Data Sheet

AD8557

Rev. D | Page 15 of 24

GAIN VALUES

Table 6. First Stage Gain vs. First Stage Gain Code

First Stage

Gain Code

First Stage Gain

First Stage

Gain Code

First Stage Gain

First Stage

Gain Code

First Stage Gain

First Stage

Gain Code

First Stage Gain

0

2.800

32

3.273

64

3.825

96

4.471

1

2.814

33

3.289

65

3.844

97

4.493

2

2.827

34

3.305

66

3.863

98

4.515

3

2.841

35

3.321

67

3.881

99

4.537

4

2.855

36

3.337

68

3.900

100

4.559

5

2.869

37

3.353

69

3.919

101

4.581

6

2.883

38

3.370

70

3.939

102

4.603

7

2.897

39

3.386

71

3.958

103

4.626

8

2.911

40

3.403

72

3.977

104

4.649

9

2.926

41

3.419

73

3.997

105

4.671

10

2.940

42

3.436

74

4.016

106

4.694

11

2.954

43

3.453

75

4.036

107

4.717

12

2.969

44

3.470

76

4.055

108

4.740

13

2.983

45

3.487

77

4.075

109

4.763

14

2.998

46

3.504

78

4.095

110

4.786

15

3.012

47

3.521

79

4.115

111

4.810

16

3.027

48

3.538

80

4.135

112

4.833

17

3.042

49

3.555

81

4.156

113

4.857

18

3.057

50

3.573

82

4.176

114

4.881

19

3.072

51

3.590

83

4.196

115

4.905

20

3.087

52

3.608

84

4.217

116

4.929

21

3.102

53

3.625

85

4.237

117

4.953

22

3.117

54

3.643

86

4.258

118

4.977

23

3.132

55

3.661

87

4.279

119

5.001

24

3.147

56

3.679

88

4.300

120

5.026

25

3.163

57

3.697

89

4.321

121

5.050

26

3.178

58

3.715

90

4.342

122

5.075

27

3.194

59

3.733

91

4.363

123

5.100

28

3.209

60

3.751

92

4.384

124

5.125

29

3.225

61

3.770

93

4.406

125

5.150

30

3.241

62

3.788

94

4.427

126

5.175

31

3.257

63

3.806

95

4.449

127

5.200

Table 7. Second Stage Gain and Gain Ranges vs. Second Stage Gain Code

Second Stage Gain Code

Second Stage Gain

Minimum Combined Gain

Maximum Combined Gain

0

10

28.0

52.0

1

16

44.8

83.2

2

25

70.0

130.0

3

40

112.0

208.0

4

63

176.4

327.6

5

100

280.0

520.0

6

160

448.0

832.0

7

250

700.0

1300.0