參數(shù)資料
型號: TLC320AD90CPMR
廠商: TEXAS INSTRUMENTS INC
元件分類: 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP64
封裝: PLASTIC, LQFP-64
文件頁數(shù): 36/51頁
文件大小: 227K
代理商: TLC320AD90CPMR
3–6
3.3.4.5
ADC Decimation Filter, TA = 25°C, AVDD = DVDD = 5 V ± 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
3.3.4.6
DAC Interpolation Filter, TA = 25°C, AVDD = DVDD = 5 V " 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, TA = 25°C, AVDD = DVDD = 5 V dc,
AVSS = DVSS = 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, TA = 25°C, AVDD = DVDD = 5 V dc, AVSS = DVSS = 0 V,
50-pF External Load
3.4.2.1
Clock Timing
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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