编辑: 麒麟兔爷 | 2015-05-20 |
17726 Rev
1 7/32
3 GND
0 V supply
4 SDA/ SDI/ SDO I2 C serial data (SDA) SPI serial data input (SDI) 3-wire interface serial data output (SDO)
5 SA0/SDO I2 C less significant bit of device slave address (SA0) SPI serial data output
6 INT1 Interrupt
1 (or data ready)
7 INT2 Interrupt
2 (or data ready)
8 Reserved Leave unconnected
9 GND
0 V supply
10 Reserved Connect to GND
11 Reserved Connect to GND
12 GND
0 V supply
13 Vdd_IO Power supply for I/O pads
14 Reserved Connect to Vdd
15 Vdd Power supply
16 Vdd Power supply Table 2. Pin description (continued) Pin # Pin Name Function Mechanical and electrical specifications LPS001D 8/32 Doc ID
17726 Rev
1 2 Mechanical and electrical specifications 2.1 Mechanical characteristics Vdd = 2.5 V, T =
25 °C, unless otherwise noted. Table 3. Mechanical characteristics Symbol Parameter Test condition Min. Typ.(1) Max. Unit Pop Operating pressure range
300 1100 mbar Res(2) Resolution in normal mode P =
1013 mbar;
T =
25 °C 0.1 mbar Resolution in low-power mode P =
1013 mbar;
T =
25 °C 0.13 Acc Accuracy P =
300 to
1100 mbar;
T =
25 °C ±
20 mbar AccT Accuracy over temperature range P =
1013 mbar;
T =
25 °C to +60 °C ±1.5(3) mbar P =
1013 mbar;
-40 °C <
T <
25 °C or
60 °C <
T <
85 °C 0.5 mbar/°C PSo Pressure sensitivity
16 LSb/mbar TSo Temperature sensitivity
64 LSb/°C 1. Typical specifications are not guaranteed. 2. Parameter given as standard deviation value. 3. Overall pressure drift in the range from
25 °C to
60 °C. LPS001D Mechanical and electrical specifications Doc ID
17726 Rev
1 9/32 2.2 Electrical characteristics Vdd = 2.5 V, T =
25 °C, unless otherwise noted. Table 4. Electrical characteristics Symbol Parameter Test condition Min. Typ.(1) Max. Unit Vdd Supply voltage 2.2 3.6 V Vdd_IO I/O supply voltage 1.7 Vdd+0.1 V Idd Supply current Continous mode ODRP =
7 Hz ODRT =
1 Hz
190 ?A During conversion
400 IddLpr Supply current in low-power mode Continous mode ODRP =
7 Hz ODRT =
1 Hz
120 ?A IddPdn Supply current in power-down mode
5 ?A ODRP Pressure output data rate(2)
7 12.5 Hz ODRT Temperature output data rate(........