User manual

CY8C27143, CY8C27243
CY8C27443, CY8C27543, CY8C27643
Document Number: 38-12012 Rev. *O Page 27 of 53
– RefHi = 2 x BandGap + P2[6]
(P2[6] = 1.3V)
2 x BG + P2[6] - 0.113 2 x BG + P2[6] - 0.018 2 x BG + P2[6] + 0.077 V
– RefHi = P2[4] + BandGap
(P2[4] = Vdd/2)
P2[4] + BG - 0.130 P2[4] + BG - 0.016 P2[4] + BG + 0.098 V
– RefHi = P2[4] + P2[6] (P2[4] = Vdd/2,
P2[6] = 1.3V)
P2[4] + P2[6] - 0.133 P2[4] + P2[6] - 0.016 P2[4] + P2[6] + 0.100 V
– RefHi = 3.2 x BandGap 3.2 x BG - 0.112 3.2 x BG 3.2 x BG + 0.076 V
– RefLo = Vdd/2 – BandGap Vdd/2 - BG - 0.051 Vdd/2 - BG + 0.024 Vdd/2 - BG + 0.098 V
– RefLo = BandGap BG - 0.082 BG + 0.023 BG + 0.129 V
– RefLo = 2 x BandGap - P2[6]
(P2[6] = 1.3V)
2 x BG - P2[6] - 0.084 2 x BG - P2[6] + 0.025 2 x BG - P2[6] + 0.134 V
– RefLo = P2[4] – BandGap
(P2[4] = Vdd/2)
P2[4] - BG - 0.056 P2[4] - BG + 0.026 P2[4] - BG + 0.107 V
– RefLo = P2[4]-P2[6] (P2[4] = Vdd/2,
P2[6] = 1.3V)
P2[4] - P2[6] - 0.057 P2[4] - P2[6] + 0.026 P2[4] - P2[6] + 0.110 V
Table 24. Silicon Revision A – 5V DC Analog Reference Specifications (continued)
Symbol Description Min Typ Max Unit
[+] Feedback