Current Mirrors
Analog Devices current mirrors are precision, high dynamic range, wide variable supply parts used for optical power monitoring, voltage biasing with current monitoring, and voltage-to-current conversion. Our current mirrors can monitor current down to as little as 3 nA and as much as 3 mA, with a linearity of 1% or better. The current dynamic range is 120 dB or 6 decades of current range, while the overcurrent protection feature in our devices forces the input pin to ground to avoid part damage. Over temperature (–40°C to +85°C) and process, the dynamic range only suffers 10 dB at the lower end of the range.
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Current Mirrors
| SortOrder | Part# | BW -3 dB (typ) (Hz) | DNR (typ) (dB) | I-input (min) (A) | I-input (max) (A) | Input/Output Mirror Ratio | Nonlinearity % (typ) (%) | Vs+ (min) (V) | Vs+ (max) (V) | Is Pos (max) (A) | Price (1000+) ($ US) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | ADL5315 | - | 120 | 3n | 3m | 1:1 | 0.25 | 2.7 | 8 | 10.2m | $1.95 (ADL5315ACPZ-R7) |
| 2 | ADL5317 | 2M | 120 | 5n | 5m | 5:1 | 0.25 | 4 | 6 | 4.5m | $4.15 (ADL5317ACPZ-REEL7) |
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