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AD1819B 데이터시트 PDF




Analog Devices에서 제조한 전자 부품 AD1819B은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 AD1819B 자료 제공

부품번호 AD1819B 기능
기능 AC97 SoundPort Codec
제조업체 Analog Devices
로고 Analog Devices 로고


AD1819B 데이터시트 를 다운로드하여 반도체의 전기적 특성과 매개변수에 대해 알아보세요.




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AD1819B 데이터시트, 핀배열, 회로
a
AC’97 SoundPort® Codec
AD1819B
AC’97 FEATURES
Fully Compliant AC’97 Analog I/O Component
48-Terminal LQFP Package
Multibit ⌺⌬ Converter Architecture for Improved
S/N Ratio >90 dB
16-Bit Stereo Full-Duplex Codec
Four Analog Line-Level Stereo Inputs for Connection
from LINE, CD, VIDEO, and AUX
Two Analog Line-Level Mono Inputs for Speakerphone
and PC BEEP
Mono MIC Input Switchable from Two External
Sources
High Quality CD Input with Ground Sense
Stereo Line Level Output
Mono Output for Speakerphone
Power Management Support
ENHANCED FEATURES
Support for Multiple Codec Communications
DSP 16-Bit Serial Port Format
Variable 7 kHz to 48 kHz Sampling Rate with 1 Hz
Resolution
Supports Modem Sample Rates and Filtering
Phat™ Stereo 3D Stereo Enhancement
VHDL and Verilog Models of Serial Port Available
FUNCTIONAL BLOCK DIAGRAM
CS0 CS1 CHAIN_IN CHAIN_CLK
MIC1
MIC2
LINE_IN
AUX
CD
VIDEO
PHONE_IN
LINE_OUT_L
MONO_OUT
LINE_OUT_R
PC_BEEP
AD1819B
0dB/
20dB
G
A
M
G GG G G
A AA A A
M MM M M
MV
PHAT
STEREO
⌺⌺⌺⌺
MV
MV
PHAT
STEREO
⌺ ⌺⌺ ⌺ ⌺
A G = GAIN
M A = ATTENUATE
M = MUTE
MV = MASTER VOLUME
MASTER/SLAVE
SYNCHRONIZER
PGA
16-BIT
⌺⌬ A/D
CONVERTER
PGA
16-BIT
⌺⌬ A/D
CONVERTER
SAMPLE
RATE
GENERATORS
G 16-BIT
A ⌺⌬ D/A
M CONVERTER
G 16-BIT
A ⌺⌬ D/A
M CONVERTER
OSCILLATORS
XTALO XTALI
RESET
SYNC
BIT_CLK
SDATA_OUT
SDATA_IN
SoundPort is a registered trademark of Analog Devices, Inc.
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
which 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 World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 1999




AD1819B pdf, 반도체, 판매, 대치품
AD1819B–SPECIFICATIONS
ANALOG-TO-DIGITAL CONVERTERS
Parameter
Resolution
Total Harmonic Distortion (THD)
Min
Dynamic Range (–60 dB Input THD+N Referenced to Full Scale,
A-Weighted)
Signal-to-Intermodulation Distortion* (CCIF Method)
ADC Crosstalk*
Line Inputs (Input L, Ground R, Read R; Input R, Ground L, Read L)
Line to Other
Gain Error (Full-Scale Span Relative to Nominal Input Voltage)
Interchannel Gain Mismatch (Difference of Gain Errors)
ADC Offset Error
84
DIGITAL-TO-ANALOG CONVERTERS
Parameter
Resolution
Total Harmonic Distortion (THD) LINE_OUT
Dynamic Range (–60 dB Input THD+N Referenced to Full Scale,
A-Weighted)
Signal-to-Intermodulation Distortion* (CCIF Method)
Gain Error (Full-Scale Span Relative to Nominal Input Voltage)
Interchannel Gain Mismatch (Difference of Gain Errors)
DAC Crosstalk* (Input L, Zero R, Measure LINE_OUT_R; Input R,
Zero L, Measure LINE_OUT_L)
Total Out-of-Band Energy (Measured from 0.6 × FS to 20 kHz)*
MASTER VOLUME
Parameter
Step Size (0 dB to –46.5 dB)
LINE_OUT_L, LINE_OUT_R, MONO_OUT
Output Attenuation Range Span
Mute Attenuation of 0 dB Fundamental*
Min
85
Min
ANALOG OUTPUT
Parameter
Full-Scale Output Voltage
Output Impedance*
External Load Impedance
Output Capacitance*
External Load Capacitance
VREF
VREF Current Drive
VREFOUT
VREFOUT Current Drive
Mute Click (Muted Output Minus Unmuted Midscale DAC Output)*
*Guaranteed, not tested.
Specifications subject to change without notice.
Min
10
2.00
Typ
16
87
85
–100
–90
Typ
16
90
85
–40
Typ
1.5
46.5
Typ
1
2.83
15
2.25
2.25
±5
Max
0.02
–74
–90
–85
± 10
± 0.5
±5
Units
Bits
%
dB
dB
dB
dB
dB
%
dB
mV
Max
0.02
–74
± 10
± 0.5
–80
Units
Bits
%
dB
dB
dB
%
dB
dB
dB
dB
Max
75
Units
dB
dB
dB
Max
800
100
2.50
100
5
Units
V rms
V p-p
k
pF
pF
V
µA
V
mA
mV
–4– REV. 0

4페이지










AD1819B 전자부품, 판매, 대치품
tSETUP
BIT_CLK
SYNC
SDATA_OUT
tHOLD
Figure 4. Data Setup and Hold
BIT_CLK
tRISECLK
tFALLCLK
SYNC
tRISESYNC
tFALLSYNC
SDATA_IN
tRISEDIN
tFALLDIN
SDATA_OUT
tRISEDOUT
tFALLDOUT
Figure 5. Signal Rise and Fall Time
AD1819B
SYNC SLOT 1 SLOT 2
BIT_CLK
SDATA_OUT
WRITE
TO 0x26
DATA
PR4
DON’T
CARE
tS2_PDOWN
SDATA_IN
NOTE: BIT_CLK NOT TO SCALE
Figure 6. AC-Link, Link Low Power Mode Timing
RESET
SDATA_OUT
SDATA_IN, BIT_CLK
tSETUP2RST
HI-Z
tOFF
Figure 7. ATE Test Mode
ABSOLUTE MAXIMUM RATINGS*
Parameter
Min Max
Units
Power Supplies
␣ ␣ Analog (AVDD)
–0.3
␣ ␣ Digital (DVDD)
–0.3
Input Current (Except Supply Pins)
Analog Input Voltage (Signal Pins) –0.3
Digital Input Voltage (Signal Pins) –0.3
Ambient Temperature (Operating) –40
Storage Temperature
–65
6.0 V
6.0 V
± 10.0
mA
AVDD + 0.3 V
DVDD + 0.3 V
+85 °C
+150
°C
*Stresses greater than those listed under Absolute Maximum Ratings may cause
permanent damage to the device. This is a stress rating only; functional operation
of the device at these or any other conditions above those indicated in the
operational section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect device reliability.
ORDERING GUIDE
Model
Temperature Package
Range
Description
Package
Option*
AD1819BJST –40°C to +85°C 48-Terminal LQFP ST-48
*ST = Thin Quad Flatpack.
ENVIRONMENTAL CONDITIONS
Ambient Temperature Rating
TAMB = TCASE – (PD × θCA)
TCASE = Case Temperature in °C
PD = Power Dissipation in W
θCA = Thermal Resistance (Case-to-Ambient)
θJA = Thermal Resistance (Junction-to-Ambient)
θJC = Thermal Resistance (Junction-to-Case)
Package
LQFP
JA
76.2°C/W
JC
17°C/W
CA
59.2°C/W
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
accumulate on the human body and test equipment and can discharge without detection.
Although the AD1819B features proprietary ESD protection circuitry, permanent damage may
occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD
precautions are recommended to avoid performance degradation or loss of functionality.
WARNING!
ESD SENSITIVE DEVICE
REV. 0
–7–

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