ZOPT2202 Datasheet

© 2016 Integrated Device Technology, Inc

8

September 21, 2016

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Unit

UVBS Characteristics

Spectral response

See Figure 2.3 and Figure 2.4.

Sensitivity at gain 1

Specifications apply to

20-bit resolution setting.

Specifications change with

resolution setting as given

in Table 3.6

0.36

Sensitivity at gain 3

0.12

Sensitivity at gain 6 [b]

0.06

Sensitivity at gain 9 [b]

0.04

Sensitivity at gain 18 [b]

0.02

Calibrated error at gain 18

Calibration done with UVB

LED, 310nm,

10

%

UVA / UVB Sensor Characteristics

UVA / UVB sensor output resolution

Programmable for 13, 16,

17, 18, 19, 20 Bit

13

18

20

Bit

UVA / UVB sensor dark level count

No illumination

20-bit resolution

Gain range x18

5

20

Count

Conversion Timing

Minimum integration time [c]

3.125

ms

With 50/60 Hz rejection

50

ms

Maximum integration time [c]

With 50/60 Hz rejection

400

ms

Wake-up time from Standby Mode

From Standby to Active

Mode (measurement can

start)

500

µs

Measurement repeat rate [c]

Programmable

25

2000

ms

Timing accuracy [d]

-25

+25

%

[a] Maximum duty cycle is selected with a 100ms measurement time and 100ms repeat rate.

[b] Values valid up to 60°C.

[c] Typical timing accuracy applied.

[d]

All specifications related to timing can vary by this value; for example, a repeat rate of 50ms could vary up to 62.5ms.