Datasheet

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TSC2301
SLAS371D – SEPTEMBER 2002 – REVISED AUGUST 2004
ELECTRICAL CHARACTERISTICS (continued)
At 25 °C, HPV
DD
= AV
DD
= DV
DD
= +3.3 V, V
REF
= External 2.5 V, unless otherwise noted.
TSC2301
Parameter Conditions Units
Min Typ Max
Output power per channel R = 32 Ω 14 mW
R = 16 Ω 27 mW
R = 16 Ω V
DD
= 3.6V 32 mW
Signal-to-noise ratio, A-weighted 85 96 dB
Total harmonic distortion R = 32 Ω 1-kHz, 0-dB input -83 -70 dB
R = 16 Ω 1-kHz, -3-dB input -77 dB
D/A Converter
Output current range Measured with ARNG floating 0.75 1.10 mA
Resolution 8 Bits
Voltage Reference
TSC2301IPAG 2.34 2.49 2.54
Voltage range Internal 2.5 V V
TSC2301IGQZ 2.34 2.49 2.64
ppm/ °
Reference drift 50
C
Current drain 20 µA
Digital Input / Output
Internal clock frequency 8.8 MHz
Logic family CMOS
Logic level: V
IH
I
IH
= 5 µA 0.7 V
DD
V
V
IL
I
IL
= 5 µA -0.3 0.3 V
DD
V
V
OH
I
OH
= 2 TTL loads 0.8* DVDD V
V
OL
I
OL
= 2 TTL loads 0.2* DVDD V
Power Supply Requirements
Power supply voltage
DV
DD
, AV
DD
, HPV
DD
2.7 3.6 V
Quiescent current
(1)
Touch screen only 1-kHz SAR sample rate, external V
ref
14 µA
20-kHz SAR sample rate, internal
Touch screen only 1.7 mA
V
ref
Stereo playback only 44.1-kHz Playback, V
DD
= 2.7V 10 mA
Voice record only Mono 8-kHz record, V
DD
= 2.7V 5.8 mA
Power down Audio fully powered down .05 µA
(1) For more details on power consumption, see the Audio Codec section of the description overview.
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