參數(shù)資料
型號(hào): TSC2300IPAGR
廠(chǎng)商: Texas Instruments, Inc.
元件分類(lèi): 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(yè)數(shù): 4/81頁(yè)
文件大小: 1094K
代理商: TSC2300IPAGR
www.ti.com
TSC2300
SLAS372 — NOVEMBER 2002
ELECTRICAL CHARACTERISTICS
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
AUXILARY ANALOG INPUTS
Input voltage range
0
+VREFIN
V
ρ
F
Input capacitance
25
Input leakage current
1
μA
BATTERY MONITOR INPUT
Input voltage range
0.5
6.0
V
ρ
F
Input capacitance
25
±
1
Input leakage current
μA
TEMPERATURE MEASUREMENT
Temperature range
-40
+85
°
C
°
C
°
C
Temperature resolution
0.3
±
2
Accuracy
TOUCH SCREEN A/D CONVERTER
Resolution
Programmable: 8-, 10-,12-Bits
12
Bits
No missing codes
12-bit resolution
10
Bits
Integral linearity
±
6
±
6
±
6
LSB
Offset error
LSB
Gain error
LSB
μV
RMS
Noise
<300
AUDIO CODEC
Sampling frequency
48
kHz
AUDIO I/O
0.15*
AVDD
Audio in
Line, Mic inputs
0.65* AVDD
V
0.15*
AVDD
Audio out
Line outputs
0.65* AVDD
V
ADC performance measured using
Fs=48 KHz
AUDIO ADC
Signal-to-noise ratio, A-weighted
1 kHz input
80
88
dB
Total harmonic distortion
1 kHz, -0.5 dB input
-70
-60
dB
0.18*
AVDD
Full-scale input voltage
Vrms
Transition band
0.45Fs
0.55Fs
Hz
Stop band
0.55Fs
127Fs
Hz
Stop band rejection
70dB
DAC performance measured at Line
Outputs using Fs=48 KHz
AUDIO DAC
0.18*
AVDD
Full-scale output voltage
Vrms
Signal-to-noise ratio, A-weighted
1 kHz input
98
dB
Total harmonic distortion
1 kHz, 0 dB input
-100
dB
Frequency response
20
0.45Fs
Hz
Transition band
0.45Fs
0.55Fs
Hz
Stop band
0.55Fs
3.5Fs
Hz
Stop band rejection
65
dB
4
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