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参数资料
| 型号： | AD8156-EVALZ |
| 厂商： | Analog Devices, Inc. |
| 英文描述： | 6.25 Gbps 4】4 Digital Crosspoint Switch with EQ |
| 中文描述： | 6.25 Gbps的4】4数字交叉点开关均衡 |
| 文件页数： | 18/20页 |
| 文件大小： | 376K |
| 代理商： | AD8156-EVALZ |
AD8156
Table 12. Broadcast Connectivity Programming, A[3:0] = b1000
Address Pins
A3
A2
A1
A0
D3
1
0
0
0
0
1
0
0
0
0
1
0
0
0
0
Rev. 0 | Page 18 of 20
Data Pins
D2
1
1
0
Description
D2 = 1 enables all outputs. D[1:0] = b00 connects IN0 to all outputs.
D2 = 1 enables all outputs. D[1:0] = b11 connects IN3 to all outputs.
D2 = 0 disables all outputs. D[1:0] = b10 connects IN2 to all outputs, but all
outputs are disabled.
D1
0
1
1
D0
0
1
0
Table 13. Broadcast Output Level Programming, A[3:0] = b1001
Address Pins
Data Pins
A3
A2
A1
A0
D3
D2
1
0
0
1
0
1
1
0
0
1
1
1
1
0
0
1
0
0
Description (Output Current = 2 mA + (2 mA × D[3:0])
D[3:0] = b0100 sets current of all outputs to 2 mA + (2 mA × 4) = 10 mA.
D[3:0] = b1101 sets current of all outputs to 2 mA + (2 mA × 13) = 28 mA.
D[3:0] = b0000 sets current of all outputs to 2 mA + (2 mA × 0) = 2 mA.
D1
0
0
0
D0
0
1
0
Table 14. Broadcast Equalization (EQ) Programming, A[3:0] = b1011
Address Pins
Data Pins
A3
A2
A1
A0
D3
D2
D1
1
0
1
1
0
1
0
1
0
1
1
1
1
0
1
0
1
1
0
0
0
Description (Gain(f) = D[3:0]15 × 40 log
10
(f0.83 GHz)), assume f = 2.25 GHz
D[3:0] = b0100 sets all input EQ = (4/15 × 40 log
10
(2.25 GHz/0.83 GHz)) = 4.6 dB.
D[3:0] = b1101 sets all input EQ = (13/15 × 40 log
10
(2.25 GHz/0.83 GHz)) =14.95 dB.
D[3:0] = b0000 sets all input EQ = (0/15 × 40 log
10
(2.25 GHz/0.83 GHz)) = 0 dB.
D0
0
1
0
Table 15. Individual Input EQ Programming, A[3:2] = b11
Address Pins
Data Pins
A3
A2
A1
A0
D3
D2
1
1
0
0
0
1
Description (Gain(f) = D[3:0]15 × 40log
10
(f0.83 GHz)), assume f = 2.25 GHz
A[1:0] = b00 selects IN0.
D[3:0] = b0100 sets EQ = (4/15 × 40 log
10
(2.25 GHz/0.83 GHz)) = 4.6 dB.
A[1:0] = b01 selects IN1.
D[3:0] = b1101 sets EQ = (13/15 × 40 log
10
(2.25 GHz/0.83 GHz)) = 14.95 dB.
A[1:0] = b10 selects IN2.
D[3:0] = b1111 sets EQ = (15/15 × 40 log
10
(2.25 GHz/0.83 GHz)) = 17.25 dB.
A[1:0] = b11 selects IN3.
D[3:0] = b0000 sets EQ = (0/15 × 40 log
10
(2.25 GHz/0.83 GHz)) = 0 dB.
D1
0
D0
0
1
1
0
1
1
1
0
1
1
1
1
0
1
1
1
1
1
1
1
1
0
0
0
0
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