LM95214CISD National Semiconductor, LM95214CISD Datasheet - Page 20

• Manufacturer Part Number: LM95214CISD
• Description: SENSOR, TEMP, 4-DIODE, 2-WIRE I/F
• Manufacturer: National Semiconductor

Specifications of LM95214CISD

• Ic Output Type: Current
• Sensing Accuracy Range: ± 1°C
• Supply Current: 0.57mA
• Supply Voltage Range: 3V To 3.6V
• Resolution (bits): 11bit
• Sensor Case Style: LLP
• No. Of Pins: 14
• Svhc: No SVHC
• Temperature Sensing Range: -40°C To +140°C
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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Register Name
Remote Temp 1 MSB – Signed
Remote Temp 1 LSB – Signed, Digital
Filter Off
Remote Temp 1 LSB – Signed, Digital
Filter On
Remote Temp 2 MSB – Signed
Remote Temp 2 LSB – Signed, Digital
Filter Off
Remote Temp 2 LSB – Signed, Digital
Filter On
Remote Temp 3 MSB – Signed
Remote Temp 3 LSB – Signed
Remote Temp 4 MSB – Signed
Remote Temp 4 LSB – Signed
2.1.2 Remote Temperature Value Registers with Signed Format
The Local temperature MSB value register range is +127°C to −128°C. The value programmed in this register is used to determine
a local temperature error event.
Bit(s)
7
6
5
4
3
2
1
0
Bit(s)
7
6
5
4
3
2-0
Bit Name
SIGN
64
32
16
8
4
2
1
Bit Name
1/2
1/4
1/8
0 or 1/16
0 or 1/32
0
Read/
Write
RO
RO
RO
RO
RO
RO
RO
RO
Read/
Write
RO
RO
RO
RO
RO
RO
Command
(Hex)
Byte
0x11
0x21
0x12
0x22
0x13
0x23
0x14
0x24
Description
Sign bit
bit weight 64°C
bit weight 32°C
bit weight 16°C
bit weight 8°C
bit weight 4°C
bit weight 2°C
bit weight 1°C
Description
bit weight 1/2°C (0.5°C)
bit weight 1/4°C (0.25°C)
bit weight 1/8°C (0.125°C)
When the digital filter is disabled this bit will always read "0".
When the digital filter is enabled this bit will report 1/16°C (0.0625°C) bit state.
When the digital filter is disabled this bit will always read "0".
When the digital filter is enabled this bit will report 1/32°C (0.03125°C) bit state.
Reserved – will report "0" when read.
Read/
Write
RO
RO
RO
RO
RO
RO
RO
RO
SIGN
SIGN
SIGN
SIGN
1/2
1/2
1/2
1/2
D7
20
1/8
1/8
1/8
1/8
D6
64
64
64
64
1/16
1/16
D5
32
32
32
32
0
0
0
0
1/32
1/32
D4
16
16
16
16
0
0
0
0
D3
8
0
8
0
8
0
8
0
D2
4
0
4
0
4
0
4
0
D1
2
0
2
0
2
0
2
0
D0
1
0
1
0
1
0
0
0
Default
(Hex)
POR
–
–
–
–
–
–
–
–