LTC
· Integrated Precision Reference
2.5V Full Scale 10ppm/°C (LTC2631-L)
4.096V Full Scale 10ppm/°C (LTC2631-H)
· Maximum INL Error: 1 LSB (LTC
· Bidirectional Reference: Input or 10ppm/°C Output
· 400 kHz I
· 9 Selectable Addresses (LTC2631-Z)
· Low Noise (0.7mVP-P, 0.1Hz to 200kHz)
· Guaranteed Monotonic Over Temperature
· 2.7V to 5.5V Supply Range (LTC2631-L)
· Low Power Operation: 180μA at 3V
· Power Down to 1.8μA Maximum (C and I Grades)
· Power-On Reset to Zero or Midscale Options
· Double-Buffered Data Latches
· Guaranteed Operation From –
· 8-Lead TSOT-23 (ThinSOT) Package
Typical Application
Description
The LTC2631 is a family of 12-, 10-, and 8-bit voltage- output DACs with an integrated, high-accuracy, low-drift reference in an 8-lead TSOT-23 package. It has a rail-to-rail output buffer that is guaranteed monotonic.
The LTC2631-L has a full-scale output of 2.5V, and operates from a single 2.7V to 5.5V supply. The LTC2631-H has a full-scale output of 4.096V, and operates from a 4.5V to 5.5V supply. A 10 ppm/°C reference output is available at the REF pin.
Each DAC can also operate in External Reference mode, in which a voltage supplied to the REF pin sets the full-scale output.
The LTC2631 DACs use a 2-wire, I
The LTC2631 incorporates a power-on reset circuit. Options are available for Reset to Zero Scale or Reset to Midscale after power-up.
Packaging
SOT-23
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