LTC2612 Linear Technology Corporation, LTC2612 Datasheet
LTC2612
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LTC2612 Summary of contents
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... The parts use a simple SPI/MICROWIRE™ compatible 3-wire serial interface which can be operated at clock rates up to 50MHz. The LTC2602/LTC2612/LTC2622 incorporate a power- on reset circuit. During power-up, the voltage outputs rise less than 10mV above zero scale, and after power- up, they stay at zero scale until a valid write and update take place ...
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... Any Pin to GND ........................................... – 0. Any Pin ........................................................ Maximum Junction Temperature ......................... 125°C Operating Temperature Range LTC2602C/LTC2612C/LTC2622C .......... 0°C to 70°C LTC2602I/LTC2612I/LTC2622I .......... – 40°C to 85°C Storage Temperature Range ................ – 65°C to 150°C Lead Temperature (Soldering, 10 sec)................ 300°C ELECTRICAL C HARA TERISTICS C ...
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... LTC2612 LTC2602 MIN TYP MAX MIN TYP MAX 2.7 2.7 4.8 4.8 5.2 0.80 0.80 1000 1000 12 12 180 180 120 120 100 100 15 15 UNITS dB Ω Ω µV µV/mA µ ...
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... Note Note 6: Guaranteed by design and not production tested. to code Note 7: Inferred from measurement at code 256 (LTC2602), code 0.016 (LTC2612) or code 16 (LTC2622), and at fullscale. L REF = L Note and 3/4 scate to 1/4 scale. Load parallel with 200pF to GND. Note 4.096V, with and half scale – ...
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... AVERAGE OF 2048 EVENTS (LTC2612) Integral Nonlinearity (INL 4.096V 6 REF –2 –4 –6 –8 0 4096 8192 12288 16383 CODE 2602 G28 LTC2602/LTC2612/LTC2622 INL vs V REF 5. INL (POS –8 INL (NEG) –16 –24 – (V) REF ...
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... LTC2602/LTC2612/LTC2622 W U TYPICAL PERFOR A CE CHARACTERISTICS (LTC2622) Integral Nonlinearity (INL) 2 4.096V REF 1.5 1.0 0.5 0 –0.5 –1.0 –1.5 –2.0 0 1024 2048 3072 4095 CODE 2602 G31 (LTC2602/LTC2612/LTC2622) Current Limiting 0.10 CODE = MIDSCALE 0. REF CC 0. REF CC 0.04 0.02 0 –0. REF CC –0. ...
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... G10 2.5µs/DIV Supply Current vs Logic Voltage 1 SWEEP SCK, SDI 1.4 AND CS/ 1.2 1.0 0.8 0.6 0.4 0 1.5 3.5 0 LOGIC VOLTAGE (V) LTC2602/LTC2612/LTC2622 I Shutdown 450 400 350 300 250 200 150 100 50 0 2.5 3 3.5 4 4.5 V (V) CC Power-On Reset Glitch V CC 1V/DIV 4mV PEAK ...
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... LTC2602/LTC2612/LTC2622 W U TYPICAL PERFOR A CE CHARACTERISTICS (LTC2602/LTC2612/LTC2622) Output Voltage Noise, 0.1Hz to 10Hz V OUT 10µV/DIV SECONDS 2602 G17 8 Short-Circuit Output Current vs V (Sinking) OUT 5. 5.6V REF CODE = 0 40 SWEPT OUT ...
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... DIAGRA SCK SDI CS/LD LTC2602/LTC2612/LTC2622 LTC2602/LTC2612/LTC2622 accept input word lengths of either bits. REF (Pin 4): Reference Voltage Input. 0V ≤ and V OUT B Outputs. The output range is 0 – V (Pin 6): Supply Voltage Input. 2.5V ≤ GND (Pin 7): Analog Ground. ...
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... DAC address, A3-A0; and finally the 16-bit data word. The data word comprises the 16-, 14- or 12-bit input code, ordered MSB-to-LSB, followed don’t-care bits (LTC2602, LTC2612 and LTC2622 respectively). Data can only be transferred to the device when the CS/LD signal is low.The rising edge of CS/LD ends the data transfer and causes the device to carry out the action specified in the 24-bit input word ...
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... U OPERATIO INPUT WORD (LTC2602) COMMAND ADDRESS INPUT WORD (LTC2612) COMMAND ADDRESS INPUT WORD (LTC2622) COMMAND ADDRESS output pins are passively pulled to ground through indi- vidual 90kΩ resistors. Input- and DAC-register contents are not disturbed during power-down ...
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... Resistance here will add directly to the effective DC output impedance of the device (typically 0.050Ω), and will degrade DC crosstalk. Note that the LTC2602/LTC2612/LTC2622 are no more susceptible to these effects than other parts of their type; on the contrary, they allow layout-based performance improvements to shine rather than limiting attainable performance with excessive internal resistance ...
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... U OPERATIO LTC2602/LTC2612/LTC2622 2602fa 13 ...
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... LTC2602/LTC2612/LTC2622 U OPERATIO OUTPUT VOLTAGE 0V NEGATIVE INPUT CODE OFFSET (b) Figure 3. Effects of Rail-to-Rail Operation On a DAC Transfer Curve. (a) Overall Transfer Function (b) Effect of Negative Offset for Codes Near Zero Scale (c) Effect of Positive Full-Scale Error for Codes Near Full Scale REF CC OUTPUT VOLTAGE ...
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... Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights. LTC2602/LTC2612/LTC2622 U MS8 Package 8-Lead Plastic MSOP (Reference LTC DWG # 05-08-1660) 0.889 ± ...
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... LTC2602/LTC2612/LTC2622 RELATED PARTS PART NUMBER DESCRIPTION LTC1458/LTC1458L Quad 12-Bit Rail-to-Rail Output DACs with Added Functionality LTC1654 Dual 14-Bit Rail-to-Rail V LTC1655/LTC1655L Single 16-Bit V DAC with Serial Interface in SO-8 OUT LTC1657/LTC1657L Parrallel 5V/3V 16-Bit V LTC1660/LTC1665 Octal 10/8-Bit V DAC in 16-Pin Narrow SSOP OUT LTC1661 ...