TSC2100 Datasheet, PDF (14/71 Pages) Texas Instruments – PROGRAMMABLE TOUCH SCREEN CONTROLLER WITH INTEGRATED STEREO AUDIO CODEC AND HEADPHONE/SPEAKER AMPLIFIER

TSC2100
SLAS378− NOVEMBER 2003
www.ti.com
0
−20
−40
−60
−80
−100
−120
−140
−160
0
5000
10000
Hz
15000
20000
Figure 11. DAC FFT Plot (T_A = 25°C, 48 ksps, 0 dB, 1 kHz Input, AVDD = 3.3 V, R_L = 10 kΩ)
0
−10
−30
−50
−70
−90
−110
−130
−150
0
5000
10000
Hz
15000
20000
Figure 12. DAC FFT Plot (T_A = 25°C, 48 ksps, −1 dB, 1 kHz Input, AVDD = DRVDD = 3.3 V, DVDD = 1.8 V,
R_L = 16 Ω)
−88
−90
−92
−94
5
15
25
35
Output Power − mW
Figure 13. High Power Output Driver THD vs Output Power
(T_A =25°C, AVDD, DRVDD = 3.3 V, R_L = 16 W)
14