Data Sheet
AD5940
Table 35. High Speed TIA Resistor Options on the DE0 Input
DE0RESCON, Bits[7:0] Setting
RLOAD_DE0 Resistor Value (Ω)
RTIA_DE0 Resistor Value
50 Ω
100 Ω
200 Ω
1.1 kΩ
0x00
0x18
0x38
0x58
0x60
0x68
0x70
0x78
0x80
0x88
0x9
0
0
0
0
0
0
0
0
5.1 kΩ
10.1 kΩ
20.1 kΩ
40.1 kΩ
80.1 kΩ
160.1 kΩ
50 Ω
0
0
10
10
10
10
10
10
10
10
10
10
30
30
30
30
30
30
30
30
30
30
50
50
50
50
50
50
50
50
50
50
100
100
100
100
100
100
100
100
100
100
0x21
0x39
0x59
0x61
0x69
0x71
0x79
0x81
0x89
0x12
0x2A
0x4A
0x5A
0x62
0x6A
0x72
0x7A
0x82
0x8A
0x1B
0x33
0x4B
0x5B
0x63
0x6B
0x73
0x7B
0x83
0x8B
0x34
0x3C
0x54
0x5C
0x64
0x6C
0x74
0x7C
0x84
0x8C
100 Ω
190 Ω
1.09 kΩ
5.09 kΩ
10.09 kΩ
20.09 kΩ
40.09 kΩ
80.09 kΩ
160.09 kΩ
50 Ω
100 Ω
210 Ω
1.07 kΩ
5.07 kΩ
10.07 kΩ
20.07 kΩ
40.07 kΩ
80.07 kΩ
160.07 kΩ
50 Ω
100 Ω
190 Ω
1.05 kΩ
5.05 kΩ
10.05 kΩ
20.05 kΩ
40.05 kΩ
80.05 kΩ
160.05 kΩ
50 Ω
100 Ω
200 Ω
1 kΩ
5 kΩ
10 kΩ
20 kΩ
40 kΩ
80 kΩ
160 kΩ
Rev. 0 | Page 47 of 130
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