CY8C54 CYPRESS [Cypress Semiconductor], CY8C54 Datasheet - Page 73

• Manufacturer Part Number: CY8C54
• Description: Programmable System-on-Chip (PSoC)
• Manufacturer: CYPRESS [Cypress Semiconductor]

11.5.12 Unity Gain Buffer
The Unity Gain Buffer is created using a SC/CT Analog Block. See the Unity Gain Buffer component data sheet in PSoC Creator for
full AC/DC specifications, and APIs and example code.
Table 11-37. Unity Gain Buffer DC Specifications
Table 11-38. Unity Gain Buffer AC Specifications
11.5.13 Temperature Sensor
Table 11-39. Temperature Sensor Specifications
11.5.14 LCD Direct Drive
Table 11-40. LCD Direct Drive DC Specifications
Document Number: 001-55036 Rev. *A
Vos
Voh, Vol
Icc
V
Parameter
Parameter
Parameter
Parameter
bias
LCD operating current
LCD bias range
LCD bias step size
Iout per segment driver
Icc per segment driver
Temp sensor accuracy
Input offset voltage
Offset voltage drift
Input voltage range
Output voltage range
Output current source capability
Quiescent current
Bandwidth
Slew rate
Input noise spectral density
LCD capacitance per
segment/common driver
Long term segment offset
Strong drive
Weak drive
Weak drive 2
Strong drive
Weak drive
Weak drive 2
No drive
[9]
[9, 14]
Description
Description
Description
Description
[9]
[9]
PRELIMINARY
[9]
-40 to +140 range
32x4 segment display at 30 Hz.
Segment capacitance is < 500 pF
Vdda must be 3V or higher
Drivers may be combined.
Drive setting 3, Vdda = 1.71V
Noninverting mode, 300 mV ≤ Vin ≤
Vdda - 1.2V, Cl ≤ 25 pF
Vdda = 1.71V 5% to 90% FS output,
CL = 50 pF
Conditions
Conditions
Conditions
Conditions
PSoC
®
5: CY8C54 Family Data Sheet
[17]
.
Vssa +
Vssa
2.048
0.15
Min
Min
120
220
Min
Min
-
-
-
-
7
3
-
-
-
-
-
-
-
-
-
-
-
Typ
Typ
Typ
900
38
±5
25.8
Typ
500
160
260
<25
0.5
-
-
-
-
-
-
-
15
11
22
1
-
-
Vdda -
Max
Max
Vdda
Max
0.15
5.325
250
5000
10
30
Max
-
-
-
-
200
300
-
10
-
-
-
-
-
-
-
nV/sqrtHz
Page 73 of 93
Units
Units
Units
Units
µv/°C
MHz
V/µs
mV
mV
µA
mV
μ A
pF
µA
µA
µA
µA
µA
nA
°C
µA
µA
V
V
V
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