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AT73C213 Datasheet(PDF) 6 Page - ATMEL Corporation

Part No. AT73C213
Description  Power Management for Mobiles (PM) / Audio Interface for Portable Handsets
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Maker  ATMEL [ATMEL Corporation]
Homepage  http://www.atmel.com
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 6 page
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6
2744A–PMGMT–27-Jan-05
AT73C213
7.
Audio DAC
7.1
Electrical Specifications
AVDD, AVDDHS = 2.8 V, T
A = 25°C, typical case, unless otherwise noted.
All noise and distortion specifications are measured in the 20 Hz to 0.425xFs and A-weighted filtered.
Full-scale levels scale proportionally with the analog supply voltage.
Table 7-1.
Electrical Specifications
Min
Typ
Max
Units
OVERALL
Operating Temperature (ambient)
-40
+25
+85
°C
Analog Supply Voltage (AVDD, AVDDHS)
2.7
2.8
3.3
V
Digital Supply Voltage (VDIG)
2.4
2.8
3.3
V
DIGITAL INPUTS/OUTPUTS
Resolution
20
bits
Logic Family
CMOS
Logic Coding
2's Complement
ANALOG PERFORMANCE - DAC to Line-out/Headphone Output
Output level for full scale input (for AVDD, AVDDHS = 2.8 V)
1.65
Vpp
Output common mode voltage
0.5 x
AVDDHS
V
Output load resistance (on HSL, HSR)
Headphone load
Line load
16
7
32
10
Ohm
kOhm
Output load capacitance (on HSL, HSR)
Headphone load
Line load
30
30
1000
150
pF
pF
Signal to Noise Ratio (-1dBFS @ 1kHz input and 0dB Gain)
Line and Headphone loads
87
92
dB
Total Harmonic Distortion (-1dBFS @ 1kHz input and 0dB Gain)
Line Load
Headphone Load
Headphone Load (16 Ohm)
0.01
0.06
0.5
0.016
0.1
1
%
%
%
Dynamic Range (measured with -60 dBFS @ 1kHz input,
extrapolated to full-scale)
Line Load
Headphone Load
88
70
93
74
dB
dB
Interchannel mismatch
0.1
1
dB
Left-channel to right-channel crosstalk (@ 1kHz)
-90
-80
dB
Output Headset Driver Level Control Range
-6
6
dB
Output Headset Driver Level Control Step
3
dB



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