Datasheet
TSC2101
SLAS392D− JUNE 2003 − REVISED MAY 2005
www.ti.com
6
ELECTRICAL CHARACTERISTICS (continued)
At +25°C, AVDD1, AVDD2, DRVDD, IOVDD = 3.3 V, BVDD = 3.9 V, DVDD = 1.8 V, V
ref
= 2.5 V, Fs (Audio) = 48 kHz, unless otherwise noted
(continued)
PARAMETER TEST CONDITIONS MIN TYP MAX UNITS
DAC HEADPHONE OUTPUT Load = 16 Ω (single-ended), 50 pF
Full-scale output voltage (0dB) 0.848 Vrms
Output common mode 1.5 V
SNR Measured as idle channel noise, A-weighted 85 95 dBA
THD −1 dBFS Input, 0-dB gain −80 −60 dB
PSRR
217 Hz, 100 mV on
AVDD1/AVDD2/DRVDD
(1)
55 dB
PSRR
1020 Hz, 100 mV on
AVDD1/AVDD2/DRVDD
(1)
55 dB
Interchannel isolation Coupling from ADC to DAC 80 dB
Mute attenuation 100 dB
Maximum output power Per channel 44 mW
Digital volume control −63.5 0 dB
Digital volume control step size 0.5 dB
Channel separation Between SPK1 and SPK2 −75 dB
DAC SPEAKER OUTPUT Load = 8 Ω (differential), 50 pF
Full-scale output voltage (0 dB) 1.838 Vrms
Output common mode 1.75 V
SNR Measured as idle channel noise, A-weighted 90 98 dBA
THD −1 dBFS Input, 0-dB gain −74 −55 dB
217 Hz, 100 mV on AVDD1/2 70
PSRR
217 Hz, 100 mV on BVDD 70
dB
PSRR
1020 Hz, 100 mV on AVDD1/2 70
dB
1020 Hz, 100 mV on BVDD 70
Interchannel isolation Coupling from ADC to DAC 90 dB
Mute attenuation 100 dB
Maximum output power 400 mW
CELLPHONE
MIC INPUT TO CPOUT
1020-Hz Sine wave input on MICIN_HND,
load on CP_OUT = 10 kΩ, 50 pF
Full-scale input voltage (0 dB) 0.707 Vrms
Input common mode 1.5 V
Full-scale output voltage (0 dB) 0.707 Vrms
Output common mode 1.5 V
SNR Measured as idle channel noise, A-weighted 80 89 dBA
THD 0 dBFS Input, 0-dB gain −73 −60 dB
217 Hz, 100 mV on AVDD1/AVDD2/DRVDD 43
PSRR
1020 Hz, 100 mV on
AVDD1/AVDD2/DRVDD
43
dB
Interchannel isolation CP_IN to CP_OUT 75 dB
Mute attenuation CP_OUT muted 100 dB
(1)
DAC PSRR measurement is calculated as:
PSRR + 20 log
10
ǒ
VSIG
sup
V
SPK1ń2
Ǔ