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기능 High-Performance 24-Bit/ 216kHz Sampling Stereo Audio Analog-to-Digital Converter
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PCM4202DBT 데이터시트, 핀배열, 회로
PCM4202
SBAS290B − JULY 2003 − SEPTEMBER 2004
High-Performance 24-Bit, 216kHz Sampling
Stereo Audio Analog-to-Digital Converter
FEATURES
D Two High-Performance Delta-Sigma
Analog-to-Digital Converters
− 24-Bit Linear PCM or 1-Bit Direct Stream
Digital (DSD) Output Data
− Supports PCM Output Sampling Rates up
to 216kHz
− Supports 64fS and 128fS DSD Output Data
Rates
D Dynamic Performance: PCM Output
− Dynamic Range (VIN = −60dBFS,
fIN = 1kHz, A-Weighted): 118dB
− THD+N (VIN = −0.5dB, fIN = 1kHz): −105dB
D Dynamic Performance: DSD Output, 64fS
− Dynamic Range (A-Weighted): 115dB
− THD+N (VIN = −0.5dB, fIN = 1kHz): −102dB
D Audio Serial Port
− 24-Bit Linear PCM Output Data
− Master or Slave Mode Operation
− Supports Left-Justified, Right-Justified,
and I2SE Data Formats
D Additional PCM Output Features:
− Linear-Phase Digital Decimation Filter
− Digital High-Pass Filter for DC Removal
− Clipping Flag Output for Each Channel
D Power Supplies: +5V Analog and +3.3V Digital
D Power Dissipation:
− fS = 48kHz: 308mW typical
− fS = 96kHz: 338mW typical
− fS = 192kHz: 318mW typical
D Power-Down Mode
D Available in a SSOP-28 Package
D Pin- and Function-Compatible with the
PCM1804
APPLICATIONS
D Digital Recorders and Mixing Desks
D Digital Audio Effects Processors
D Broadcast Studio Equipment
D Surround-Sound Encoders
D High-End A/V Receivers
DESCRIPTION
The PCM4202 is a high-performance, stereo audio
analog-to-digital (A/D) converter designed for professional
and broadcast audio applications. The PCM4202
architecture utilizes a 1-bit delta-sigma modulator per
channel, incorporating a novel density modulated dither
scheme for improved dynamic performance.
The PCM4202 supports 24-bit linear PCM output data,
with sampling frequencies up to 216kHz. The PCM4202
can also be configured to output either 64x or 128x
oversampled, 1-bit direct stream digital (DSD) data for
each channel. Support for PCM and DSD output formats
makes the PCM4202 suitable for a variety of digital audio
recording and processing applications.
The PCM4202 includes a flexible audio serial port inter-
face, which supports standard audio data formats. Audio
data format selection, sampling mode configuration, and
high-pass filter functions are all programmed using dedi-
cated control pins.
The PCM4202 operates from a +5V analog power supply
and a +3.3V digital power supply. The digital I/O pins are
compatible with +3.3V logic families. The PCM4202 is
available in a small SSOP-28 package.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments
semiconductor products and disclaimers thereto appears at the end of this data sheet.
I2S is a registered trademark of Royal Philips Electronics B.V., The Netherlands. All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date. Products
conform to specifications per the terms of Texas Instruments standard warranty.
Production processing does not necessarily include testing of all parameters.
Copyright 2003−2004, Texas Instruments Incorporated
www.ti.com




PCM4202DBT pdf, 반도체, 판매, 대치품
PCM4202
SBAS290B − JULY 2003 − SEPTEMBER 2004
www.ti.com
ELECTRICAL CHARACTERISTICS
All parameters are specified at TA = +25°C with VCC = +5V, VDD = +3.3V, and a measurement bandwidth from 20Hz to 20kHz, unless otherwise
noted. System clock frequency is equal to 256fS for Single and Dual Rate sampling modes, and 128fS for Quad Rate sampling mode.
PCM4202
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
RESOLUTION
24 Bits
AUDIO DATA FORMAT
Linear PCM interface formats
Two’s complement, MSB first data
I2S, Left or Right Justified
Linear PCM word length
24 Bits
Direct Stream Digital (DSD) output
1 Bit
DIGITAL CHARACTERISTICS
Input logic level
Output logic level
Input current
Input current(1)
VIH
VIL
VOH
VOL
IIH
IIL
IIH
IIL
IOH = −2mA
IOL = +2mA
VIN = VDD
VIN = 0V
VIN = VDD
VIN = 0V
Single rate
0.7 x VDD
0
0.8 x VDD
8
VDD
0.3 x VDD
0.2 x VDD
+10
−10
+25
−25
54
V
V
V
V
µA
µA
µA
µA
kHz
Sampling frequency(2)
fS
Dual rate
54
108 kHz
Quad rate 108 216 kHz
System clock duty cycle
45 50 55 %
System clock frequency(2)
ANALOG OUTPUTS
Single rate, SCKI = 256fS
Single rate, SCKI = 384fS
Single rate, SCKI = 512fS
Single rate, SCKI = 768fS
Dual rate, SCKI = 256fS
Dual rate, SCKI = 384fS
Quad rate, SCKI = 128fS
Quad rate, SCKI = 192fS
2.048
3.072
4.096
6.144
13.824
20.736
13.824
20.736
13.824
20.736
27.648
38.4
27.648
38.4
27.648
38.4
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
Input voltage, full-scale
Input impedance
Differential input
6.0 VPP
3 k
Common-mode rejection
85 dB
DC PERFORMANCE
Output offset error
HPFD = 1
±4 % of FSR
Gain error
±4 % of FSR
Gain mismatch channel-to-channel
±3 % of FSR
(1) Applies to the RST input, pin 19.
(2) Single, Dual, and Quad Rate sampling modes are described within this data sheet.
(3) Dynamic performance parameters are measured using an Audio Precision System Two Cascade or Cascade Plus test system. The
measurement bandwidth is limited by using the Audio Precision 22Hz high-pass filter in combination with the Audio Precision 20kHz, fS/2, or
a user-defined 40kHz low-pass filter. All A-weighted measurements are performed using the Audio Precision A-weighting filter in combination
with the previously mentioned filters.
4

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PCM4202DBT 전자부품, 판매, 대치품
PCM4202
www.ti.com
SBAS290B − JULY 2003 − SEPTEMBER 2004
TYPICAL CHARACTERISTICS
At TA = +25°C with VCC = +5V, VDD = +3.3V, and a measurement bandwidth from 20Hz to 20kHz, unless otherwise noted.
OVERALL CHARACTERISTICS
SINGLE RATE FILTER
50
fS = 48 kHz
0
50
100
150
200
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
Normalized Frequency (fS)
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
STOP BAND ATTENUATION CHARACTERISTICS
SINGLE RATE FILTER
fS = 48 kHz
0 0.25 0.5 0.75
Normalized Frequency (fS)
1
PASSBAND RIPPLE CHARACTERISTICS
SINGLE RATE FILTER
0.02
fS = 48kHz
0
0.02
0.04
0.06
0.08
0.1
0
0.1 0.2 0.3 0.4 0.5
Normalized Frequency (fS)
0.6
0
1
2
3
4
5
6
7
8
9
10
0.45
TRANSIENT BAND CHARACTERISTICS
SINGLE RATE FILTER
fS = 48kHz
0.47 0.49 0.51 0.53
Normalized Frequency (fS)
0.55
OVERALL CHARACTERISTICS
DUAL RATE FILTER
50
fS = 96kHz
0
50
100
150
200
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
Normalized Frequency (fS)
STOP BAND ATTENUATION CHARACTERISTICS
DUAL RATE FILTER
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
fS = 96kHz
0 0.25 0.5 0.75
Normalized Frequency (fS)
1
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