參數(shù)資料
型號： TSC2300IPAGR
廠商： Texas Instruments, Inc.
元件分類： Codec
英文描述： PROGRAMMABLE TOUCH SCREEN CONTROLLER WITH AUDIO CODEC
中文描述： 可編程觸摸屏控制器與音頻編解碼器
文件頁數(shù)： 5/81頁
文件大?。?/td> 1094K
代理商： TSC2300IPAGR
www.ti.com
TSC2300
SLAS372 — NOVEMBER 2002
ELECTRICAL CHARACTERISTICS (continued)
At 25
°
C, HPV
DD
= AV
DD
= DV
DD
= +3.3 V, V
REF
= External 2.5 V, unless otherwise noted.
TSC2300
PARAMETER
CONDITIONS
UNITS
MIN
TYP
MAX
DAC playback through headphone
driver
R=32
R=16
R=16
V
DD
=3.6V
HEADPHONE DRIVER
Output power per channel
14
mW
27
mW
32
mW
Signal-to-noise ratio, A-weighted
85
96
dB
Total harmonic distortion
R=32
1 kHz, 0 dB input
R=16
1 kHz, -3 dB input
-83
-70
dB
-77
dB
D/A CONVERTER
Output current range
Measured with ARNG floating
0.75
1.10
mA
Resolution
8.8
Bits
VOLTAGE REFERENCE
Voltage range
Internal 2.5 V
2.34
2.49
2.54
V
ppm/
°
C
Reference drift
50
Current drain
20
μA
DIGITAL INPUT / OUTPUT
Internal clock frequency
8.8
MHz
Logic family
CMOS
Logic level: V
IH
V
IL
I
IH
=5μA
I
IL
=5μA
0.7V
DD
-0.3
V
0.3V
DD
V
0.8*
V
OH
I
OH
=2 TTL loads
V
DVDD
V
OL
POWER SUPPLY REQUIREMENTS
I
OL
=2 TTL loads
0.2* DVDD
V
Power supply voltage
DV
DD
, AV
DD
, HPV
DD
Quiescent current(1)
2.7
3.6
V
Touch screen only
1 kHz SAR sample rate, external V
ref
20 kHz SAR sample rate, internal V
ref
44.1 kHz Playback, V
DD
=2.7V
Mono 8 kHz record, V
DD
=2.7V
Audio fully powered down
14
μA
Touch screen only
1.7
mA
Playback only
10
mA
Voice Record only
5.8
mA
Power down
.05
μA
(1)
For more details on power consumption, see the Audio Codec section of the description overview.
5
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