CY8C27143_13 Datasheet, PDF (31/64 Pages) Cypress Semiconductor – PSoC® Programmable System-on-Chip™

CY8C27143, CY8C27243
CY8C27443, CY8C27543
CY8C27643
Table 23. 3.3-V DC Analog Reference Specifications
Reference
ARF_CR
[5:3]
Reference Power
Settings
RefPower = high
Opamp bias = high
0b010
RefPower = high
Opamp bias = low
RefPower = medium
Opamp bias = high
0b011
0b100
RefPower = medium
Opamp bias = low
All power settings.
Not allowed for 3.3 V
All power settings.
Not allowed for 3.3 V
RefPower = high
Opamp bias = high
RefPower = high
Opamp bias = low
0b101
RefPower = medium
Opamp bias = high
RefPower = medium
Opamp bias = low
Symbol
V_REFHI
V_AGND
V_REFLO
V_REFHI
V_AGND
V_REFLO
V_REFHI
V_AGND
V_REFLO
V_REFHI
V_AGND
V_REFLO
–
–
V_REFHI
V_AGND
V_REFLO
V_REFHI
V_AGND
V_REFLO
V_REFHI
V_AGND
V_REFLO
V_REFHI
V_AGND
V_REFLO
Reference
Ref High
AGND
Ref Low
Ref High
AGND
Ref Low
Ref High
AGND
Ref Low
Ref High
AGND
Ref Low
–
–
Ref High
AGND
Ref Low
Ref High
AGND
Ref Low
Ref High
AGND
Ref Low
Ref High
AGND
Ref Low
Description
V_DD
V_DD/2
Vss
V_DD
V_DD/2
Vss
V_DD
V_DD/2
Vss
V_DD
V_DD/2
Vss
–
–
P2[4] + Bandgap
(P2[4] = V_DD/2)
P2[4]
P2[4] – Bandgap
(P2[4] = V_DD/2)
P2[4] + Bandgap
(P2[4] = V_DD/2)
P2[4]
P2[4] – Bandgap
(P2[4] = V_DD/2)
P2[4] + Bandgap
(P2[4] = V_DD/2)
P2[4]
P2[4] – Bandgap
(P2[4] = V_DD/2)
P2[4] + Bandgap
(P2[4] = V_DD/2)
P2[4]
P2[4] – Bandgap
(P2[4] = V_DD/2)
Min
Typ
Max
Unit
V_DD – 0.06 V_DD – 0.010
V_DD
V
V_DD/2 – 0.05 V_DD/2 – 0.002 V_DD/2 + 0.040 V
Vss
Vss + 0.009 Vss + 0.056 V
V_DD – 0.060 V_DD – 0.006
V_DD
V
V_DD/2 – 0.028 V_DD/2 – 0.001 V_DD/2 + 0.025 V
Vss
Vss + 0.005 Vss + 0.034 V
V_DD – 0.058 V_DD – 0.008
V_DD
V
V_DD/2 – 0.037 V_DD/2 – 0.002 V_DD/2 + 0.033 V
Vss
Vss + 0.007 Vss + 0.046 V
V_DD – 0.057 V_DD – 0.006
V_DD
V
V_DD/2 – 0.025 V_DD/2 – 0.001 V_DD/2 + 0.022 V
Vss
Vss + 0.004 Vss + 0.030 V
–
–
–
–
–
–
–
–
P2[4] + 1.213 P2[4] + 1.291 P2[4] + 1.367 V
P2[4]
P2[4]
P2[4]
V
P2[4] – 1.333 P2[4] – 1.294 P2[4] – 1.208 V
P2[4] + 1.217 P2[4] + 1.294 P2[4] + 1.368 V
P2[4]
P2[4]
P2[4]
V
P2[4] – 1.320 P2[4] – 1.296 P2[4] – 1.261 V
P2[4] + 1.217 P2[4] + 1.294 P2[4] + 1.369 V
P2[4]
P2[4]
P2[4]
V
P2[4] – 1.322 P2[4] – 1.297 P2[4] – 1.262 V
P2[4] + 1.219 P2[4] + 1.295 P2[4] + 1.37 V
P2[4]
P2[4]
P2[4]
V
P2[4] – 1.324 P2[4] – 1.297 P2[4] – 1.262 V
Document Number: 38-12012 Rev. *X
Page 31 of 64