ZHCS590Q January 2011 – December 2014 LMP90097 , LMP90098 , LMP90099 , LMP90100
PRODUCTION DATA.

| PIN | TYPE | DESCRIPTION | |
|---|---|---|---|
| NAME | NO. | ||
| VA | 1 | Analog Supply | Analog power supply pin |
| VIN0 to VIN2 | 2 to 4 | Analog Input | Analog input pins |
| VIN3 to VIN5 | 5 to 7 (LMP90100, LMP90099 only) |
Analog Input | Analog input pins |
| VIN3 to VIN5 | 5 - 7 (LMP90098, LMP90097 only) |
No Connect | No connect: must be left unconnected |
| VREFP1 | 8 | Analog Input | Positive reference input |
| VREFN1 | 9 | Analog Input | Negative reference input |
| VIN6 / VREFP2 | 10 | Analog Input | Analog input pin or VREFP2 input |
| VIN7 / VREFN2 | 11 | Analog Input | Analog input pin or VREFN2 input |
| IB2, IB1 | 12 to 13 (LMP90100, LMP90098 only) |
Analog Output | Excitation current sources for external RTDs |
| IB2, IB1 | 12 - 13 (LMP90099, LMP90097 only) |
No Connect | No connect: must be left unconnected |
| XOUT | 14 | Analog Output | External crystal oscillator connection |
| XIN / CLK | 15 | Analog Input | External crystal oscillator connection or external clock input |
| GND | 16 | Ground | Power supply ground |
| CSB | 17 | Digital Input | Chip select bar |
| SCLK | 18 | Digital Input | Serial clock |
| SDI | 19 | Digital Input | Serial data input |
| SDO / DRDYB | 20 | Digital Output | Serial data output and data ready bar |
| D0 to D5 | 21 to 26 | Digital IO | General purpose input/output (GPIO) pins |
| D6 / DRDYB | 27 | Digital IO | General purpose input/output pin or data ready bar |
| VIO | 28 | Digital Supply | Digital input/output supply pin |
| Thermal Pad | — | — | You can leave this thermal pad floating. |