LTC2664IUH-12#PBF

LTC2664IUH-12#PBF is a four-channel, 12bit ±10V digital-to-analogue converter with 10ppm/°C max integrated precision reference. They are guaranteed monotonic and have built-in rail-to-rail output buffers. These SoftSpan™ DACs offer five output ranges up to ±10V. The range of each channel is independently programmable, or the part can be hardware-configured for operation in a fixed range. The integrated 2.5V reference is buffered separately to each channel an external reference can be used for additional range options. The LTC2664 also includes A/B toggle capability via a dedicated pin or software toggle command. The SPI/Microwire-compatible 3-wire serial interface operates on logic levels as low as 1.71V at clock rates up to 50MHz. Applications include optical networking, instrumentation, data acquisition, automatic test equipment, process control, and industrial automation.

• Guaranteed monotonic over temperature, 1.8V to 5V SPI serial interface
• Analog multiplexer with auxiliary inputs, outputs drive ±10mA guaranteed
• Integral nonlinearity is ±0.2LSB typical at (TA = 25°C, VCC = 5V, IOVCC = 5V, V+ = 15V)
• Unipolar offset error is ±1mV typical at (0V to 5V range, TA = 25°C, VCC = 5V)
• Gain error is ±0.02%FSR typical at (TA = 25°C, VCC = 5V, IOVCC = 5V, V+ = 15V)
• DC output impedance is 0.078 ohm typical at (–10mA ≤ IOUT ≤ 10mA, TA = 25°C, VCC = 5V)
• Voltage output slew rate is 5V/µs typical at (TA = 25°C, VCC = 5V, IOVCC = 5V)
• VCC supply current is 1.6mA typical at (VCC = 5V, unipolar ranges, TA = 25°C, VCC = 5V, IOVCC = 5V)
• VCC shutdown supply current is 1µA typical at (IOVCC = VCC = 5V, V+/V– = ±15V)
• Industrial temperature range from -40°C to 85°C, 32-lead QFN package

注释

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