TMP1075DR

Part: TMP1075 (TMP1075D, TMP1075DGK, TMP1075DSG, TMP1075N DRL) — Texas Instruments

Type: Digital Temperature Sensor (I²C/SMBus, LM75-compatible)

Description: 12-bit digital temperature sensor with ±1°C maximum accuracy (-40°C to 110°C for D/DGK), 0.0625°C resolution, 1.7–5.5 V supply (1.62–3.6 V for TMP1075N), and I²C/SMBus interface with ALERT output.

Operating Conditions:

• Supply voltage: 1.7–5.5 V (TMP1075 D/DGK/DSG); 1.62–3.6 V (TMP1075N DRL)
• Operating temperature: -55 to 125°C (TMP1075 D/DGK/DSG); -40 to 125°C (TMP1075N DRL)
• SCL frequency: up to 0.4 MHz (fast mode), up to 2.56 MHz (TMP1075) or 2.85 MHz (TMP1075N) in high-speed mode

Absolute Maximum Ratings:

• Max supply voltage (V+): 6.5 V (TMP1075); 4 V (TMP1075N)
• Max input voltage on SCL, SDA, A1, A0: 6.5 V (TMP1075); SCL, SDA, A0: 4 V (TMP1075N)
• Max junction temperature: 150°C
• Storage temperature: -60 to 130°C
• ESD: HBM 2000 V, CDM 1000 V

Key Specs:

• Accuracy (TMP1075 D/DGK): ±0.25°C typ, ±1°C max from -40 to 110°C; ±2°C max from -55 to 125°C
• Accuracy (TMP1075 DSG): ±1°C max from -40 to 75°C; ±2°C max from -55 to 125°C
• Accuracy (TMP1075N): ±1°C max from -10 to 60°C; ±2°C max from -40 to 125°C
• Resolution: 12 bits, 0.0625°C per LSB
• Quiescent current (TMP1075, serial bus inactive): 10 μA typ / 20 μA max at default rate (27.5 ms); 2.7 μA typ / 4 μA max at slowest rate (R1=R0=1)
• Shutdown current (TMP1075, bus inactive): 0.37 μA typ, 0.65 μA max at 25°C; 3.5 μA max over temperature
• TMP1075N average current (bus inactive): 4.8 μA typ, 7.5 μA max; shutdown 0.15 μA typ, 0.35 μA max
• Conversion time: 5.5 ms typ one-shot (TMP1075); 10 ms typ, 15 ms max (TMP1075N)
• Logic: VIH 0.7×V+ min, VIL 0.3×V+ max; VOL 0.4 V max at 3 mA (SDA, ALERT)
• Power-on reset 1.22 V rising, brown-out 1.1 V falling (TMP1075)

Features:

• Pin-to-pin and software compatible with LM75 and TMP75
• SMBus and I²C interface; can coexist on an I3C mixed fast mode bus
• Up to 32 I²C addresses (TMP1075); 4 addresses (TMP1075N)
• ALERT pin function
• Programmable conversion rate and device ID (D/DGK/DSG packages)
• Temperature independent of supply
• NIST traceable production testing

Applications:

• Power-supply temperature monitoring
• Connected peripherals and printers
• PCs and notebooks
• Mobile phones
• Battery management
• Enterprise machines
• Thermostats
• Wireless environmental sensors and HVAC
• Electromechanical device temperature

Package:

• SOIC (D, 8) — 4.90 mm × 6.00 mm
• VSSOP (DGK, 8) — 3.00 mm × 4.90 mm
• WSON (DSG, 8) — 2.00 mm × 2.00 mm
• SOT563 (DRL, 6) — 1.60 mm × 1.60 mm (TMP1075N)

• 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

• 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

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

.

.

.

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

1. Pin 1 is determined by orienting the package marking as indicated in the diagram.
2. 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

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

Table 5-1. Pin Functions

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

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

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

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

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 ).

• (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.