CY8C32_12 CYPRESS [Cypress Semiconductor], CY8C32_12 Datasheet - Page 80
CY8C32_12
Manufacturer Part Number
CY8C32_12
Description
Manufacturer
CYPRESS [Cypress Semiconductor]
Datasheet
1.CY8C32_12.pdf
(122 pages)
- Current page: 80 of 122
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11.5 Analog Peripherals
Specifications are valid for –40 °C T
except where noted.
11.5.1 Delta-sigma ADC
Unless otherwise specified, operating conditions are:
Table 11-18. 12-bit Delta-sigma ADC DC Specifications
Document Number: 001-56955 Rev. *N
Ge
Gd
Vos
TCVos
INL12
DNL12
INL8
DNL8
Rin_Buff
Rin_ADC12 ADC input resistance
Vextref
Current Consumption
I
I
Notes
Parameter
DD_12
BUFF
37. Based on device characterization (Not production tested).
38. By using switched capacitors at the ADC input an effective input resistance is created. Holding the gain and number of bits constant, the resistance is proportional
Operation in continuous sample mode
fclk = 6.144 MHz
Reference = 1.024 V internal reference bypassed on P3.2 or P0.3
Unless otherwise specified, all charts and graphs show typical values
to the inverse of the clock frequency. This value is calculated, not measured. For more information see the Technical Reference Manual.
Resolution
Number of channels, single ended
Number of channels, differential
Monotonic
Gain error
Gain drift
Input offset voltage
Temperature coefficient, input offset
voltage
Input voltage range, single ended
Input voltage range, differential unbuf-
fered
Input voltage range, differential,
buffered
Integral non linearity
Differential non linearity
Integral non linearity
Differential non linearity
ADC input resistance
ADC external reference input voltage, see
also internal reference in
Reference
Current consumption, 12 bit
Buffer current consumption
[37]
[37]
on page 82
Description
[37]
[37]
[37]
[37]
A
Voltage
85 °C and T
[37]
[37]
[37]
J
100 °C, except where noted. Specifications are valid for 1.71 V to 5.5 V,
Differential pair is formed using a
pair of GPIOs.
Yes
Buffered, buffer gain = 1, Range =
±1.024 V, 25 °C
Buffered, buffer gain = 1, Range =
±1.024 V
Buffered, 12-bit mode, V
25 °C
Buffer gain = 1, 12-bit,
Range = ±1.024 V
Range = ±1.024 V, unbuffered
Range = ±1.024 V, unbuffered
Range = ±1.024 V, unbuffered
Range = ±1.024 V, unbuffered
Input buffer used
Input buffer bypassed, 12 bit,
Range = ±1.024 V
Pins P0[3], P3[2]
192 ksps, unbuffered
Conditions
DDA
= 2.7 V,
PSoC
V
V
V
Min
0.9
10
SSA
SSA
SSA
–
–
–
–
8
–
–
–
–
–
–
–
–
–
–
®
3: CY8C32 Family
148
Typ
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
[38]
V
GPIO/2
Data Sheet
No. of
No. of
DDA
GPIO
V
V
Max
±0.2
±0.1
0.55
1.3
1.4
2.5
12
50
±1
±1
±1
±1
DDA
DDA
–
–
–
Page 80 of 122
– 1
ppm/°C
µV/°C
Units
LSB
LSB
LSB
LSB
bits
mV
M
mA
mA
k
%
–
V
V
V
V
–
–
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