For sale is 10pcs brand new 1/2 VI Virtual Ground for Analog Systems IC. It can be used as a regulator which can not only source but also sink load current.
Features for the TLE2426
1/2 VI Virtual Ground for Analog Systems
Self-Contained 3-terminal TO-226AA Package
Micropower Operation...170 uA Typ,
VI = 5 V
Wide VI Range...4 V to 40 V
High Output-Current Capability
Source...20 mA Typ
Sink...20 mA Typ
Excellent Output Regulation: up to ±80 mA (Regulator with both sinking and sourcing current)
-45 uV Typ at IO = 0 to -10 mA
+15 uV Typ at IO = 0 to +10 mA
Low-Impedance Output...0.0075 Ω Typ
Noise Reduction Pin (D, JG, and P Packages Only)