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TSC2102IDAR bảng dữ liệu(PDF) 5 Page - Texas Instruments

tên linh kiện TSC2102IDAR
Giải thích chi tiết về linh kiện  PROGRAMMABLE TOUCH SCREEN CONTROLLER WITH INTEGRATED STEREO AUDIO DAC AND HEADPHONE AMPLIFIER
PDF  58 Pages
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nhà sản xuất  TI2 [Texas Instruments]
Trang chủ  https://www.ti.com
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TSC2102IDAR bảng dữ liệu(HTML) 5 Page - Texas Instruments

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TSC2102
SLAS379A− APRIL 2003 − REVISED JUNE 2004
www.ti.com
5
ELECTRICAL CHARACTERISTICS (continued)
At +25
°C, AVDD,DRVDD,IOVDD = 3.3 V, DVDD = 1.8 V, Int. Vref = 2.5 V, Fs (Audio) = 48 kHz, unless otherwise noted (continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
POWER SUPPLY REQUIREMENTS
Power supply voltage
AVDD
2.7
3.6
V
DRVDD
2.7
3.6
V
IOVDD
2.7
3.6
V
DVDD
1.525
1.95
V
Touch-screen ADC quiescent current
IAVDD, host controlled AUX conversion at
10 ksps with external reference
45
A
Touch-screen ADC quiescent current
IDVDD, host controlled AUX conversion at
10 ksps
65
µA
Analog supply current – Audio play back only
IAVDD + IDRVDD, headphone driver
bypassed, VGND off, PLL off, no signal
2.1
mA
Analog supply current – Audio play back only
IAVDD + IDRVDD, headphone driver and
VGND on, PLL off, no signal
7.1
mA
Digital supply current – Audio play back only
48 ksps, PLL off, no signal
2.2
mA
PLL current
IDRVDD
1
mA
PLL current
IDVDD
0.8
mA
Total current
Hardware power down. All digital inputs at 0 V
or IOVDD.
5
µA
(1) DAC PSRR measurement is calculated as:
PSRR
+ 20 log
10
VSIGsup
V
HPR L
where VSIGsup is the ac signal applied on AVDD, which is 100 mVPP at 1 kHz, and VHPR/L is the peak-to-peak ac signal seen on HPR and HPL
outputs.



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