
2002 May 22 3
Philips Semiconductors Product specification
Low power audio DAC UDA1334BT
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
• SO16 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 UDA1334BT 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 UDA1334BT has basic features such as de-emphasis
(at 44.1 kHz sampling rate) and mute.
4 ORDERING INFORMATION
TYPE
NUMBER
PACKAGE
NAME DESCRIPTION VERSION
UDA1334BT SO16 plastic small outline package; 16 leads; body width 3.9 mm SOT109-1