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參數(shù)資料
| 型號： | AD8156ABCZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 10/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC SWITCH XPT 4X4 W/EQ 49CSPBGA |
| 標準包裝： | 1 |
| 系列： | XStream™ |
| 應用： | 4 x 4 交叉點開關 |
| 接口： | LVTTL，LVCMOS |
| 電源電壓： | 3 V ~ 3.6 V |
| 封裝/外殼： | 49-BGA，CSPBGA |
| 供應商設備封裝： | 49-CSPBGA（8x8） |
| 包裝： | 管件 |
| 安裝類型： | 表面貼裝 |
AD8156
Rev. 0 | Page 18 of 20
Table 12. Broadcast Connectivity Programming, A[3:0] = b1000
Address Pins
Data Pins
A3
A2
A1
A0
D3
D2
D1
D0
Description
1
0
1
0
D2 = 1 enables all outputs. D[1:0] = b00 connects IN0 to all outputs.
1
0
1
D2 = 1 enables all outputs. D[1:0] = b11 connects IN3 to all outputs.
1
0
1
0
D2 = 0 disables all outputs. D[1:0] = b10 connects IN2 to all outputs, but all
outputs are disabled.
Table 13. Broadcast Output Level Programming, A[3:0] = b1001
Address Pins
Data Pins
A3
A2
A1
A0
D3
D2
D1
D0
Description (Output Current = 2 mA + (2 mA × D[3:0])
1
0
1
0
1
0
D[3:0] = b0100 sets current of all outputs to 2 mA + (2 mA × 4) = 10 mA.
1
0
1
0
1
D[3:0] = b1101 sets current of all outputs to 2 mA + (2 mA × 13) = 28 mA.
1
0
1
0
D[3:0] = b0000 sets current of all outputs to 2 mA + (2 mA × 0) = 2 mA.
Table 14. Broadcast Equalization (EQ) Programming, A[3:0] = b1011
Address Pins
Data Pins
A3
A2
A1
A0
D3
D2
D1
D0
Description (Gain(f) = D[3:0]15 × 40 log10(f0.83 GHz)), assume f = 2.25 GHz
1
0
1
0
1
0
D[3:0] = b0100 sets all input EQ = (4/15 × 40 log10(2.25 GHz/0.83 GHz)) = 4.6 dB.
1
0
1
0
1
D[3:0] = b1101 sets all input EQ = (13/15 × 40 log10(2.25 GHz/0.83 GHz)) =14.95 dB.
1
0
1
0
D[3:0] = b0000 sets all input EQ = (0/15 × 40 log10(2.25 GHz/0.83 GHz)) = 0 dB.
Table 15. Individual Input EQ Programming, A[3:2] = b11
Address Pins
Data Pins
A3
A2
A1
A0
D3
D2
D1
D0
Description (Gain(f) = D[3:0]15 × 40log10(f0.83 GHz)), assume f = 2.25 GHz
1
0
1
0
A[1:0] = b00 selects IN0.
D[3:0] = b0100 sets EQ = (4/15 × 40 log10(2.25 GHz/0.83 GHz)) = 4.6 dB.
1
0
1
0
1
A[1:0] = b01 selects IN1.
D[3:0] = b1101 sets EQ = (13/15 × 40 log10(2.25 GHz/0.83 GHz)) = 14.95 dB.
1
0
1
A[1:0] = b10 selects IN2.
D[3:0] = b1111 sets EQ = (15/15 × 40 log10(2.25 GHz/0.83 GHz)) = 17.25 dB.
1
0
A[1:0] = b11 selects IN3.
D[3:0] = b0000 sets EQ = (0/15 × 40 log10(2.25 GHz/0.83 GHz)) = 0 dB.
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