參數(shù)資料
型號(hào)： TSC2111IRGZRG4
廠商： TEXAS INSTRUMENTS INC
元件分類： 音頻／視頻放大
英文描述： 0.4 W, 1 CHANNEL, AUDIO AMPLIFIER, QCC48
封裝： PLASTIC, QFN-48
文件頁(yè)數(shù)： 45/99頁(yè)
文件大?。?/td> 1143K
代理商： TSC2111IRGZRG4
TSC2111
SLAS495A JUNE 2006 REVISED OCTOBER 2007
www.ti.com
5
ELECTRICAL CHARACTERISTICS
At +25
°C, AVDD1, AVDD2, DRVDD, IOVDD = 3.3 V, BVDD = 3.9 V, DVDD = 1.8 V, Vref = 2.5 V, Fs (Audio) = 48 kHz, unless otherwise noted
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
TOUCH SCREEN AUXILIARY ANALOG INPUT
Input voltage range
0
+VREF
V
Input capacitance
AUX1/2 input selected as input by touch-screen
25
pF
Input leakage current
AUX1/2 input selected as input by touch-screen
1
A
BATTERY MONITOR INPUTS
Input voltage range
0.5
6.0
V
Input leakage current
Battery conversion not selected
1
A
Accuracy
Variation across temperature after system calibration at 4 V
battery voltage and room temperature
15
mV
TOUCH SCREEN A/D CONVERTER
Resolution
Programmable: 8-, 10-,12-bits
8
12
Bits
No missing codes
12-Bit resolution
11
Bits
Integral nonlinearity
5
LSB
Offset error
6
LSB
Gain error
6
LSB
Noise
30
Vrms
VOLTAGE REFERENCE (VREF)
VREF output programmed = 2.5 V
2.3
2.5
2.7
V
Voltage range
VREF output programmed = 1.25 V
1.25
V
Voltage range
External reference
1.1
2.5
V
Reference drift
Internal VREF = 1.25 V
20
ppm/
°C
Current drain
Extra current drawn when the internal reference is turned on.
750
A
AUDIO CODEC
ADC CHANNEL DIGITAL FILTER CHARACTERISTICS
Filter gain from 0 to 0.39 Fs
±0.1
dB
Filter gain at 0.4125 Fs
0.25
dB
Filter gain at 0.45 Fs
0.3
dB
Filter gain at 0.5 Fs
17.5
dB
Filter gain from 0.55 Fs to 64 Fs
75
dB
Group delay
17/Fs
sec
MICROPHONE INPUT TO ADC
MICIN_HED 1020 Hz sine wave input, Fs = 48 ksps
Full-scale input voltage (0 dB)
0.707
Vrms
Input common mode
1.5
V
SNR
Measured as idle channel noise, 0 dB gain, A-weighted
80
90
dBA
THD
0.63 Vrms input, 0-dB gain
81
72
dB
PSRR
217 Hz, 100 mV on AVDD1/2(1)
55
dB
PSRR
1020 Hz, 100 mV on AVDD1/2(1)
55
dB
Mute attenuation
Output code with 0.63 Vrms sine wave input at 1 kHz
0000H
Input resistance
Only ADC on
15
50
k
Input resistance
ADC and Sidetone on
8
16
k
Input capacitance
10
pF
(1) ADC PSRR measurement is calculated as:
PSRR
+ 20 log
10
VSIGsup
V
ADCOUT
where VSIGsup is the ac signal applied on AVDD1/2, which is 100 mVPP at 1020 Hz, and
V
ADCOUT +
Amplitude of Digital Output
Max Possible Digital Amplitude
相關(guān)PDF資料
PDF描述
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參數(shù)描述
TSC2111IRGZT 功能描述:觸摸屏轉(zhuǎn)換器和控制器 SMART 4-Wire with Audio RoHS:否 制造商:Microchip Technology 類型:Resistive Touch Controllers 輸入類型:3 Key 數(shù)據(jù)速率:140 SPS 分辨率:10 bit 接口類型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 電源電壓:2.5 V to 5.25 V 電源電流:17 mA 工作溫度:- 40 C to + 85 C 封裝 / 箱體:SSOP-20
TSC2111IRGZTG4 功能描述:觸摸屏轉(zhuǎn)換器和控制器 SMART 4-Wire with Audio RoHS:否 制造商:Microchip Technology 類型:Resistive Touch Controllers 輸入類型:3 Key 數(shù)據(jù)速率:140 SPS 分辨率:10 bit 接口類型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 電源電壓:2.5 V to 5.25 V 電源電流:17 mA 工作溫度:- 40 C to + 85 C 封裝 / 箱體:SSOP-20
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TSC2117 制造商:TI 制造商全稱:Texas Instruments 功能描述:Low-Power Audio Codec With Embedded miniDSP, Stereo Class-D Speaker Amplifier, and Smart Four-Wire Touch-Screen Controller
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