AD8557ARZ Analog Devices Inc, AD8557ARZ Datasheet - Page 15

• Manufacturer Part Number: AD8557ARZ
• Description: IC AMP CHOPPER 2MHZ 55MA 8SOIC
• Manufacturer: Analog Devices Inc
• Series: DigiTrim®r

Specifications of AD8557ARZ

• Amplifier Type: Chopper (Zero-Drift)
• Number Of Circuits: 1
• Gain Bandwidth Product: 2MHz
• Current - Input Bias: 18nA
• Voltage - Input Offset: 2µV
• Current - Supply: 1.8mA
• Current - Output / Channel: 55mA
• Voltage - Supply, Single/dual (±): 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• No. Of Amplifiers: 1
• Input Offset Voltage: 12µV
• Gain Db Min: 28dB
• Bandwidth: 2MHz
• Amplifier Output: Single Ended / Differential
• Cmrr: 112dB
• Supply Voltage Range: 2.7V To 5.5V
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Output Type: -
• -3db Bandwidth: -
• Slew Rate: -

GAIN VALUES
Table 6. First Stage Gain vs. First Stage Gain Code
First Stage
Gain Code
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Table 7. Second Stage Gain and Gain Ranges vs. Second Stage Gain Code
Second Stage Gain Code
0
1
2
3
4
5
6
7
First Stage Gain
2.800
2.814
2.827
2.841
2.855
2.869
2.883
2.897
2.911
2.926
2.940
2.954
2.969
2.983
2.998
3.012
3.027
3.042
3.057
3.072
3.087
3.102
3.117
3.132
3.147
3.163
3.178
3.194
3.209
3.225
3.241
3.257
Second Stage Gain
10
16
25
40
63
100
160
250
First Stage
Gain Code
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
First Stage Gain
3.273
3.289
3.305
3.321
3.337
3.353
3.370
3.386
3.403
3.419
3.436
3.453
3.470
3.487
3.504
3.521
3.538
3.555
3.573
3.590
3.608
3.625
3.643
3.661
3.679
3.697
3.715
3.733
3.751
3.770
3.788
3.806
Rev. B | Page 15 of 24
Minimum Combined Gain
28.0
44.8
70.0
112.0
176.4
280.0
448.0
700.0
First Stage
Gain Code
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
First Stage Gain
3.825
3.844
3.863
3.881
3.900
3.919
3.939
3.958
3.977
3.997
4.016
4.036
4.055
4.075
4.095
4.115
4.135
4.156
4.176
4.196
4.217
4.237
4.258
4.279
4.300
4.321
4.342
4.363
4.384
4.406
4.427
4.449
Maximum Combined Gain
52.0
83.2
130.0
208.0
327.6
520.0
832.0
1300.0
First Stage
Gain Code
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
First Stage Gain
4.471
4.493
4.515
4.537
4.559
4.581
4.603
4.626
4.649
4.671
4.694
4.717
4.740
4.763
4.786
4.810
4.833
4.857
4.881
4.905
4.929
4.953
4.977
5.001
5.026
5.050
5.075
5.100
5.125
5.150
5.175
5.200
AD8557