CY8C24094, CY8C24794

CY8C24894, CY8C24994

10.3.3 DC Full-Speed USB Specifications

The following table lists guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75V to 5.25V and -10°C TA 85°C, or 3.0V to 3.6V and -10°C TA 85°C, respectively. Typical parameters apply to 5V and 3.3V at 25°C and are for design guidance only.

Table 10-6. DC Full-Speed (12 Mbps) USB Specifications

Symbol

Description

Min

Typ

Max

Units

Notes

USB Interface

VDI

Differential Input Sensitivity

0.2

V

(D+) - (D-)

VCM

Differential Input Common Mode Range

0.8

2.5

V

 

VSE

Single Ended Receiver Threshold

0.8

2.0

V

 

CIN

Transceiver Capacitance

20

pF

 

II/O

High-Z State Data Line Leakage

-10

10

μA

0V < VIN < 3.3V.

REXT

External USB Series Resistor

23

25

W

In series with each USB pin.

VUOH

Static Output High, Driven

2.8

3.6

V

15 kΩ ± 5% to Ground. Internal pull-up

 

 

 

 

 

 

enabled.

VUOHI

Static Output High, Idle

2.7

3.6

V

15 kΩ ± 5% to Ground. Internal pull-up

 

 

 

 

 

 

enabled.

VUOL

Static Output Low

0.3

V

15 kΩ ± 5% to Ground. Internal pull-up

 

 

 

 

 

 

enabled.

ZO

USB Driver Output Impedance

28

44

W

Including REXT Resistor.

VCRS

D+/D- Crossover Voltage

1.3

2.0

V

 

10.3.4 DC Operational Amplifier Specifications

The following tables list guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75V to 5.25V and -40°C TA 85°C, or 3.0V to 3.6V and -40°C TA 85°C, respectively. Typical parameters apply to 5V and 3.3V at 25°C and are for design guidance only.

The Operational Amplifier is a component of both the Analog Continuous Time PSoC blocks and the Analog Switched Capacitor PSoC blocks. The guaranteed specifications are measured in the Analog Continuous Time PSoC block.

Table 10-7. 5V DC Operational Amplifier Specifications

Symbol

Description

Min

Typ

Max

Units

Notes

VOSOA

Input Offset Voltage (absolute value)

1.6

10

mV

 

 

Power = Low, Opamp Bias = High

 

 

Power = Medium, Opamp Bias = High

1.3

8

mV

 

 

Power = High, Opamp Bias = High

1.2

7.5

mV

 

 

 

 

 

 

 

 

 

TCVOSOA

Average Input Offset Voltage Drift

7.0

35.0

μV/oC

 

IEBOA

Input Leakage Current (Port 0 Analog Pins)

20

pA

Gross tested to 1 μA.

CINOA

Input Capacitance (Port 0 Analog Pins)

4.5

9.5

pF

Package and pin dependent. Temp =

 

 

 

 

 

 

25oC.

VCMOA

Common Mode Voltage Range

0.0

Vdd

V

The common-mode input voltage

 

Common Mode Voltage Range (high power

0.5

Vdd -

 

range is measured through an analog

 

or high opamp bias)

 

 

0.5

 

output buffer. The specification

 

 

 

 

 

 

includes the limitations imposed by

 

 

 

 

 

 

the characteristics of the analog

 

 

 

 

 

 

output buffer.

GOLOA

Open Loop Gain

60

dB

 

 

Power = Low, Opamp Bias = High

 

 

 

 

 

Power = Medium, Opamp Bias = High

60

 

 

 

 

 

Power = High, Opamp Bias = High

80

 

 

 

 

Document Number: 38-12018 Rev. *M

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Cypress CY8C24894, CY8C24994, CY8C24094 manual DC Full-Speed USB Specifications, DC Operational Amplifier Specifications

CY8C24094, CY8C24894, CY8C24994 specifications

The Cypress CY8C24994, CY8C24894, and CY8C24094 are part of the PSoC (Cypress Semiconductor's Programmable System-on-Chip) family, designed to integrate numerous functions onto a single chip for efficient performance and flexibility in various applications.

One of the key features of these devices is their combination of analog and digital components, allowing designers to create a customized system without the need for extensive external circuitry. Each of these chips incorporates an Arm Cortex-M3 processor core, which provides a powerful 32-bit architecture, enabling efficient execution of 32-bit operations while maintaining low power consumption.

The CY8C24994 is the most advanced in this series, supporting up to 128 GPIO (General Purpose Input/Output) pins, which enhances connectivity options. It features multiple programmable analog blocks, including op-amps, comparators, and DACs (Digital-to-Analog Converters), making it suitable for a variety of sensor interfacing and signal processing applications. Additionally, it supports USB communication, providing further versatility for applications requiring data exchange with a host device.

The CY8C24894 presents a slightly more cost-effective solution with slightly fewer GPIO pins and integrated features. It maintains many of the same core attributes as its counterpart, delivering excellent analog performance and several programmable digital blocks. It is suitable for applications requiring moderate computational capabilities along with flexibility in terms of peripherals and interfaces.

The CY8C24094, while positioned as a more basic option within this lineup, still provides essential functionalities for simpler tasks. With fewer pins and capabilities, it is ideal for applications where size and cost are more critical than extensive processing power.

All three devices utilize Cypress's proprietary CapSense technology, enabling touch-sensing capabilities without the need for mechanical buttons. This feature not only enhances user interaction but also contributes to the overall design's robustness and longevity.

In summary, the CY8C24994, CY8C24894, and CY8C24094 PSoC chips offer ample design flexibility with integrated analog and digital functionality, making them an excellent choice for developers aiming to create innovative embedded solutions across a wide range of applications, from consumer electronics to industrial control systems.