參數(shù)資料
型號： TLV320AIC29IRGZ
廠商： Texas Instruments, Inc.
元件分類： Codec
英文描述： STWREO AUDIO CODEC WITH INTERGRATED HEADPHONE AND SPEAKER AMPLIFIERS
中文描述： STWREO音頻編解碼器集成耳機和音箱放大器
文件頁數(shù)： 7/85頁
文件大?。?/td> 1007K
代理商： TLV320AIC29IRGZ
SLAS494A DECEMBER 2005 REVISED JANUARY 2006
www.ti.com
7
ELECTRICAL CHARACTERISTICS (continued)
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
(continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
DAC HEADPHONE OUTPUT
Full-scale output voltage (0dB)
Load = 16
(single-ended), 50 pF
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
217 Hz, 100 mV on AVDD1/2(1)
1020 Hz, 100 mV on AVDD1/2(1)
80
60
dB
PSRR
65
dB
65
dB
Interchannel isolation
Coupling from ADC to DAC
100
dB
Mute attenuation
120
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
Load = 8
(differential), 50 pF
75
dB
DAC SPEAKER OUTPUT
Full-scale output voltage (0 dB)
1.838
Vrms
Output common mode
1.75
V
SNR
Measured as idle channel noise, A-weighted
90
99
dBA
THD
1 dBFS Input, 0-dB gain
75
55
dB
217 Hz, 100 mV on AVDD1/2
74
PSRR
217 Hz, 100 mV on BVDD
72
dB
1020 Hz, 100 mV on AVDD1/2
74
1020 Hz, 100 mV on BVDD
72
Interchannel isolation
Coupling from ADC to DAC
90
dB
Mute attenuation
120
dB
Maximum output power
400
mW
CELLPHONE
MIC INPUT TO CP_OUT
1020-Hz Sine wave input on MICIN_HND,
load on CP_OUT = 10 k
, 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
89
dBA
THD
0 dBFS Input, 0-dB gain
75
dB
MICSEL to CP_OUT(Differential)
CPOUTPCPOUTN
1020-Hz Sine wave input on MICIN_HND,
load between CP_OUTPCP_OUTN = 10
k
, 50 pF
Full-scale input voltage (0 dB)
0.707
Vrms
Input common mode
1.5
V
Full-scale output voltage (0 dB)
1.414
Vrms
Output common mode
1.5
V
SNR
Measured as idle channel noise, A-weighted
80
96
dBA
THD
0 dBFS Input, 0-dB gain
92
60
dB
PSRR
217 Hz, 100 mV on AVDD1/2
49
dB
1020 Hz, 100 mV on AVDD1/2
49
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