LM95214CISD National Semiconductor, LM95214CISD Datasheet - Page 21

• 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

Register Name
Remote Temp 1 MSB – Unsigned
Remote Temp 1 LSB – Unsigned,
Digital Filter Off
Remote Temp 1 LSB – Unsigned,
Digital Filter On
Remote Temp 2 MSB – Unsigned
Remote Temp 2 LSB – Unsigned,
Digital Filter Off
Remote Temp 2 LSB – Unsigned,
Digital Filter On
Remote Temp 3 MSB – Unsigned
Remote Temp 3 LSB – Unsigned
Remote Temp 4 MSB – Unsigned
Remote Temp 4 LSB – Unsigned
Register Name
Remote 1 Offset
Remote 2 Offset
Remote 3 Offset
Remote 4 Offset
2.1.3 Remote Temperature Value Registers with Unsigned Format
2.2 DIODE CONFIGURATION REGISTER
2.2.1 Remote 1-4 Offset
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
Command
(Hex)
(Hex)
0x1A
0x2A
0x1B
0x2B
0x1C
0x2C
Byte
0x19
0x29
Byte
0x31
0x32
0x33
0x34
Description
bit weight 128°C
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/
Read/
Write
Write
R/W
R/W
R/W
R/W
RO
RO
RO
RO
RO
RO
RO
RO
SIGN
SIGN
SIGN
SIGN
128
128
128
128
1/2
1/2
1/2
1/2
D7
D7
21
1/8
1/8
1/8
1/8
D6
D6
64
64
64
64
32
32
32
32
1/16
1/16
D5
D5
32
32
32
32
16
16
16
16
0
0
0
0
1/32
1/32
D4
D4
16
16
16
16
0
0
0
0
8
8
8
8
D3
D3
8
0
8
0
8
0
8
0
4
4
4
4
D2
D2
4
0
4
0
4
0
4
0
2
2
2
2
D1
D1
2
0
2
0
2
0
2
0
1
1
1
1
D0
D0
1/2
1/2
1/2
1/2
1
0
1
0
1
0
1
0
www.national.com
Default
Default
(Hex)
(Hex)
POR
POR
0x00
0x00
0x00
0x00
–
–
–
–
–
–
–
–