CY8C32_13 Datasheet, PDF (89/121 Pages) Cypress Semiconductor – Programmable System-on-Chip (PSoC®)

PSoC^® 3: CY8C32 Family Data Sheet
Table 11-28. VDAC AC Specifications t
Parameter
F_DAC
TsettleP
TsettleN
Description
Update rate
Settling time to 0.1%, step 25% to
75%
Settling time to 0.1%, step 75% to
25%
Voltage noise
Conditions
1 V scale
4 V scale
1 V scale, Cload = 15 pF
4 V scale, Cload = 15 pF
1 V scale, Cload = 15 pF
4 V scale, Cload = 15 pF
Range = 1 V, High speed mode,
V_DDA = 5 V, 10 kHz
Min Typ
–
–
–
–
–
0.45
–
0.8
–
0.45
–
0.7
–
750
Max
1000
250
1
Units
ksps
ksps
µs
3.2
µs
1
µs
3
µs
–
nV/sqrtHz
Figure 11-46. VDAC Step Response, Codes 0x40 - 0xC0, 1 V
Mode, High speed mode, V_DDA = 5 V
Figure 11-47. VDAC Glitch Response, Codes 0x7F - 0x80, 1 V
Mode, High speed mode, V_DDA = 5 V
Figure 11-48. VDAC PSRR vs Frequency
50
40
30
20
10
0
0.1
1
10
100
Frequency, kHz
4 V, code 0x7F
4 V, code 0xFF
Figure 11-49. VDAC Voltage Noise, 1 V Mode, High speed
mode, V_DDA = 5 V
1000
Document Number: 001-56955 Rev. *P
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