A Selected DAC and Mixer Output Amps to Drive Port A
Powers Down the Internal and External VREF Circuitry
Rear Panel C/LFE Jack
Mixes DAC_1 and Mixer Output Amps to Drive Port E
Mixes DAC_1 and Mixer Output Amps to Drive Port G
Mixes DAC_0 and Mixer Output Amps to Drive Port D
Mixes DAC_2 and Mixer Output Amps to Drive Port F
Mixes the Port C Selected DAC and Mixer Output Amps to Drive Port C
Mixes the Stereo L/R Channels to Drive Mono Output
Powers Down the Internal MIC_BIAS_FILT and all MIC_BIAS Pins
Selects the Port A DAC (0, 1)
Microphone Boost Amp for Port B
Microphone Boost Amp for Port C
Microphone Boost Amp for Port E
Rev. 0 | Page 11 of 16 | July 2007
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet AD1882.PDF ] | |
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