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AD9879BSZ 数据表(PDF) 6 Page - Analog Devices

部件名 AD9879BSZ
功能描述  Mixed-Signal Front End Set-Top Box, Cable Modem
Download  32 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

AD9879BSZ 数据表(HTML) 6 Page - Analog Devices

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AD9879
Rev. A | Page 6 of 32
Parameter
Temp
Test Level
Min
Typ
Max
Unit
Signal-to-Noise Ratio (SNR)
Full
II
46.2
57.2
Bits
Total Harmonic Distortion (THD)
Full
II
−50.1
−44.5
dB
Spurious-Free Dynamic Range (SFDR)
Full
II
44.9
53.4
dB
CHANNEL-TO-CHANNEL ISOLATION
Tx DAC-to-ADC Isolation (AOUT = 5 MHz)
Isolation Between Tx and IQ ADCs
25°C
III
>60
dB
Isolation Between Tx and 10-Bit ADC
25°C
III
>80
dB
Isolation Between Tx and 12-Bit ADC
25°C
III
>80
dB
ADC-to-ADC (AIN = –0.5 dBFS, f = 5 MHz)
Isolation Between IF10 and IF12 ADCs
25°C
III
>85
dB
Isolation Between Q and I Inputs
25°C
III
>50
dB
TIMING CHARACTERISTICS (10 pF Load)
Minimum RESET Pulse Width Low (tRL)
N/A
N/A
5
tMCLK cycles
Digital Output Rise/Fall Time
Full
II
2.8
4
ns
Tx/Rx Interface
MCLK Frequency (fMCLK)
Full
II
66
MHz
TxSYNC/TxIQ Setup Time (tSU)
Full
II
3
ns
TxSYNC/TxIQ Hold Time (tHD)
Full
II
3
ns
MCLK Rising Edge to
RxSYNC/RxIQ/IF Valid Delay (tMD)
Full
II
0
1.0
ns
REFCLK Rising or Falling Edge to
RxSYNC/RxIQ/IF Valid Delay (tOD)
Full
II
TOSC/4 – 2.0
TOSC/4 + 3.0
ns
REFCLK Edge to MCLK Falling Edge (tEE)
Full
II
−1.0
+1.0
ns
Serial Control Bus
Maximum SCLK Frequency (fSCLK)
Full
II
15
MHz
Minimum Clock Pulse Width High (tPWH)
Full
II
30
ns
Minimum Clock Pulse Width Low (tPWL)
Full
II
30
ns
Maximum Clock Rise/Fall Time
Full
II
1
ms
Minimum Data/Chip-Select Setup Time (tDS)
Full
II
25
ns
Minimum Data Hold Time (tDH)
Full
II
0
ns
Maximum Data Valid Time (tDV)
Full
II
30
ns
CMOS LOGIC INPUTS
Logic 1 Voltage
25°C
II
VDRVDD – 0.7
V
Logic 0 Voltage
25°C
II
0.4
V
Logic 1 Current
25°C
II
12
µA
Logic 0 Current
25°C
II
12
µA
Input Capacitance
25°C
II
3
pF
CMOS LOGIC OUTPUTS (1 mA Load)
Logic 1 Voltage
25°C
II
VDRVDD – 0.6
V
Logic 0 Voltage
25°C
II
0.4
V
POWER SUPPLY
Supply Current, IS (Full Operation)
25°C
II
163
184
mA
Analog Supply Current, IAS
25°C
III
95
mA
Digital Supply Current, IDS
25°C
III
68
mA
Supply Current, IS
Standby (PWRDN Pin Active)
25°C
II
119
126
mA
Full Power-Down (Register 0x02 = 0xF9)
25°C
III
16
mA
Power-Down Tx Path (Register 0x02 = 0x60)
25°C
III
113
mA
Power-Down Rx Path (Register 0x02 = 0x19)
25°C
III
110
mA
1 IQ ADC in default mode. ADC Clock Select Register 8, Bit 3 set to 0.


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