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Burr-Brown Corporation

PCM1742 Datasheet Preview

PCM1742 Datasheet

24-Bit/ 192kHz Sampling Enhanced Multilevel/ Delta-Sigma/ Audio DIGITAL-TO-ANALOG CONVERTER

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PCM1742
PCM1742
www.ti.com
24-Bit, 192kHz Sampling
Enhanced Multilevel, Delta-Sigma, Audio
DIGITAL-TO-ANALOG CONVERTER
FEATURES
q 24-BIT RESOLUTION
q ANALOG PERFORMANCE (VCC = +5V):
Dynamic Range: 106dB typ (PCM1742KE)
100dB typ (PCM1742E)
SNR: 106dB typ (PCM1742KE)
100dB typ (PCM1742E)
THD+N: 0.002% typ (PCM1742KE)
0.003% typ (PCM1742E)
Full-Scale Output: 3.1Vp-p typ
q 4x/8x OVERSAMPLING DIGITAL FILTER:
Stopband Attenuation: –55dB
Passband Ripple: ±0.03dB
q SAMPLING FREQUENCY: 5kHz to 200kHz
q SYSTEM CLOCK: 128, 192, 256, 384, 512,
768fS with Auto Detect
q ACCEPTS 16-, 18-, 20-, AND 24-BIT AUDIO
DATA
q DATA FORMATS: Standard, I2S, and Left-
Justified
q USER-PROGRAMMABLE MODE CONTROLS:
Digital Attenuation: 0dB to –63dB, 0.5dB/Step
Digital De-Emphasis
Digital Filter Roll-Off: Sharp or Slow
Soft Mute
Zero Flags for Each Output
q DUAL-SUPPLY OPERATION:
+5V Analog, +3.3V Digital
q 5V TOLERANT DIGITAL INPUTS
q SMALL SSOP-16 PACKAGE
q SAME PACKAGE SIZE AS SOP-8
APPLICATIONS
q AV RECEIVERS
q DVD MOVIE PLAYERS
q DVD ADD-ON CARDS FOR HIGH-END PCs
q DVD AUDIO PLAYERS
q HDTV RECEIVERS
q CAR AUDIO SYSTEMS
q OTHER APPLICATIONS REQUIRING 24-BIT
AUDIO
DESCRIPTION
The PCM1742 is a CMOS, monolithic, integrated circuit
which includes stereo Digital-to-Analog Converters
(DACs) and support circuitry in a small SSOP-16 package.
The data converters utilize Texas Instrument’s enhanced
multilevel delta-sigma architecture that employs fourth-
order noise shaping and 8-level amplitude quantization to
achieve excellent dynamic performance and improved toler-
ance to clock jitter. The PCM1742 accepts industry standard
audio data formats with 16- to 24-bit data, providing easy
interfacing to audio DSP and decoder chips. Sampling rates
up to 200kHz are supported. A full set of user-program-
mable functions are accessible through a 3-wire serial
control port that supports register write functions.
Copyright © 2000, Texas Instruments Incorporated
SBAS176
Printed in U.S.A. December, 2000




Burr-Brown Corporation

PCM1742 Datasheet Preview

PCM1742 Datasheet

24-Bit/ 192kHz Sampling Enhanced Multilevel/ Delta-Sigma/ Audio DIGITAL-TO-ANALOG CONVERTER

No Preview Available !

SPECIFICATIONS
All specifications at TA = +25°C, VCC = 5.0V, VDD = 3.3V, fS = 44.1kHz, system clock = 384fS, and 24-bit data, unless otherwise noted.
PARAMETER
RESOLUTION
DATA FORMAT
Audio Data Interface Formats
Audio Data Bit Length
Audio Data Format
Sampling Frequency (fS)
System Clock Frequency
DIGITAL INPUT/OUTPUT
Logic Family
Input Logic Level
VIH
VIL
Input Logic Current
IIH(1)
IIL(1)
IIH(2)
IIL(2)
Output Logic Level
VOH(3)
VOL(3)
DYNAMIC PERFORMANCE(4) (5)
PCM1742E
THD+N at VOUT = 0dB
THD+N at VOUT = –60dB
Dynamic Range
Signal-to-Noise Ratio
Channel Separation
Level Linearity Error
PCM1742KE
THD+N at VOUT = 0dB
THD+N at VOUT = –60dB
Dynamic Range
Signal-to-Noise Ratio
Channel Separation
Level Linearity Error
DC ACCURACY
Gain Error
Gain Mismatch, Channel-to-Channel
Bipolar Zero Error
ANALOG OUTPUT
Output Voltage
Center Voltage
Load Impedance
DIGITAL FILTER PERFORMANCE
Filter Characteristics 1, Sharp Roll-Off
Passband
Passband
Stopband
Passband Ripple
Stopband Attenuation
Stopband Attenuation
CONDITIONS
VIN = VDD
VIN = 0V
VIN = VDD
VIN = 0V
IOH = –2mA
IOL = +2mA
fS = 44.1kHz
fS = 96kHz
fS = 192kHz
fS = 44.1kHz
fS = 96kHz
fS = 192kHz
EIAJ, A-Weighted, fS = 44.1kHz
A-Weighted, fS = 96kHz
A-Weighted, fS = 192kHz
EIAJ, A-Weighted, fS = 44.1kHz
A-Weighted, fS = 96kHz
A-Weighted, fS = 192kHz
fS = 44.1kHz
fS = 96kHz
fS = 192kHz
VOUT = –90dB
fS = 44.1kHz
fS = 96kHz
fS = 192kHz
fS = 44.1kHz
fS = 96kHz
fS = 192kHz
EIAJ, A-Weighted, fS = 44.1kHz
A-Weighted, fS = 96kHz
A-Weighted, fS = 192kHz
EIAJ, A-Weighted, fS = 44.1kHz
A-Weighted, fS = 96kHz
A-Weighted, fS = 192kHz
fS = 44.1kHz
fS = 96kHz
fS = 192kHz
VOUT = –90dB
VOUT = 0.5 VCC at Bipolar Zero
Full Scale (0dB)
AC Load
±0.03dB
–3dB
Stopband = 0.546fS
Stopband = 0.567fS
PCM1742E
PCM1742KE
MIN TYP
MAX
24
Standard, I2S, Left-Justified
16-, 18-, 20-, 24-Bits Selectable
MSB-First, Binary Two’s Complement
5 100
256, 384, 512, 768fS
TTL-Compatible
2.0
65
2.4
0.8
10
–10
100
–10
1.0
0.003
0.008
0.004
0.005
1.2
1.6
1.8
94 100
98
96
94 100
98
96
91 98
96
94
±0.5
0.002
0.006
0.003
0.004
0.65
0.8
0.95
100 106
104
102
100 106
104
102
97 103
101
100
±0.5
±1.0 ±6
±1.0 ±3
±30 ±60
62% of VCC
50% VCC
5
0.546fS
–50
–55
0.454fS
0.487fS
±0.03
UNITS
Bits
kHz
VDC
VDC
µA
µA
µA
µA
VDC
VDC
%
%
%
%
%
%
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
%
%
%
%
%
%
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
% of FSR
% of FSR
mV
Vp-p
VDC
k
dB
dB
dB
2 PCM1742
SBAS176


Part Number PCM1742
Description 24-Bit/ 192kHz Sampling Enhanced Multilevel/ Delta-Sigma/ Audio DIGITAL-TO-ANALOG CONVERTER
Maker Burr-Brown Corporation
Total Page 22 Pages
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