LM75BGD,125 NXP Semiconductors, LM75BGD,125 Datasheet - Page 14

• Manufacturer Part Number: LM75BGD,125
• Description: IC TEMP SENSOR DGTL 8-UXSON
• Manufacturer: NXP Semiconductors

Specifications of LM75BGD,125

• Package / Case: 8-XSON
• Function: Temp Sensor, Watchdog
• Topology: ADC (Sigma Delta), Comparator, Oscillator, Register Bank
• Sensor Type: Internal
• Sensing Temperature: -55°C ~ 125°C
• Output Type: I²C™
• Output Alarm: No
• Output Fan: Yes
• Voltage - Supply: 2.8 V ~ 5.5 V
• Operating Temperature: -55°C ~ 125°C
• Mounting Type: Surface Mount
• Temperature Threshold: + 80 C
• Full Temp Accuracy: +/- 3 C
• Digital Output - Bus Interface: I2C
• Digital Output - Number Of Bits: 11
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.8 V
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 55 C
• Supply Current: 100 uA
• Temperature Sensor Function: Temp Sensor
• Operating Temperature (max): 125C
• Operating Temperature Classification: Military
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (max): 5.5V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 568-4769-2; 935288239125

NXP Semiconductors
LM75B_2
Product data sheet
Fig 9.
Fig 10. Read Temp, Tos or Thyst register including pointer byte (2-byte data)
Fig 11. Read Temp, Tos or Thyst register with preset pointer (2-byte data)
SDA (cont)
SCL (cont)
SDA
SCL
SDA
SCL
Write Tos or Thyst register (2-byte data)
S
S
SDA (cont.)
SDA
SCL (cont.)
SCL
START
START
1
1
1
1
1
1
2
0
2
0
2
0
device address
device address
device address
S
3
0
3
0
3
0
START
D7
4
1 A2 A1 A0 R
1
1
1
4
1 A2 A1 A0 W A
4
1 A2 A1 A0 R
acknowledge
5
D6 D5 D4 D3 D2 D1 D0 A
acknowledge
acknowledge
5
5
2
0
2
device address
6
read
write
6
6
read
3
0
3
MSByte data
device
device
device
7
7
7
4
1
4
8
8
8
A2 A1 A0
5
5
A D7 D6 D5 D4 D3 D2 D1 D0 A' D7 D6 D5 D4 D3 D2 D1 D0 NA
9
A D7 D6 D5 D4 D3 D2 D1 D0 A'
9
9
acknowledge
acknowledge
Rev. 02 — 9 December 2008
6
6
1
1
0
1
write
device
device
2
MSByte from device
7
7
2
0
2
MSByte from device
3
3
0
pointer byte
3
W
8
8
4
4
0
4
9
A
9
acknowledge
5
5
0
acknowledge
5
acknowledge
Digital temperature sensor and thermal watchdog
D7 D6 D5 D4 D3 D2 D1 D0
1
0
1
6
6
0 P1 P0 A
6
master
master
device
2
0
2
7
7
7
3
0
3
8
8
8
LSByte data
pointer byte
9
9
9
4
0
4
RS
D7 D6 D5 D4 D3 D2 D1 D0 NA
1
0
1
5
0
5
RE-START
(next)
(next)
acknowledge
acknowledge
2
LSByte from device
2
LSByte from device
6
0
6
3
3
P1 P0
device
device
7
7
4
4
acknowledged
8
8
acknowledged
5
5
master not
master not
A
A
6
9
9
6
002aad036
STOP
7
7
(next)
(next)
P
© NXP B.V. 2008. All rights reserved.
8
8
002aad038
9
LM75B
002aad037
9
STOP
STOP
P
P
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