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TMP139AIYAHR: JEDEC DDR5 Temperature Sensor with 0.5°C Accuracy, DSBGA-6

Model: TMP139AIYAHR

Package: DSBGA-6

Type: Temperature Sensor

Overview:

The TMP139AIYAHR is a high-precision temperature sensor featuring a digital interface compatible with I²C/I³C and supporting in-band interrupts (IBI). It meets JEDEC JESD302-1 interface requirements for Grade B devices, with temperature accuracy exceeding specification demands to enable higher-performance DDR5 memory modules.

The TMP139AIYAHR is housed in a compact 6-ball DSBGA package, specifically engineered for high-speed, high-accuracy, and low-power thermal monitoring applications. The TMP139AIYAHR offers typical accuracy of ±0.25°C across its entire operating temperature range of -40°C to +125°C, featuring an on-chip 11-bit analogue-to-digital converter (ADC) with 0.25°C temperature resolution.

TMP139AIYAHR Specifications:

Sensor Type: Digital, Local

Sensor Temperature - Local: -40°C to 125°C

Output Type: 2-wire serial, I²C

Supply Voltage: 1.7V to 1.98V

Resolution: 11 bits

Features: Shutdown mode, Standby mode

Accuracy - Maximum (Minimum): ±0.5°C (±0.75°C)

Test Conditions: 75°C to 95°C (-40°C to 125°C)

Operating Temperature: -40°C to 125°C (TA)

Mounting Type: Surface Mount

Package/Housing: 6-XFBGA, WLBGA

Supplier Device Package: 6-WLP-01 (1.28x0.78)

TMP139AIYAHR Product Features:

Supports JEDEC JESD302-1 DDR5 Class B temperature sensor

Exceeds JEDEC temperature accuracy specifications:

Typical ±0.25°C

Maximum ±0.5°C (+75°C to +95°C)

Maximum ±0.75°C (-40°C to +125°C)

Operating Temperature Range: –40°C to +125°C

Low Power Consumption:

Typical average static current: 8.3µA

Typical standby current: 4.0µA

I/O supply voltage: 1V

Core supply voltage: 1.8V

Two-wire serial bus interface (I²C and I³C basic operating modes)

Data transfer rate up to 12.5MHz in I3C basic mode

In-band interrupt (IBI) for alerting the host

Parity error checking for host writes

Packet error checking for host reads and writes

11-bit resolution: 0.25°C (1LSB)

Standard 6-ball DSBGA (WCSP) package, 0.5mm pitch

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