參數(shù)資料
型號(hào): TLC320AD90C
廠商: Texas Instruments, Inc.
元件分類: Codec
英文描述: Stereo Audio Codec(立體聲音頻編碼譯碼器)
中文描述: 立體聲音頻編解碼器(立體聲音頻編碼譯碼器)
文件頁(yè)數(shù): 41/51頁(yè)
文件大?。?/td> 219K
代理商: TLC320AD90C
3–6
3.3.4.5
ADC Decimation Filter, T
A
= 25
°
C, AV
DD
= DV
DD
= 5 V
±
5%
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Pass band
20
19.2
±
0.1
28.8
kHz
Pass band ripple
see Note 15
dB
Transition band
19.2
kHz
Stop band
28.8
kHz
Stop band attenuation (28.8 kHz to 3 MHz)
74
dB
Group delay
0.6
ms
NOTE 15: Exceeds the AC‘97 specification
DAC Interpolation Filter, T
A
= 25
°
C, AV
DD
= DV
DD
= 5 V
3.3.4.6
5%
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Pass band
20
19.2
kHz
Pass band ripple
see Note 15
0.1
dB
Transition band
19.2
28.8
kHz
Stop band
28.8
kHz
Stop band attenuation
(28.8 kHz to 3 MHz)
74
dB
Group delay
0.6
ms
NOTE 15: Exceeds the AC‘97 specification
3.4
Timing Requirements
3.4.1
AC-Link Low-Power Mode Timing, T
A
= 25
°
C, AV
DD
= DV
DD
= 5 V dc,
AV
SS
= DV
SS
= 0 V, 50-pF External Load
PARAMETER
MIN
TYP
MAX
UNIT
td1
Delay time, SDATA_IN
to BIT_CLK
1
ms
3.4.2
AC-Link Timing, T
A
= 25
°
C, AV
DD
= DV
DD
= 5 V dc, AV
SS
= DV
SS
= 0 V,
50-pF External Load
Clock Timing
3.4.2.1
PARAMETER
MIN
TYP
MAX
UNIT
Frequency, BIT_CLK
12.288
MHz
tcyc(BIT_CLK)
Cycle time, BIT_CLK
81.4
ns
Jitter, BIT_CLK
750
ps
twH(CLK)
Pulse width, BIT_CLK high (see Note 16)
32.56
40.7
48.84
ns
twL(CLK)
Pulse width, BIT_CLK low (see Note 16)
32.56
40.7
48.84
ns
Frequency, SYNC
48.0
kHz
tcyc(SYNC)
Cycle time, SYNC
20.8
ms
twH(SYNC)
Pulse width, SYNC high
1.3
ms
twL(SYNC)
Pulse width, SYNC low
19.5
ms
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