Product Specifications

CY8C29466/CY8C29566
CY8C29666/CY8C29866
Document Number: 38-12013 Rev. AB Page 34 of 67
0b010
RefPower = High
Opamp bias = High
V
REFHI
Ref High
V
DD
V
DD
– 0.06 V
DD
– 0.010 V
DD
V
V
AGND
AGND
V
DD
/2 V
DD
/2 – 0.05 V
DD
/2 – 0.002 V
DD
/2 + 0.040 V
V
REFLO
Ref Low
Vss Vss Vss + 0.009 Vss + 0.056 V
RefPower = High
Opamp bias = Low
V
REFHI
Ref High
V
DD
V
DD
– 0.060 V
DD
– 0.006 V
DD
V
V
AGND
AGND
V
DD
/2 V
DD
/2 – 0.028 V
DD
/2 – 0.001 V
DD
/2 + 0.025 V
V
REFLO
Ref Low
Vss Vss Vss + 0.005 Vss + 0.034 V
RefPower = Med
Opamp bias = High
V
REFHI
Ref High
V
DD
V
DD
– 0.058 V
DD
– 0.008 V
DD
V
V
AGND
AGND
V
DD
/2 V
DD
/2 – 0.037 V
DD
/2 – 0.002 V
DD
/2 + 0.033 V
V
REFLO
Ref Low
Vss Vss Vss + 0.007 Vss + 0.046 V
RefPower = Med
Opamp bias = Low
V
REFHI
Ref High
V
DD
V
DD
– 0.057 V
DD
– 0.006 V
DD
V
V
AGND
AGND
V
DD
/2 V
DD
/2 – 0.025 V
DD
/2 – 0.001 V
DD
/2 + 0.022 V
V
REFLO
Ref Low
Vss Vss Vss + 0.004 Vss + 0.030 V
0b011
All power settings.
Not allowed for 3.3 V
– – – – – – –
0b100
All power settings.
Not allowed for 3.3 V
– – – – – – –
0b101
RefPower = High
Opamp bias = High
V
REFHI
Ref High
P2[4] + BandGap
(P2[4] = V
DD
/2)
P2[4] + 1.213 P2[4] + 1.291 P2[4] + 1.367 V
V
AGND
AGND
P2[4] P2[4] P2[4] P2[4] V
V
REFLO
Ref Low
P2[4] – BandGap
(P2[4] = V
DD
/2)
P2[4] – 1.333 P2[4] – 1.294 P2[4] – 1.208 V
RefPower = High
Opamp bias = Low
V
REFHI
Ref High
P2[4] + BandGap
(P2[4] = V
DD
/2)
P2[4] + 1.217 P2[4] + 1.294 P2[4] + 1.368 V
V
AGND
AGND
P2[4] P2[4] P2[4] P2[4] V
V
REFLO
Ref Low
P2[4] – BandGap
(P2[4] = V
DD
/2)
P2[4] – 1.320 P2[4] – 1.296 P2[4] – 1.261 V
RefPower = Med
Opamp bias = High
V
REFHI
Ref High
P2[4] + BandGap
(P2[4] = V
DD
/2)
P2[4] + 1.217 P2[4] + 1.294 P2[4] + 1.369 V
V
AGND
AGND
P2[4] P2[4] P2[4] P2[4] V
V
REFLO
Ref Low
P2[4] – BandGap
(P2[4] = V
DD
/2)
P2[4] – 1.322 P2[4] – 1.297 P2[4] – 1.262 V
RefPower = Med
Opamp bias = Low
V
REFHI
Ref High
P2[4] + BandGap
(P2[4] = V
DD
/2)
P2[4] + 1.219 P2[4] + 1.295 P2[4] + 1.37 V
V
AGND
AGND
P2[4] P2[4] P2[4] P2[4] V
V
REFLO
Ref Low
P2[4] – BandGap
(P2[4] = V
DD
/2)
P2[4] – 1.324 P2[4] – 1.297 P2[4] – 1.262 V
Table 22. 3.3-V DC Analog Reference Specifications (continued)
Reference
ARF_CR[5:3]
Reference Power
Settings
Symbol Reference Description Min Typ Max Unit