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| NOISE ANALYSIS for AD846 + AD829 | ||||||||||
| Inputs | Opamp | |||||||||
| R1 | 1000 | Ω | AD829 | |||||||
| R2 | 1000 | Ω | Vn | 1.70E-09 | V / √ Hz | |||||
| Rp | 1000 | Ω | In | 1.50E-12 | A / √ Hz | |||||
| k | 1.38E-23 | J/K | ||||||||
| T | 300 | K | Opamp | |||||||
| BW | 1.00E+06 | 10 | AD846 | |||||||
| BW corr | 1.57 | 65536 | Vn | 2.00E-09 | V / √ Hz | |||||
| BW noise factor | 1253.00 | 152.587891 | In | 6.00E-12 | A / √ Hz | |||||
| R2 | 1000 | |||||||||
| Gain | 2 | |||||||||
| Noise in AD829 | ||||||||||
| Input voltage noise Vn | 4.26E-06 | |||||||||
| Input current noise flowing in R2 InR2 | 1.88E-06 | |||||||||
| Input current noise flowing in Rp InRp | 3.76E-06 | |||||||||
| Johnson noise in R1 √4kTR1 | 5.10E-06 | |||||||||
| Johnson noise in R2 √4kTR2 | 5.10E-06 | |||||||||
| Johnson noise in Rp √4kTRp | 1.02E-05 | |||||||||
| Analog output noise (V) in AD829 | 1.38E-05 | |||||||||
| R2 | 4000 | |||||||||
| Gain | 5 | |||||||||
| Noise in AD846 | ||||||||||
| Input voltage noise Vn | 1.25E-05 | |||||||||
| Input current noise flowing in R2 InR2 | 3.01E-05 | |||||||||
| Input current noise flowing in Rp InRp | 3.76E-05 | |||||||||
| Johnson noise in R1 √4kTR1 | 2.04E-05 | |||||||||
| Johnson noise in R2 √4kTR2 | 1.02E-05 | |||||||||
| Johnson noise in Rp √4kTRp | 2.55E-05 | |||||||||
| Analog output noise (V) in AD846 | 6.04E-05 | |||||||||
| Analog output noise | 1.35E-04 | |||||||||
| 6.1936E-05 | ||||||||||