1 Features
• Vendor item drawing (VID) V62/24615
• Radiation tolerant:
– TID characterized up to 50krad(Si)
– TID RHA/RLAT assurance up to 30krad(Si)
– SEL immune to LET: 43MeV×cm2/mg at 125°C
– SEE characterized to LET: 43MeV×cm2/mg
– SEFI characterized to LET: 43MeV×cm2/mg
• I2C interface (SMBusTM compatible)
– Pin-programmable address
– 12-bit resolution: 0.0625°C (LSB)
• Temperature accuracy and range:
– Local (on-chip) temp accuracy: ±2.0°C (Max)
– Remote junction temp accuracy: ±1.5°C (Max)
– Remote range tested to: –64°C to 191°C
• Small-size package: VSSOP-10, 4.9mm × 3.0mm
• QMLP version: TMP9R01-SP (pre-release)
• QMLV version: TMP461-SP
• Integrated calibration/protection features:
– η-factor and offset correction
– Series resistance cancellation
– Remote BJT/diode fault detection
– Programmable digital filter
• Wide operating range, low power:
– Voltage supply range: 1.7V to 3.6V
– I/O voltages: 1.8V, 2.5V, and 3.3V
– Standby/shutdown IQ: 15μA/3μA
• Space enhanced plastic (Space EP):
– Meets NASA’s ASTM E595 outgassing spec
– Military temperature range (-55°C to 125°C)
– Au bondwire and NiPdAu lead finish
– One fabrication, assembly, and test site
– Extended product life cycle
– Wafer lot traceability
– Extended product change notification

2 Applications
• Space-grade FPGA, ADCs, DACs, and ASIC
integrated junction temperature sensing
• Space:
– Communications payload
– Radar imaging payload
– Optical imaging payload
– On-board computer (OBC)
– Command & data handling (C&DH)

3 Description
The TMP9R01-SEP device is a radiation-tolerant,
high-accuracy, low-power remote and local
temperature sensor that integrates a 12‑bit ADC,
bias currents, and on‑chip calibration circuitry for
temperature sensing. This device is available in a 10-
pin VSSOP plastic-encapsulated package. By forcing
a bias current through an external BJT transistor,
or the diode/junction integrated in an FPGA, ADC,
or ASIC, the device digitizes the resulting ΔVBE
and directly reports with a 0.0625°C temperature
resolution. The second on‑chip sensor measures local
temperature, enabling on-board temperature sensing.
The TMP9R01-SEP device incorporates multiple
calibration and protection features, including series
resistance cancellation, programmable non‑ideality
factor (η-Factor), offset correction, and programmable
digital filter. The user can set high and low
temperature limits that drive the ALERT output for
over- and under- temperature thermal protection.
The I2C/SMBus serial interface accepts up to nine
different pin-programmable addresses on the same
I2C bus. The TMP9R01-SEP device is also available
in a QMLV (TMP461-SP) and QMLP (TMP9R01-SP,
prerelease) versions, with higher radiation specs.
The TMP9R01-SEP device is ideal for multi‑location
spacecraft housekeeping, satellite telemetry, avionics,
and other high‑reliability industrial or medical designs
that require precise temperature sensing and radiation
tolerance.