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UDA1351TS

Features: 1.1 General` 2.7 to 3.6 V power supply` Integrated digital filter and Digital-to-Analog Converter (DAC)` Master-mode data output and input interface for off-chip sound processing` 256fs system clock output` 20-bit data path in interpolator` High performance` No analog post filtering requ...

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UDA1351TS: Features: 1.1 General` 2.7 to 3.6 V power supply` Integrated digital filter and Digital-to-Analog Converter (DAC)` Master-mode data output and input interface for off-chip sound processing` 256fs sy...

UDA1351TS Data Sheet

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Part Number:
UDA1351TS
Supply Ability:
5000

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  • 1~5000
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Product Details

Description



Features:

1.1 General
` 2.7 to 3.6 V power supply
` Integrated digital filter and Digital-to-Analog Converter (DAC)
` Master-mode data output and input interface for off-chip sound processing
` 256fs system clock output
` 20-bit data path in interpolator
` High performance
` No analog post filtering required for DAC
` Support sampling frequencies from 28 kHz up to 100 kHz
` The UDA1351TS is fully pin and function compatible with the UDA1350ATS.
1.2 Control
` Controlled either by means of static pins or via the L3 microcontroller interface.
1.3 IEC 958 input
` On-chip amplifier for converting IEC 958 input to CMOS levels
` Lock indication signal available on pin LOCK
` Lock indication signal combined on-chip with the Pulse Code Modulation (PCM) status bit; when non-PCM is etected, pin LOCK indicates out-of-lock
` Key channel-status bits available via L3 interface (lock, pre-emphasis, audio sample frequency, two channel PCM indication and clock accuracy).
1.4 Digital sound processing and DAC
` Automatic de-emphasis when using IEC 958 input with 32.0, 44.1 and 48.0 kHz audio sample frequencies
` Soft mute by means of a cosine roll-off circuit selectable via pin MUTE or the L3 interface
` dB linear volume control with 1 dB steps from 0 dB to -60 dB and - dB
` Bass boost and treble control in L3 control mode
` Interpolating filter (fs to 128fs) by means of a cascade of a recursive filter and a FIR filter
` Third order noise shaper operating at 128fs generates the bitstream for the DAC
` Filter Stream DAC (FSDAC).





Application

·Digital audio systems.




Pinout

Connection Diagram




Specifications

SYMBOL PARAMETER CONDITIONS MIN. MAX.
UNIT
VDD supply voltage note 1 2.7 5.0
V
Txtal crystal temperature -25 +150
V
Tstg storage temperature -65 +125
Tamb ambient temperature -40 +85
Vesd electrostatic discharge voltage Human Body Model (HBM); note 2 -2000 +2000
V
Machine Model (MM); note 3 -200 +200
V
Ilu(prot) latch-up protection current Tamb = 125 °C; VDD = 3.6 V - 200
mA
Isc(DAC) short-circuit current of DAC Tamb = 0 °C; VDD = 3 V; note 4
output short-circuited to VSSA(DAC)
output short-circuited to VDDA(DAC)		 -
-		 482
346
mA
mA

Notes
1. All VDD and VSS connections must be made to the same power supply.
2. JEDEC class 2 compliant.
3. JEDEC class B compliant,except pin VSSA(PLL), which can withstand ESD pulses of -130 to +130 V.
4. DAC operation after short-circuiting cannot be warranted.





Description

Available in two versions:
` UDA1351TS:
only IEC 958 input to DAC in SSOP28 package.
` UDA1351H:
full featured version in QFP44 package.

The UDA1351TS is a single chip IEC 958 audio decoder with an integrated stereo DAC employing bitstream conversion techniques.

A lock indication signal is available on pin LOCK, indicating that the IEC 958 decoder is locked. This pin is also used to indicate whether PCM data is applied to the input or not. When non-PCM data is detected, the device indicates out-of-lock.

By default, the DAC output and the data output interface are muted when the decoder is out-of-lock. However, this setting can be overruled in the L3 control mode.



The UDA1351TS is designed as one kind of 96 kHz IEC 958 audio DAC that produced by the Philips Semiconductors. Features of the UDA1351TS are:(1)2.7 to 3.6 V power supply;(2)integrated digital filter and digital-to-analog converter (DAC);(3)master-mode data output and input interface for off-chip sound processing;(4)256fs system clock output;(5)20-bit data path in interpolator;(6)high performance;(7)no analog post filtering required for DAC;(8)support sampling frequencies from 28 kHz up to 100 kHz. And it can be used in digital audio systems.

The absolute maximum ratings of the UDA1351TS can be summarized as:(1)supply voltage:2.7 to 5.0 V;(2)crystal temperature:-25 to +150 °C;(3)storage temperature:-65 to +125 °C;(4)ambient temperature:-40 to +85 °C;(5)electrostatic handling voltage human body model (HBM):-2000 to +2000 V;(6)electrostatic handling voltage machine model (MM):-200 to +200 V;(7)latch-up protection current:200 mA. If you want to know more information such as the electrical characteristics about the UDA1351TS, please download the datasheet in www.seekic.com or www.chinaicmart.com .






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