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The TMP103 is a digital output temperature sensor in a 4-bump wafer-scale chip-scale package (WCSP package). The TMP103 reads temperatures with a resolution of up to 1°C.

The TMP103 has a two-wire interface that is compatible with both I2C and SMBus interfaces. In addition, the interface supports multiple device access (MDA) commands, allowing the master to communicate with multiple devices on the bus at the same time, eliminating the need to send commands to each TMP103 on the bus individually.

Up to 8 TMP103s can be connected in parallel and easily read by the host. The TMP103 is ideal for space-constrained, power-sensitive applications with multiple temperature measurement zones that must be monitored.

The TMP103 has a specified operating temperature range of -40°C to +125°C.

• Multi-device access (malondialdehyde):
  • Global read/write operations
• I2C/SMBus compatible interface
• Resolution: 8-bit
• Accuracy: Typical values of ± 1°C (-40°C to +100°C)
• Low quiescent current:
  • Residual Q in operating mode is 3μA at 0.25Hz frequency
  • In shutdown mode, the Q is 1μA
• Power Range: 1.4V to 3.6V
• Digital output
• Package: 4-bumper with WCSP (Wafer Scale Package) (DSBGA)
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