低输入偏置电流放大器 (<100 pA)

当电流或电压的差值较小并且需要予以精确测量时,就需要使用低输入偏置电流运算放大器。使用这些运算放大器时,放大器的输入不会淹没信号。低输入偏置电流运算放大器在与传感器接口的应用中,如光电二极管、pH计或其他静电计及下游电子产品的相关功能,起着关键作用。ADI公司提供许多精密运算放大器,适合这些应用的定义和范围。

Low Input Bias Current Amplifiers (<=100 pA)

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SortOrderPart#Vs span
(min)
(V)
Vs span
(max)
(V)
Iq/Amp
(typ)
(A)
# of AmpsIbias
(max)
(A)
Vos
(max)
(V)
Vos TC
(typ)
(V/°C)
GBP
(typ)
(Hz)
Slew Rate
(typ)
(V/us)
0.1 to 10 Hz VNoise
(typ)
(V p-p)
VNoise Density
(typ)
(V/rtHz)
US Price 1000 to 4999
($ US)
1ADA4625-1 5 36 4m 1 75p 80µ 200n 18M 48 150n 3.3n $3.75
2ADA4622-4 5 30 665µ 4 10p 350µ 8M 23 750n 12.5n $3.38
3ADA4622-1 5 30 715µ 1 10p 350µ 8M 23 750n 12.5n $1.26
4ADA4622-2 5 30 665µ 2 10p 350µ 8M 23 0.75µ 12.5n $1.97
5ADA4530-1Reference Circuit Available 4.5 16 900µ 1 20f 40µ 0.13µ 2M 1.4 14n $11.40
6ADA4610-1 10 36 1.6m 1 25p 400µ- 16.3M 25 450n 7.3n $0.90
7ADA4350 3.3 12 8.5m 1 1p 80µ 100n 175M 100- 5n $5.73
8ADA4610-4 10 36 1.6m 4 25p 400µ 16.3M 25 450n 7.3n $3.65
9AD8244 3 36 180µ 4 10p 350µ-- 800m 400n 13n $1.81
10ADA4666-2 3 18 630µ 2 15p 2.2m 600n 4M 2 18n $0.85
11ADA4661-2Reference Circuit Available 3 18 630µ 2 15p 150µ 600n 4M 2.2 18n $1.13
12ADA4500-2Reference Circuit Available 2.7 5.5 1.55m 2 2p 120µ 900n 10M 5.5 14.5n $0.98
13AD8659 2.7 18 22µ 4 20p 350µ 230k 80m 45n $1.35
14ADA4610-2 10 36 1.6m 2 25p 400µ 500n 16.3M 25 450n 7.3n $1.43
15ADA4001-2 9 36 2m 2 30p 1.5m 16.7M 25- 7.7n $1.09
16ADA4638-1Reference Circuit Available 4.5 30 850µ 1 90p 4.5µ 80n 1.5M 1.5 1.2µ 66n $1.28
17AD823A 3 36 5.1m 2 25p 3.5m 10M 35- 13n $2.51
18AD8657Reference Circuit Available 2.7 18 22µ 2 20p 350µ 230k 80m 45n $0.95
19ADA4891-4Reference Circuit Available 2.7 5.5 4.4m 4 50p 10m 105M 170- 9n $1.09
20ADA4891-3 2.7 5.5 4.4m 3 50p 10m 105M 170- 9n $0.89
21ADA4637-1 9 30 7m 1 5p 200µ 79.9M 170 700n 4.8n $3.47
22ADA4891-2 2.7 5.5 4.4m 2 50p 10m 105M 170- 9n $0.69
23ADA4891-1 2.7 5.5 4.4m 1 50p 10m 105M 170- 9n $0.49
24ADA4691-4 2.7 5.5 165µ 4 5p 2.5m 3.6M 1.3 3.2µ 13n $0.90
25ADA4692-4 2.7 5.5 225µ 4 5p 2.5m 3.6M 1.3- 13n $0.85
26ADA4051-1 0 5 15µ 1 70p 17µ 20n 125k 60m 1.96µ 95n $0.93
27AD8505 1.8 5 16.5µ 1 10p 2.5m 95k 13m 2.8µ 45n $0.47
28ADA4691-2 2.7 5.5 165µ 2 5p 2.5m 3.6M 1.3 3.2µ 13n $0.57
29ADA4627-1Reference Circuit Available 9 36 7m 1 5p 200µ 19M 56 700n 4.8n $3.47
30ADA4505-1 1.8 5 1 2p 3m 50k 6m 2.95µ 65n $0.41
31ADA4062-4 8 36 165µ 4 50p 1.5m 1.4M 3.3 1.5µ 36n $1.21
32ADA4051-2Reference Circuit Available 0 5 13µ 2 70p 15µ 20n 125k 60m 1.96µ 95n $1.47
33ADA4692-2 2.7 5 180µ 2 5p 2.5m 3.6M 1.3- 16n $0.55
34ADA4665-2 5 16 400µ 2 1p 4m 1.2M 1 27n $0.70
35ADA4817-2Reference Circuit Available 5 10 19m 2 20p 2m 410M 870- 4n $4.98
36ADA4817-1 5 10 19m 1 20p 2m 410M 870- 4n $2.95
37ADA4505-4 1.8 5 4 2p 3m 50k 6m 2.95µ 65n $1.01
38ADA4062-2Reference Circuit Available 8 36 165µ 2 50p 1.5m 1.4M 3.3 1.5µ 36n $0.75
39ADA4505-2Reference Circuit Available 1.8 5 2 2p 3m 50k 6m 2.95µ 65n $0.57
40AD8508Reference Circuit Available 1.8 5 500µ 4 10p 2.5m 95k 13m 2.8µ 45n $1.02
41AD8639Reference Circuit Available 4.5 16 1.5m 2 75p 30n 1.5M 2 1.2µ 60n $1.86
42AD8669 5 16 285µ 4 45p 300µ 1.5µ 540k 300m 2.5µ 21n $2.70
43AD8647 2.7 5.5 2m 2 1p 2.5m 1.8µ 24M 11 2.3µ 6n $0.75
44AD8638Reference Circuit Available 4.5 16 1.5m 1 75p 30n 1.5M 2 1.2µ 60n $1.08
45AD8506 1.8 5 20µ 2 10p 2.5m 95k 13m 2.8µ 45n $0.57
46AD8663 5 16 285µ 1 45p 300µ 1.5µ 540k 300m 2.5µ 21n $1.17
47AD8646Reference Circuit Available 2.7 5.5 2m 2 1p 2.5m 1.8µ 24M 11 2.3µ 6n $0.65
48ADA4000-4 8 36 1.65m 4 40p 1.7m 5M 20 16n $2.22
49ADA4000-2 8 36 1.65m 2 40p 1.7m 5M 20 16n $1.31
50ADA4000-1Reference Circuit Available 8 36 1.65m 1 40p 1.7m 5M 20 16n $0.73
51AD8667 5 16 285µ 2 45p 300µ 1.5µ 540k 300m 2.5µ 21n $1.58
52AD8539 2.7 5 210µ 2 60p 15µ 30n 430k 400m 1.2µ 52n $0.72
53ADTL084 8 36 1.2m 4 100p 5.5m 10µ 5M 20- 16µ $0.92
54ADTL082 8 36 1.2m 2 100p 5.5m 10µ 5M 20- 16n $0.43
55AD8504 1.8 5 750n 4 10p 3m 7k 4m 190n $1.00
56AD8502Reference Circuit Available 1.8 5 750n 2 10p 3m 7k 4m 190n $0.70
57AD8684 9 36 210µ 4 20p 1m 10µ 3.5M 9 1.3µ 36n $2.44
58AD8682 9 36 210µ 2 20p 1m 10µ 3.5M 9 1.3µ 36n $1.66
59AD8665 5 16 1.55m 1 1p 2.5m 4M 3.5 2.5µ 8n $0.83
60AD8666 5 16 1.55m 2 1p 2.5m 4M 3.5 2.5µ 8n $0.93
61AD8664 5 16 1.55m 4 1p 160µ 4M 3.5 2.5µ 10n $2.23
62AD8668 5 16 1.55m 4 1p 2.5m 4M 3.5 2.5µ 8n $1.75
63AD8662 5 16 1.4m 2 1p 160µ 4M 3.5 2.5µ 10n $1.37
64AD8500Reference Circuit Available 1.8 5 750n 1 10p 1m 7k 4m- 190n $0.71
65AD8648 2.7 5.5 2m 4 1p 2.5m 1.8µ 24M 11 2.3µ 6n $0.92
66AD8613 1.8 5 38µ 1 1p 2.2m 2.5µ 350k 100m 2.3µ 22n $0.46
67AD8538 2.7 5 180µ 1 25p 13µ 30n 430k 400m 50n $0.50
68AD8661 5 16 1.4m 1 1p 160µ 4M 3.5 2.5µ 10n $1.08
69AD8619 1.8 5 38µ 4 1p 2.2m 400k 100m 2.3µ 22n $1.11
70AD8617Reference Circuit Available 1.8 5 38µ 2 1p 2.2m 400k 100m 2.3µ 22n $0.71
71AD8656 2.7 5.5 4.5m 2 10p 250µ 400n 28M 11- 2.7n $1.25
72AD8694Reference Circuit Available 2.7 5.5 1.05m 4 1p 2m 1.3µ 10M 5 1.6µ 6.5n $0.80
73AD8655 2.7 5.5 4.5m 1 10p 250µ 400n 28M 11- 2.7n $0.80
74AD8643 5 26 290µ 4 1p 750µ 2.5µ 3.5M 3 4.2µ 27.5n $3.85
75AD8642 5 26 290µ 2 1p 750µ 2.5µ 3.5M 3 4.2µ 27.5n $2.35
76AD8691 2.7 5.5 1.05m 1 1p 2m 10M 5 1.6µ 6.5n $0.48
77AD8615Reference Circuit Available 2.7 5.5 1.7m 1 1p 100µ 24M 12 2.4µ 7n $0.76
78AD8692Reference Circuit Available 2.7 5.5 1.05m 2 1p 2m 1.3µ 10M 5 1.6µ 6.5n $0.60
79AD8652 2.7 5.5 9m 2 10p 300µ 50M 41- 4.5n $1.99
80AD8641Reference Circuit Available 5 26 290µ 1 1p 750µ 2.5µ 3.5M 3 4.2µ 27.5n $1.47
81AD8629Reference Circuit Available 2.7 5.5 850µ 2 100p 2n 2.5M 1 500n 22n $1.47
82AD8618Reference Circuit Available 2.7 5.5 2m 4 1p 60µ 1.5µ 24M 12 2.4µ 7n $2.29
83AD8616 2.7 5.5 1.7m 2 1p 60µ 1.5µ 24M 12 2.4µ 7n $1.29
84AD8651 2.7 5.5 9m 1 10p 350µ 50M 41- 4.5n $1.13
85AD8626 5 26 850µ 2 1p 750µ 2.5µ 5M 5 2.5µ 16n $2.63
86AD8625 5 26 850µ 4 1p 750µ 2.5µ 5M 5 2.5µ 16n $4.09
87AD8609Reference Circuit Available 1.8 5 40µ 4 1p 300µ 316k 100m 2.3µ 22n $1.85
88AD8607 1.8 5 50µ 2 1p 300µ 316k 100m 2.3µ 22n $1.02
89AD8513 9 30 2.5m 4 80p 1m 1.7µ 8M 20- 7.6n $4.08
90AD8603Reference Circuit Available 1.8 5 50µ 1 1p 300µ 316k 100m 2.3µ 22n $0.68
91AD8627 5 26 850µ 1 1p 750µ 2.5µ 5M 5 2.5µ 16n $1.60
92AD8608Reference Circuit Available 2.7 5 1.2m 4 1p 300µ 1.5µ 10M 5 2.3µ 6.5n $1.77
93AD8067 5 24 7m 1 5p 1m 54M 640- 6.6n $1.89
94AD8605Reference Circuit Available 2.7 5 1.2m 1 1p 300µ 10M 5 2.3µ 6.5n $0.73
95AD8515Reference Circuit Available 1.8 5 500µ 1 30p 6m 5M 2.7- 20n $0.28
96AD8510Reference Circuit Available 9 30 2.5m 1 80p 400µ 8M 20- 7.6n $1.05
97AD8066Reference Circuit Available 5 24 7.4m 2 7p 1.5m 145M 180- 7n $2.32
98AD8033 5 24 3.3m 1 12p 2m 40M 80- 11n $1.13
99AD8628Reference Circuit Available 2.7 5.5 850µ 1 100p 2n 2.5M 1 500n 22n $0.96
100AD8620Reference Circuit Available 10 26 3.5m 2 10p 150µ 500n 25M 60 1.8µ 6n $7.50
101AD8606Reference Circuit Available 2.7 5 1.2m 2 1p 300µ 10M 5 2.3µ 6.5n $1.31
102AD8065Reference Circuit Available 5 24 7.4m 1 7p 1.5m 145M 180- 7n $1.61
103AD8034 5 24 3.3m 2 12p 2m 40M 80- 11n $1.77
104AD8512 9 30 2.5m 2 80p 400µ 8M 20- 7.6n $1.56
105AD8610Reference Circuit Available 10 26 3.5m 1 10p 100µ 500n 25M 60 1.8µ 6n $3.75
106AD8604 2.7 5.5 750µ 4 60p 600µ 8.4M 6- 18n $1.01
107AD8601Reference Circuit Available 2.7 5 750µ 1 60p 500µ 8.4M 6- 18n $0.39
108AD8602 2.7 5.5 750µ 2 60p 500µ 8.4M 6- 18n $0.48
109AD8574 2.7 5.5 975µ 4 50p 5n 1.5M 400m 1.3µ 51n $3.40
110AD8572 2.7 5.5 975µ 2 50p 5n 1.5M 400m 1.3µ 51n $1.78
111AD8571 2.7 5.5 975µ 1 50p 5n 1.5M 400m 1.3µ 51n $1.11
112AD8554 2.7 5 975µ 4 50p 5n 1.5M 400m 42n $3.43
113AD8552 2.7 5 975µ 2 50p 5n 1.5M 400m 42n $1.94
114AD8551 2.7 5 975µ 1 50p 5n 1.5M 400m 42n $1.22
115AD8591 2.5 6 1.25m 1 50p 25m 20µ 3M 5- 30n $0.29
116AD8592 2.5 6 1.25m 2 50p 25m 20µ 3M 5- 30n $0.39
117AD8544 2.5 5 65µ 4 60p 6m 1M 920m- 38n $0.54
118AD8542Reference Circuit Available 2.5 5 65µ 2 60p 6m 1M 920m- 38n $0.38
119AD8541Reference Circuit Available 2.5 5 65µ 1 60p 6m 1M 920m- 38n $0.27
120AD825 10 36 6.5m 1 40p 2m 10µ 26M 140- 12n $1.84
121AD8531 3 6 1.25m 1 50p 25m 20µ 3M 5- 30n $0.27
122AD8534 3 6 1.25m 4 50p 25m 20µ 3M 5- 30n $0.60
123AD8532 3 6 1.25m 2 50p 25m 20µ 3M 5- 30n $0.43
124AD823 3 36 5.2m 2 30p 3.5m 10M 25- 16n $3.07
125AD824 2.7 30 560µ 4 35p 2.5m 2M 2 16n $5.26
126AD822Reference Circuit Available 5 30 900µ 2 25p 1.5m 1.8M 3 13n $3.07
127AD820 5 30 900µ 1 10p 1m 1.8M 3 13n $1.97
128AD795 8 36 1.5m 1 2p 500µ 1.6M 1 9n $3.65
129OP482 9 36 210µ 4 100p 4m 10µ 4M 9 1.3µ 36n $2.16
130OP282 9 36 210µ 2 100p 3m 10µ 4M 9 1.3µ 36n $1.42
131OP297 4 40 625µ 2 100p 50µ 200n 500k 150m 500n 17n $2.61
132OP249 9 36 3.5m 2 75p 750µ 4.7M 22 16n $2.05
133OP97 4 40 600µ 1 100p 25µ 300n 900k 200m 500n 14n $1.28
134AD744 9 36 3.5m 1 100p 500µ 13M 75 16n $3.01
135AD549 10 36 700µ 1 60f 500µ 10µ 1M 3 35n $22.26
136AD712 9 36 2.8m 2 75p 1m 4M 20 16n $1.86
137AD711 9 36 2.8m 1 50p 1m 4M 20 16n $1.46

技术资源