Product Specifications

CY8C29466/CY8C29566
CY8C29666/CY8C29866
Document Number: 38-12013 Rev. AB Page 32 of 67
0b101
RefPower = High
Opamp bias = High
V
REFHI
Ref High P2[4] + Bandgap
(P2[4] = V
DD
/2)
P2[4] + 1.222 P2[4] + 1.290 P2[4] + 1.343 V
V
AGND
AGND P2[4] P2[4] P2[4] P2[4] –
V
REFLO
Ref Low P2[4] – Bandgap
(P2[4] = V
DD
/2)
P2[4] – 1.331 P2[4] – 1.295 P2[4] – 1.254 V
RefPower = High
Opamp bias = Low
V
REFHI
Ref High P2[4] + Bandgap
(P2[4] = V
DD
/2)
P2[4] + 1.226 P2[4] + 1.293 P2[4] + 1.347 V
V
AGND
AGND P2[4] P2[4] P2[4] P2[4] –
V
REFLO
Ref Low P2[4] – Bandgap
(P2[4] = V
DD
/2)
P2[4] – 1.331 P2[4] – 1.298 P2[4] – 1.259 V
RefPower = Med
Opamp bias = High
V
REFHI
Ref High P2[4] + Bandgap
(P2[4] = V
DD
/2)
P2[4] + 1.227 P2[4] + 1.294 P2[4] + 1.347 V
V
AGND
AGND P2[4] P2[4] P2[4] P2[4] –
V
REFLO
Ref Low P2[4] – Bandgap
(P2[4] = V
DD
/2)
P2[4] – 1.331 P2[4] – 1.298 P2[4] – 1.259 V
RefPower = Med
Opamp bias = Low
V
REFHI
Ref High P2[4] + Bandgap
(P2[4] = V
DD
/2)
P2[4] + 1.228 P2[4] + 1.295 P2[4] + 1.349 V
V
AGND
AGND P2[4] P2[4] P2[4] P2[4] –
V
REFLO
Ref Low P2[4] – Bandgap
(P2[4] = V
DD
/2)
P2[4] – 1.332 P2[4] – 1.299 P2[4] – 1.260 V
0b110
RefPower = High
Opamp bias = High
V
REFHI
Ref High 2 × Bandgap 2.535 2.598 2.644 V
V
AGND
AGND Bandgap 1.227 1.305 1.398 V
V
REFLO
Ref Low V
SS
V
SS
V
SS
+ 0.009 V
SS
+ 0.038 V
RefPower = High
Opamp bias = Low
V
REFHI
Ref High 2 × Bandgap 2.530 2.598 2.643 V
V
AGND
AGND Bandgap 1.244 1.303 1.370 V
V
REFLO
Ref Low V
SS
V
SS
V
SS
+ 0.005 V
SS
+ 0.024 V
RefPower = Med
Opamp bias = High
V
REFHI
Ref High 2 × Bandgap 2.532 2.598 2.644 V
V
AGND
AGND Bandgap 1.239 1.304 1.380 V
V
REFLO
Ref Low V
SS
V
SS
V
SS
+ 0.006 V
SS
+ 0.026 V
RefPower = Med
Opamp bias = Low
V
REFHI
Ref High 2 × Bandgap 2.528 2.598 2.645 V
V
AGND
AGND Bandgap 1.249 1.302 1.362 V
V
REFLO
Ref Low V
SS
V
SS
V
SS
+ 0.004 V
SS
+ 0.018 V
0b111
RefPower = High
Opamp bias = High
V
REFHI
Ref High 3.2 × Bandgap 4.041 4.155 4.234 V
V
AGND
AGND 1.6 × Bandgap 1.998 2.083 2.183 V
V
REFLO
Ref Low V
SS
V
SS
V
SS
+ 0.010 V
SS
+ 0.038 V
RefPower = High
Opamp bias = Low
V
REFHI
Ref High 3.2 × Bandgap 4.047 4.153 4.236 V
V
AGND
AGND 1.6 × Bandgap 2.012 2.082 2.157 V
V
REFLO
Ref Low V
SS
V
SS
V
SS
+ 0.006 V
SS
+ 0.024 V
RefPower = Med
Opamp bias = High
V
REFHI
Ref High 3.2 × Bandgap 4.049 4.154 4.238 V
V
AGND
AGND 1.6 × Bandgap 2.008 2.083 2.165 V
V
REFLO
Ref Low V
SS
V
SS
V
SS
+ 0.006 V
SS
+ 0.026 V
RefPower = Med
Opamp bias = Low
V
REFHI
Ref High 3.2 × Bandgap 4.047 4.154 4.238 V
V
AGND
AGND 1.6 × Bandgap 2.016 2.081 2.150 V
V
REFLO
Ref Low V
SS
V
SS
V
SS
+ 0.004 V
SS
+ 0.018 V
Table 21. 5-V DC Analog Reference Specifications (continued)
Reference
ARF_CR[5:3]
Reference Power
Settings
Symbol Reference Description Min Typ Max Unit