DATA SHEET
Preliminary specification
File under Integrated Circuits, IC01
2000 Feb 07
INTEGRATED CIRCUITS
UDA1334BTS
Low power audio DAC
2000 Feb 07
2
Philips Semiconductors
Preliminary specification
Low power audio DAC
UDA1334BTS
CONTENTS
11
FEATURES
1.1
General
1.2
Multiple format data interface
1.3
DAC digital sound processing
1.4
Advanced audio configuration
2
APPLICATIONS
3
GENERAL DESCRIPTION
4
ORDERING INFORMATION
5
QUICK REFERENCE DATA
6
BLOCK DIAGRAM
7
PINNING
8
FUNCTIONAL DESCRIPTION
8.1
System clock
8.2
Interpolation filter
8.3
Noise shaper
8.4
Filter stream DAC
8.5
Power-on reset
8.6
Feature settings
8.6.1
Digital interface format select
8.6.2
Mute control
8.6.3
De-emphasis control
8.6.4
Power control and sampling frequency select
9
LIMITING VALUES
10
HANDLING
11
THERMAL CHARACTERISTICS
12
QUALITY SPECIFICATION
13
DC CHARACTERISTICS
14
AC CHARACTERISTICS
14.1
2.0 V supply voltage
14.2
3.0 V supply voltage
14.3
Timing
15
APPLICATION INFORMATION
16
PACKAGE OUTLINE
17
SOLDERING
17.1
Introduction to soldering surface mount
packages
17.2
Reflow soldering
17.3
Wave soldering
17.4
Manual soldering
17.5
Suitability of surface mount IC packages for
wave and reflow soldering methods
18
DEFINITIONS
19
LIFE SUPPORT APPLICATIONS
2000 Feb 07
3
Philips Semiconductors
Preliminary specification
Low power audio DAC
UDA1334BTS
1
FEATURES
1.1
General
1.8 to 3.6 V power supply voltage
Integrated digital filter plus DAC
Supports sample frequencies from 8 to 100 kHz
Automatic system clock versus sample rate detection
Low power consumption
No analog post filtering required for DAC
Slave mode only applications
Easy application
SSOP16 package.
1.2
Multiple format data interface
I
2
S-bus and LSB-justified format compatible
1f
s
input data rate.
1.3
DAC digital sound processing
Digital de-emphasis for 44.1 kHz sampling rate
Mute function.
1.4
Advanced audio configuration
High linearity, wide dynamic range and low distortion
Standby or Sleep mode in which the DAC is powered
down.
2
APPLICATIONS
This audio DAC is excellently suitable for digital audio
portable application, such as portable MD, MP3 and
DVD players.
3
GENERAL DESCRIPTION
The UDA1334BTS supports the I
2
S-bus data format with
word lengths of up to 24 bits and the LSB-justified serial
data format with word lengths of 16, 20 and 24 bits.
The UDA1334BTS has basic features such as
de-emphasis (at 44.1 kHz sampling rate) and mute.
4
ORDERING INFORMATION
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
UDA1334BTS
SSOP16
plastic shrink small outline package; 16 leads; body width 4.4 mm
SOT369-1
2000 Feb 07
4
Philips Semiconductors
Preliminary specification
Low power audio DAC
UDA1334BTS
5
QUICK REFERENCE DATA
Note
1. The DAC output voltage scales proportionally to the power supply voltage.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supplies
V
DDA
DAC analog supply voltage
1.8
2.0
3.6
V
V
DDD
digital supply voltage
1.8
2.0
3.6
V
I
DDA
DAC analog supply current
normal operating mode
-
2.3
-
mA
Sleep mode
-
125
-
A
I
DDD
digital supply current
normal operating mode
-
1.4
-
mA
Sleep mode
clock running
-
250
-
A
no clock running
-
20
-
A
T
amb
ambient temperature
-
40
-
+85
C
Digital-to-analog converter (V
DDA
= V
DDD
= 2.0 V)
V
o(rms)
output voltage (RMS value)
at 0 dB (FS) digital input; note 1
-
600
-
mV
(THD + N)/S total harmonic
distortion-plus-noise to signal
ratio
f
s
= 44.1 kHz; at 0 dB
-
-
80
-
dB
f
s
= 44.1 kHz; at
-
60 dB; A-weighted
-
-
37
-
dB
f
s
= 96 kHz; at 0 dB
-
-
75
-
dB
f
s
= 96 kHz; at
-
60 dB; A-weighted
-
-
35
-
dB
S/N
signal-to-noise ratio
f
s
= 44.1 kHz; code = 0; A-weighted
-
97
-
dB
f
s
= 96 kHz; code = 0; A-weighted
-
95
-
dB
cs
channel separation
-
100
-
dB
Digital-to-analog converter (V
DDA
= V
DDD
= 3.0 V)
V
o(rms)
output voltage (RMS value)
at 0 dB (FS) digital input; note 1
-
900
-
mV
(THD + N)/S total harmonic
distortion-plus-noise to signal
ratio
f
s
= 44.1 kHz; at 0 dB
-
-
90
-
dB
f
s
= 44.1 kHz; at
-
60 dB; A-weighted
-
-
40
-
dB
f
s
= 96 kHz; at 0 dB
-
-
85
-
dB
f
s
= 96 kHz; at
-
60 dB; A-weighted
-
-
38
-
dB
S/N
signal-to-noise ratio
f
s
= 44.1 kHz; code = 0; A-weighted
-
100
-
dB
f
s
= 96 kHz; code = 0; A-weighted
-
98
-
dB
cs
channel separation
-
100
-
dB
Power dissipation (at f
s
= 44.1 kHz)
P
power dissipation
playback mode
at 2.0 V supply voltage
-
7.4
-
mW
at 3.0 V supply voltage
-
17
-
mW
Sleep mode; at 2.0 V supply voltage
clock running
-
0.75
-
mW
no clock running
-
0.3
-
mW
2000 Feb 07
5
Philips Semiconductors
Preliminary specification
Low power audio DAC
UDA1334BTS
6
BLOCK DIAGRAM
handbook, full pagewidth
MGL964
DAC
UDA1334BTS
NOISE SHAPER
INTERPOLATION FILTER
DE-EMPHASIS
14
15
DAC
6
DIGITAL INTERFACE
16
3
2
1
4
5
11
7
13
12
VOUTR
BCK
VSSA
WS
VOUTL
DATAI
VDDA
VDDD
Vref(DAC)
VSSD
SFOR0
SYSCLK
8
MUTE
9
DEEM
10
PCS
SFOR1
Fig.1 Block diagram.
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