CY8C3865LTI-059 datasheet(98/129 Pages) CYPRESS

98 / 129 page

PSoC® 3: CY8C38 Family

Data Sheet

Document Number: 001-11729 Rev. *R

Page 98 of 129

Figure 11-64. Bandwidth vs. Temperature, at Different Gain

Settings, Power Mode = High

Figure 11-65. Noise vs. Frequency, Vdda = 5 V,

Power Mode = High

11.2.11 Temperature Sensor

11.2.12 LCD Direct Drive

Table 11-40. PGA AC Specifications

Parameter

Description

Conditions

Min

Typ

Max

Units

BW1

–3 dB bandwidth

Power mode = high,

gain = 1, input = 100 mV

peak-to-peak

6.7

–

MHz

SR1

Slew rate

Power mode = high,

gain = 1, 20% to 80%

3––

V/µs

Input noise density

Power mode = high,

Vdda = 5 V, at 100 kHz

–43

–

nV/sqrtHz

Table 11-41. Temperature Sensor Specifications

Parameter

Description

Conditions

Min

Typ

Max

Units

Temp sensor accuracy

Range: –40 °C to +85 °C

–

±5

–

°C

Table 11-42. LCD Direct Drive DC Specifications

Parameter

Description

Conditions

Min

Typ

Max

Units

ICC

LCD system operating current

Device sleep mode with wakeup at

400-Hz rate to refresh LCDs, bus

clock = 3 Mhz, Vddio = Vdda = 3 V,

4 commons, 16 segments, 1/4 duty

cycle, 50 Hz frame rate, no glass

connected

–38

–

μA

ICC_SEG

Current per segment driver

Strong drive mode

–

260

–

µA

VBIAS

LCD bias range (VBIAS refers to the

main output voltage(V0) of LCD DAC)

VDDA ≥ 3 V and VDDA ≥ VBIAS

2–

LCD bias step size

VDDA ≥ 3 V and VDDA ≥ VBIAS

–

9.1 × VDDA

–mV

LCD capacitance per

segment/common driver

Drivers may be combined

–

500

5000

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