EPC600 datasheet(4/30 Pages) EPC

4 / 30 page

Timing and optical Characteristics

Operational Ratings - unless otherwise specified.

Symbol

Parameter

Conditions / Comments

Min.

Typ.

Max.

Unit

tON

Power-up rise time

at VDD

tINIT

Start-up time

100

tOFF

Power drop-down time

at VDD

fXTAL

Center frequency

of the crystal oscillator (or ceramic resonator)

MHz

ΔfXTAL

Frequency deviation

of the oscillator,

any deviation is added as a linear distance error

±100

ppm

ΔφXTAL

Phase jitter

of the oscillator, peak-to-peak, cycle to cycle

fSCLK

Clock frequency

of SCLK, 2-wire interface

MHz

tSCLK

Cycle time

of SCLK2, 2-wire interface, SCLK = 1/fSCLK

100

tH / tL

HIGH / LOW period

of SCLK2, 2-wire interface, refer to Table 8

50ns

1.0ms

fMOD

LED modulation

frequency at pin LED

see Figure 14,

standard products fixed 10MHz,

(customer specific factory setting possible:

1.25 - 10MHz)

MHz

tLED-rise/fall

Required rise/fall time

of the illumination LED

@ 50 ohm load

Remark: Use high speed LEDs with short switch-

ing times e.g. Osram SFH4059,

Vishay VSMB2000, Stanley DNK5306, etc.

ASENSOR

Photosensitive area

of the sensor

320x320

μm

SAC

AC sensitivity

(conversion rate)

for distance measurement (modulated light), refer

to Table 3 and Figure 14.

@ λ = 850±50nm, Integration time = 103 μsec.

Note: The chip does internal an averaging over

the sensitive area, refer to chapter 1.3.4.

/ cm

LSB

SDC

DC sensitivity

(conversion rate)

for ambient-light measurement (unmodulated

light), refer to Table 3 and Figure 14

@ λ = 850±50nm, Integration time = 103 μsec.

Note: The chip does internal an averaging over

the sensitive area, refer to chapter 1.3.4.

12.3

/ cm

LSB

AAC

Received modulated light

amplitude

dynamic range for distance measurement

1'000

LSB

ADC

Ambient-light

amplitude

dynamic range for ambient-light measurement

1'000

LSB

ESup

Ambient-light suppres-

sion

@ λ = 850±50nm, Integration time = 103 μsec,

total power on sensor area

W/m2

μW/Sensor

λmax

Peak wavelength

maximum sensitivity, see Figure 2

850

Wavelength range

operating range

550

1'000

φ50%

Half angle

see Figure 3

±60

deg

Table 2: Timing and optical characteristics

Characteristics subject to change without notice

4 / 30

Datasheet epc600 - V1.3

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