Si7006-A20

Rev. 1.1

5

Conversion Time1

12-bit RH

—

10

12

ms

11-bit RH

—

5.8

7

10-bit RH

—

3.7

4.5

8-bit RH

—

2.6

3.1

14-bit temperature

—

7

10.8

13-bit temperature

—

4

6.2

12-bit temperature

—

2.4

3.8

11-bit temperature

—

1.5

2.4

Powerup Time

conversion, 25 °C

—18

25

ms

conversion, full temperature range

——

80

After issuing a software reset

command

—5

15

1.9

Parameter

Symbol

Test Condition

Min

Typ

Max

Unit

Hysteresis

High-to-low versus low-to-

high transition

——

V

SCLK Frequency2

—

—

400

kHz

SCL High Time

0.6

—

—

μs

SCL Low Time

1.3

—

—

μs

Start Hold Time

0.6

—

—

μs

Start Setup Time

0.6

—

—

μs

Notes:

2. Depending on the conversion command, the Si7006 may hold the master during the conversion (clock stretch). At

above 100 kHz SCL, the Si7006 may also hold the master briefly for user register and device ID transactions. At the

3. Pulses up to and including 50 ns will be suppressed.

Table 2. General Specifications (Continued)

Parameter

Symbol

Test Condition

Min

Typ

Max

Unit

Notes:

1. Initiating a RH measurement will also automatically initiate a temperature measurement. The total conversion time will

3. Occurs once during powerup. Duration is <5 msec.

5. Additional current consumption when HTRE bit enabled. See Section “5.5. Heater” for more information.