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UDA1350AH

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 interface for off-chip sound processing` 256fs system clock output` 20-bit data-path in interpolator` High performance` No analog post filtering required for D...

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UDA1350AH: 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 interface for off-chip sound processing` 256fs system clock...

UDA1350AH Data Sheet

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Part Number:
UDA1350AH
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 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.
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
` Selectable IEC 958 input channel, one out of two
` Lock indication signal available on pin LOCK
` Lock indication signal combined on-chip with the Pulse Code Modulation (PCM) status bit; in case non-PCM has been detected 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 output and input interfaces
` When the UDA1350AH is clock master of the data output interface:
    BCKO and WSO signals are output
    I2S-bus or LSB-justified 16, 20 and 24 bits formats are supported.
` When the UDA1350AH is clock slave of the data input
    interface:
     BCK and WS signals are input
    I2S-bus or LSB-justified 16, 20 and 24 bits formats are supported.
1.5 Digital sound processing and DAC
` Pre-emphasis information of IEC 958 input bitstream available in L3 interface register and on pins
` 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
` 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 bitstream for the DAC
` Filter stream digital-to-analog converter.


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
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) -200 +200
V
Ilu(prot) latch-up protection current note 3 - 200
mA
Isc(DAC) short-circuit current of DAC note 4
output short-circuited to VSSA(DAC)
output short-circuited to VDDA(DAC)		 -
-		 482
346
mA
mA

1. All VDD and VSS connections must be made to the same power supply.
2. JEDEC class 2 compliant, except pin VSSA(PLL) which can withstand ESD pulses of -1600 to +1600 V.
3. Latch-up test at Tamb = 125 °C and VDD = 3.6 V.
4. Short-circuit test at Tamb = 0 °C and VDD = 3 V. DAC operation after short-circuiting cannot be warranted.



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