TMP1075DGKR

Digital Temperature Sensor

The TMP1075DGKR is a digital temperature sensor from Texas Instruments. View the full TMP1075DGKR datasheet below including key specifications, electrical characteristics, absolute maximum ratings.

Manufacturer

Texas Instruments

Key Specifications

Parameter	Value
Accuracy (Sensor)	±1.5°C (±2°C)
Features	One-Shot, Shutdown Mode
Mounting Type	Surface Mount
Operating Temperature	-55°C ~ 125°C (TA)
Output Type	I2C/SMBus
Package / Case	8-TSSOP, 8-MSOP (0.118\", 3.00mm Width)
Packaging	MouseReel
Resolution	12 b
Sensing Temperature Range	-55°C ~ 125°C
Sensor Type	Digital, Local
Standard Pack Qty	2500
Supplier Device Package	8-VSSOP
Test Condition	-25°C ~ 100°C (-55°C ~ 125°C)
Supply Voltage	1.7V ~ 5.5V

Overview

Part: TMP1075 — Texas Instruments

Type: Digital Temperature Sensor

Description: The TMP1075 is a highly accurate, low-power digital temperature sensor with an I2C and SMBus interface, offering ±1°C maximum accuracy from -40°C to 110°C and a 12-bit resolution, available in multiple industry-standard packages.

Operating Conditions:

Supply voltage: 1.62 V to 5.5 V
Operating temperature: -55°C to 125°C (TMP1075), -40°C to 125°C (TMP1075N)
SCL operating frequency: 0.001 to 2.85 MHz

Absolute Maximum Ratings:

Max supply voltage: 6.5 V (TMP1075), 4 V (TMP1075N)
Max junction temperature: 150 °C
Max storage temperature: 130 °C

Key Specs:

Temperature accuracy: ±1°C (maximum) from -40°C to 110°C (TMP1075)
Temperature accuracy: ±2°C (maximum) from -55°C to 125°C (TMP1075)
Resolution: 0.0625 °C (12 Bits)
Average current: 2.7 μA (TMP1075, R1=1, R0=1)
Shutdown current: 0.37 μA (TMP1075, serial bus inactive)
ADC Conversion time (one-shot mode): 4.5 ms (typical) to 7 ms (max)
I2C Addresses: Supports up to 32 (TMP1075), 4 (TMP1075N)
SCL operating frequency: 0.001 to 2.56 MHz (TMP1075 High-Speed Mode), 0.001 to 2.85 MHz (TMP1075N High-Speed Mode)

Features:

Low power consumption
Digital interface: SMBus, I2C
Software compatibility with industry standard LM75 and TMP75
ALERT pin function
NIST traceability

Applications:

Power-supply temperature monitoring
Connected peripherals & printers
PC and notebooks
Mobile phones
Battery management
Enterprise machine
Thermostat
Wireless environmental sensor and HVAC
Electro mechanical device temperature

Package:

VSSOP (DGK, 8-pin)
SOIC (D, 8-pin)
WSON (DSG, 8-pin)
SOT563 (DRL, 6-pin)

Features

Temperature accuracy:
-±0.25°C (typical) from -55°C to 125°C
-±1°C (maximum) from -40 °C to 110°C
-±2°C (maximum) from -55°C to 125°C
Low power consumption:
-2.7μA Average current
-0.37μA Shutdown current
Supply range options from: 1.62V to 5.5V
Temperature independent of supply
Digital interface: SMBus, I 2 C
Software compatibility with industry standard LM75 and TMP75
Can coexist in I 3 C mixed fast mode bus
Resolution: 12 Bits
Supports up to 32 I2C addresses
ALERT pin function
NIST traceability

Applications

Power-supply temperature monitoring
Connected peripherals & printers
PC and notebooks
Mobile phones
Battery management
Enterprise machine
Thermostat
Wireless environmental sensor and HVAC
Electro mechanical device temperature

Pin Configuration

Figure 5-1. D Package 8-Pin SOIC Top View

Figure 5-1. D Package 8-Pin SOIC Top View

Figure 5-2. DGK Package 8-Pin VSSOP Top View

Figure 5-2. DGK Package 8-Pin VSSOP Top View

Pin 1 is determined by orienting the package marking as indicated in the diagram.
Referred to as the TMP1075N orderable throughout the document.

Figure 5-4. DRL Package 6-Pin SOT563 Top View

Figure 5-3. DSG Package 8-Pin WSON Top View

Table 5-1. Pin Functions

PIN	PIN	PIN	TYPE (1)
NAME	SOIC / VSSOP / WSON	SOT563	TYPE (1)
A0	7	4	I
A1	6	-	I
A2	5	-	I
ALERT	3	3	O
GND	4	2	-
SCL	2	1	I
SDA	1	6	I/O
V+	8	5	I

(1) I = Input, O = Output, I/O = Input or Output

Table 5-1. Pin Functions

Electrical Characteristics

at T A = -55°C to +125°C and V+ = 1.7 V to 5.5 V (unless noted); typical specification are at T A = 25°C and V+=3.3 V

PARAMETER		TEST CONDITIONS	MIN	TYP	MAX	UNIT
TEMPERATURE INPUT
	Range		-55		125	°C
	Accuracy (temperature error)	-40°C to 110°C		±0.25	±1	°C
	DGK, D	-55°C to 125°C		±0.25	±2
	DSG	-40°C to 75°C		±0.25	±1	°C
		-55°C to 125°C		±0.25	±2	°C
	Accuracy (temperature error) vs supply	PSRR			±0.03	°C/V
	Resolution	1 LSB (12 bit)		0.0625		°C
	Repeatability (1)	25°C, V+= 3.3 V (2)		0.0625		°C
	Long-term drift (3)	500 hours at 150°C, 5.5 V		0.0625		°C
DIGITAL INPUT/OUTPUT	Input capacitance			5		pF
V IH	High-level input logic		0.7(V+)			V
V IL	Low-level input logic				0.3(V+)	V
I IN	Leakage input current		-0.25	0	0.25	μA
	Input voltage hysteresis	SCL and SDA pins		600		mV
V OL	Low-level output logic	I OL = -3 mA, SDA and ALERT pins	0	0.15	0.4	V
	ADC Conversion time	one-shot mode	4.5	5.5	7	ms
T C		R1 = 0, R0 = 0 (default)		27.5		ms
Conversion	Time	R1 = 0, R0 = 1 R1 = 1, R0 = 0 R1 = 1, R0 = 1		55 110 220
	Reset time	The time between reset until ADC conversion start		0.3		ms
	Conversion Rate Variation		-10	0	10	%
POWER SUPPLY
	Operating voltage range		1.7	3.3	5.5	V

at T A = -55°C to +125°C and V+ = 1.7 V to 5.5 V (unless noted); typical specification are at T A = 25°C and V+=3.3 V

at T A = -55°C to +125°C and V+ = 1.7 V to 5.5 V (unless noted); typical specification are at T A = 25°C and V+=3.3 V

PARAMETER	PARAMETER	TEST CONDITIONS	TYP	MAX	UNIT
I Q	Quiescent current (serial bus inactive)	R1 = 0, R0 = 0 (default)	10	20	μA
I Q	Quiescent current (serial bus inactive)	R1 = 0, R0 = 1	5.5	9
I Q	Quiescent current (serial bus inactive)	R1 = 1, R0 = 0	4	6	μA
I Q	Quiescent current (serial bus inactive)	R1 = 1, R0 = 1	2.7	4
I Q	Quiescent current (serial bus inactive)	During 5.5 ms active conversion	52	85	μA
I SD	Shutdown current	Serial bus active, SCL frequency = 400 kHz, A0=A1=A2=GND	13		μA
I SD	Shutdown current	Serial bus inactive, A0=A1=A2=SCL=SDA=V+, 25°C	0.37	0.65	μA
I SD	Shutdown current	Serial bus inactive, A0=A1=A2=SCL=SDA=V+	0.37	3.5	μA
	Power supply thresholds	Supply rising, Power-on Reset	1.22		V
	Power supply thresholds	Supply failing, Brown-out Detect	1.1		V

Absolute Maximum Ratings

over operating free-air temperature range (unless otherwise noted) (1)

		MIN	MAX	UNIT
Power supply, V+	TMP1075		6.5	V
Power supply, V+	TMP1075N		4
Input voltage SCL, SDA, A1, A0	TMP1075	-0.3	6.5	V
Input voltage SCL, SDA, A0	TMP1075N	-0.3	4	V
Input voltage ALERT	TMP1075N		(V+)+0.3 and ≤4	V
Input voltage A2 pin	TMP1075	-0.3	(V+) + 0.3	V
Operating temperature		-55	150	°C
Junction temperature, T J			150	°C
Storage temperature, T stg		-60	130	°C

Recommended Operating Conditions

over operating free-air temperature range (unless otherwise noted)

		MIN	NOM	MAX	UNIT
Supply voltage	TMP1075	1.7		5.5	V
Supply voltage	TMP1075N	1.62	3.3	3.6	V
Operating free-air	TMP1075	-55		125	°C
Operating free-air	TMP1075N	-40		125	°C

Thermal Information

	THERMAL METRIC (1)	TMP1075 DGK (VSSOP)	TMP1075 D (SOIC)	TMP1075 DSG (WSON) 8 PINS	TMP1075N DRL (SOT)	UNIT
		8 PINS	8 PINS		6 PINS
R θJA	Junction-to-ambient thermal resistance	202.5	130.4	87.4	240.2	°C/W
R θJC(top)	Junction-to-case (top) thermal resistance	82	76.9	111.1	96.4	°C/W
R θJB	Junction-to-board thermal resistance	124.4	72.3	54	124.3	°C/W
Ψ JT	Junction-to-top characterization parameter	17.9	32	9.8	4	°C/W
Ψ JB	Junction-to-board characterization parameter	122.6	71.9	54.4	123.1	°C/W
R θJC(bot)	Junction-to-case (bottom) thermal resistance	__	__	28.1	__	°C/W
M T	Thermal mass	16.6	64.2	5	__	mJ/°C

Typical Application

The TMP1075 can measure the PCB temperature of the location where the user mounts the device. The TMP1075 features two-wire SMBus and I 2 C interface compatibility, with the TMP1075 allowing up to 32 (TMP1075N: 4) devices on one bus. The TMP1075 requires a pullup resistor on the SDA pin, and if needed, on the SCL and ALERT pins. A 0.01-μF bypass capacitor is also required (see Figure 8-1 ).

Package Information

PART NUMBER	PACKAGE (1)	PACKAGE SIZE (2)
TMP1075	VSSOP (DGK, 8)	3.00mm × 4.90mm
TMP1075	SOIC (D, 8)	4.90mm × 6.00mm
TMP1075	WSON (DSG, 8)	2.00mm × 2.00mm
TMP1075	SOT563 (DRL, 6) (3)	1.60mm × 1.60mm

(1) For more information, see Section 11.
(2) The package size (length × width) is a nominal value and includes pins, where applicable.
(3) Available as the TMP1075N orderable.

Related Variants

The following components are covered by the same datasheet.

Part Number	Manufacturer	Package
TMP1075	Texas Instruments	VSSOP-8 (DGK)
TMP107525	Texas Instruments	—
TMP10756	Texas Instruments	—
TMP1075DGK	Texas Instruments	VSSOP-8
TMP1075DGKR.A	Texas Instruments	—
TMP1075DGKT	Texas Instruments	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
TMP1075DR	Texas Instruments	8-SOIC (0.154", 3.90mm Width)
TMP1075DR.A	Texas Instruments	—
TMP1075DSG	Texas Instruments	WSON-8
TMP1075DSGR	Texas Instruments	8-WFDFN Exposed Pad
TMP1075DSGR.A	Texas Instruments	—
TMP1075DSGT	Texas Instruments	8-WFDFN Exposed Pad
TMP1075N	Texas Instruments	—
TMP1075N12	Texas Instruments	—
TMP1075N20	Texas Instruments	—
TMP1075N24	Texas Instruments	—
TMP1075N25	Texas Instruments	—
TMP1075N9	Texas Instruments	—
TMP1075NDRL	Texas Instruments	SOT563-6
TMP1075NDRLR	Texas Instruments	SOT-563, SOT-666
TMP1075NDRLR.A	Texas Instruments	—
TMP1075NDRLR.B	Texas Instruments	—
TMP1075NDRLT	Texas Instruments	SOT-563, SOT-666

Data on this page is extracted from publicly available manufacturer datasheets using automated tools including AI. It may contain errors or omissions. Always verify specifications against the official manufacturer datasheet before making design or purchasing decisions. See our Terms of Service. Rights holders can submit a takedown request.

Get structured datasheet data via API

Get started free