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參數(shù)資料
| 型號： | TLV320AD11A |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | Codec |
| 英文描述： | 3.3 V INTEGRATED ADSL OVER POTS CODEC |
| 中文描述： | 3.3伏集成ADSL POTS和編解碼器 |
| 文件頁數(shù)： | 19/28頁 |
| 文件大?。?/td> | 412K |
| 代理商： | TLV320AD11A |
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TLV320AD11A
3.3 V INTEGRATED ADSL OVER POTS CODEC
SLWS087B – JUNE 1999 – REVISED MARCH 2000
19
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted), typical at T
A
= 25
°
C, f
CLKIN
= 35.328 MHz, analog power supply = 3.3 V, digital
power supply = 3.3 V (unless otherwise noted) (continued)
RX channel (measured differentially unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Signal bandwidth
1104
kHz
Conversion rate
4.416
MHz
Channel gain error
PGA1 = 0 dB,
Input = 99.1875 kHz at –1 dB
PGA2 = 2.5 dB,
–1.5
1.5
dB
PGA gain error
PGA1 (0 to 6 dB at 1 dB/step)
–0.2
0.2
dB
PGA2 (2.5 to 14 dB at 0.25 dB/step)
–0.03
0.03
DC offset
PGA1 = 0 dB,
PGA2 = 2.5 dB
3
mV
Crosstalk
TX to RX channel (99.1875 kHz at –1 dB
see Note 13)
63
dB
Group delay
8
μ
s
dB
Common mode reject ratio (CMRR)
99.1875 kHz at –1 dB
70
Power supply reject ratio (PSRR)
200 mVpp at 99.1875 kHz
50
dB
Analog input self-bias dc voltage
AVDD_FIL_RX/2
±
0.75
V
k
Input impedance
10
AC Performance
SNR
Signal-to-noise ratio
68
THD
Total harmonic distortion ratio
99.1875 kHz at 0 dB
77
dB
TSNR
Signal-to-noise + harmonic distortion ratio
68
MT
Missing tone test (see Note 14)
Missing-tone test (see Note 14)
120.750 kHz (missing-tone)
66
dB
750.375 kHz (missing-tone)
66
Channel Frequency Response (EQ[2:0] = 0 dB/MHz) (refer to Figure 8)
60 kHz
–0.25
0.25
Gain relative to gain at 99.1875 kHz
300 kHz
–0.25
0.25
dB
800 kHz
1000 kHz
1
0.7
NOTES: 13. The analog input test signal is a sine wave with 0 dB = 3 Vpp as the reference level.
14. 250 tones, 25.875 to 1104 kHz, 4.3125 kHz/step, 0 dB.
VCXO DAC
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Resolution
12
±
1
±
4
30
Bits
DNL
Differential nonlinearity
LSB
INL
Integral nonlinearity
LSB
Offset error
mV
Analog output
Full scale output voltage
Load = 50 k
and VDD = 3.3 V
3
V
power dissipation
PARAMETER
Active mode
TEST CONDITIONS
MIN
TYP
800
MAX
850
UNIT
Power dissipation
Power down mode
Power-down mode
Hardware power down
Software power down
65
70
mW
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