參數(shù)資料
型號(hào)： TLV320AIC22PTR
廠商： Texas Instruments, Inc.
元件分類(lèi)： Codec
英文描述： DUAL VOIP CODEC
中文描述： 雙VoIP編解碼器
文件頁(yè)數(shù)： 2/55頁(yè)
文件大?。?/td> 763K
代理商： TLV320AIC22PTR
TLV320AIC22
DUAL VOIP CODEC
SLAS281B – JULY 2000 – REVISED JUNE 2002
10
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
callerID frequency response characteristics (see Figure 1)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
fco(L)
Low-cutoff frequency
Connected as shown in Figure 23
570
Hz
Ap
Passband gain at 2 kHz
1.5
dB
Attenuation from input to IC pin at 60 Hz
–44
dB
NOTE 9: All values are applicable when used with external components as shown in Figure 23.
AP
–3 dB
fco(L) 2 kHz
Figure 1. CallerID Frequency Response
DAC dynamic performance characteristics
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
V
3 dB PGA
i
0 dB
THD
–72
VI = –3 dBr, PGA gain = 0 dB,
Sampling rate = 8 kHz See Note 10
SNR
–70
dB
Sam ling rate = 8 kHz, See Note 10
THD+N
–65
DAC d
i
f
ith h
d
t
V
9 dB PGA
i
0 dB
THD
–63
DAC dynamic performance with handset or
headset drivers (HSOUT or HDOUT)
VI = –9 dBr, PGA gain = 0 dB,
Sampling rate = 8 kHz See Note 10
SNR
–70
dB
headset drivers (HSOUT or HDOUT)
Sam ling rate = 8 kHz, See Note 10
THD+N
–60
V
40 dB PGA
i
0 dB
THD
–45
VI = –40 dBr, PGA gain = 0 dB,
Sampling rate = 8 kHz See Note 10
SNR
–40
dB
Sam ling rate = 8 kHz, See Note 10
THD+N
–38
V
3 dB PGA
i
0 dB
THD
–62
VI = –3 dBr, PGA gain = 0 dB,
Sampling rate = 16 kHz See Note 12
SNR
–75
dB
Sam ling rate = 16 kHz, See Note 12
THD+N
–60
DAC dynamic performance with 8
driver
V
9 dB PGA
i
0 dB
THD
–60
DAC dynamic performance with 8-
driver
(SPOUT)
VI = –9 dBr, PGA gain = 0 dB,
Sampling rate = 16 kHz See Note 12
SNR
–70
dB
(SPOUT)
Sam ling rate = 16 kHz, See Note 12
THD+N
–55
V
40 dBr PGA gain
0 dB
THD
–38
VI = –40 dBr, PGA gain = 0 dB,
Sampling rate = 16 kHz, See Note 12
SNR
–35
dB
Sam ling rate = 16 kHz, See Note 12
THD+N
–32
NOTES: 10. The input signal is the digital equivalent of a sine wave (digital full scale = 0 dBr). A 0 dBr or full-scale digital input results in a 4-V(P-P)
differential output.
12. The input signal is the digital equivalent of a sine wave (digital full scale = 0 dBr). A 0 dBr or full-scale digital input results in a 5-V(P-P)
differential output.
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