CY8C32_11 Datasheet, PDF (82/119 Pages) Cypress Semiconductor – Programmable System-on-Chip (PSoC®)

PSoC^® 3: CY8C32 Family
Data Sheet
11.2.5 Current Digital-to-analog Converter (IDAC)
See the IDAC component datasheet in PSoC Creator for full electrical specifications and APIs.
Unless otherwise specified, all charts and graphs show typical values.
Table 11-25. IDAC DC Specifications
Parameter
Description
Conditions
Min Typ
Max
Resolution
–
–
8
I_OUT
Output current at code = 255
Range = 2.048 mA, code = 255,
–
2.048
–
V_DDA ≥ 2.7 V, Rload = 600 Ω
Range = 2.048 mA, High mode,
–
2.048
–
code = 255, V_DDA ≤ 2.7 V, Rload =
300 Ω
Range = 255 µA, code = 255, Rload –
255
–
= 600 Ω
Range = 31.875 µA, code = 255,
– 31.875
–
Rload = 600 Ω
Monotonicity
–
–
Yes
Ezs
Zero scale error
–
0
±1
Eg
Gain error
Range = 2.048 mA, 25 °C
–
–
±2.5
Range = 255 µA, 25 ° C
–
–
±2.5
Range = 31.875 µA, 25 ° C
–
–
±3.5
TC_Eg
Temperature coefficient of gain
error
Range = 2.048 mA
Range = 255 µA
–
–
0.04
–
–
0.04
Range = 31.875 µA
–
–
0.05
INL
Integral nonlinearity
Sink mode, range = 255 µA, Codes –
±0.9
±1
8 – 255, Rload = 2.4 kΩ, Cload =
15 pF
Source mode, range = 255 µA,
Codes 8 – 255, Rload = 2.4 kΩ,
Cload = 15 pF
–
±1.2
±1.5
DNL
Differential nonlinearity
Sink mode, range = 255 µA, Rload –
±0.3
±1
= 2.4 kΩ, Cload = 15 pF
Source mode, range = 255 µA,
Rload = 2.4 kΩ, Cload = 15 pF
–
±0.3
±1
Vcompliance Dropout voltage, source or sink Voltage headroom at max current, 1
–
–
mode
Rload to Vdda or Rload to Vssa,
Vdiff from Vdda
Units
bits
mA
mA
µA
µA
LSB
%
%
%
% / °C
% / °C
% / °C
LSB
LSB
LSB
LSB
V
Document Number: 001-56955 Rev. *J
Page 82 of 119
[+] Feedback