LTC2633 2 Dual 12-/10-/8-Bit I C V DACs with OUT 10ppm/C Reference FEATURES DESCRIPTION n Integrated Precision Reference The LTC 2633 is a family of dual 12-, 10-, and 8-bit volt- age-output DACs with an integrated, high accuracy, low 2.5V Full-Scale 10ppm/C (LTC2633-L) drift reference in an 8-lead TSOT-23 package. It has rail- 4.096V Full-Scale 10ppm/C (LTC2633-H) n to-rail output buffers and is guaranteed monotonic. The Maximum INL Error: 1.5LSB (LTC2633A-12) n LTC2633-L has a full-scale output of 2.5V, and operates Low Noise: 0.75mV 0.1Hz to 200kHz P-P n from a single 2.7V to 5.5V supply. The LTC2633-H has a Guaranteed Monotonic Over 40C to 125C full-scale output of 4.096V, and operates from a 4.5V to Temperature Range n 5.5V supply. Each DAC can also operate with an external Selectable Internal or External Reference n reference, which sets the full-scale output to the external 2.7V to 5.5V Supply Range (LTC2633-L) n reference voltage. Low Power: 0.4mA at 3V n 2 Power-on-Reset to Zero-Scale/Mid-Scale/Hi-Z These DACs communicate via a 2-wire I C-compatible n Double-Buffered Data Latches serial interface. The LTC2633 operates in both the stan- n 8-Lead ThinSOT Package dard mode (clock rate of 100kHz) and the fast mode (clock rate of 400kHz). The LTC2633 incorporates a power-on reset circuit. Options are available for reset to zero-scale, APPLICATIONS reset to mid-scale in internal reference mode, reset to n Mobile Communications mid-scale in external reference mode, or reset with all n Process Control and Industrial Automation DAC outputs in a high impedance state after power-up. n Power Supply Margining All registered trademarks and trademarks are the property of their respective owners. Protected n Portable Equipment by U.S. patents, including 5396245, 5859606, 6891433, 6937178, 7414561. n Automotive BLOCK DIAGRAM REF INTERNAL Integral Nonlinearity (LTC2633A-LZ12) SWITCH REFERENCE GND INL Curve V REF 2 V = 3V CC V CC INTERNAL REF. 1 V V OUTA OUTB DAC A DAC B 0 CONTROL POWER-ON 1 DECODE LOGIC RESET SCL 2 0 1024 2048 3072 4095 2 I C CA0 SDA 2 CODE ADDRESS I C INTERFACE 2633 TA01 DECODE 2633 BD Rev. D 1 Document Feedback For more information www.analog.com REGISTER REGISTER REGISTER REGISTER INL (LSB)LTC2633 ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Notes 1, 2) Supply Voltage (V ) ................................... 0.3V to 6V CC SCL, SDA ..................................................... 0.3V to 6V TOP VIEW V , V ....................0.3V to Min(V + 0.3V, 6V) OUTA OUTB CC SCL 1 8 SDA CA0 ...................................0.3V to Min(V + 0.3V, 6V) CC CA0 2 7 V CC REF ...................................0.3V to Min(V + 0.3V, 6V) CC REF 3 6 V OUTB GND 4 5 V Operating Temperature Range OUTA LTC2633C ................................................ 0C to 70C TS8 PACKAGE 8-LEAD PLASTIC TSOT-23 LTC2633H .......................................... 40C to 125C T = 150C (NOTE 5), = 195C/W JMAX JA Maximum Junction Temperature........................... 150C Storage Temperature Range ................... 65C to 150C Lead Temperature (Soldering, 10 sec) ..................300C ORDER INFORMATION LTC2633 A C TS8 L Z 12 TRM PBF LEAD FREE DESIGNATOR TAPE AND REEL TR = 2,500-Piece Tape and Reel TRM = 500-Piece Tape and Reel RESOLUTION 12 = 12-Bit 10 = 10-Bit 8 = 8-Bit POWER-ON RESET I = Reset to Mid-Scale in Internal Reference Mode X = Reset to Mid-Scale in External Reference Mode (2.5V Full-Scale Voltage, Internal Reference Mode Option Only) O = Reset to Mid-Scale in Internal Reference Mode, DACs High Z (2.5V Full-Scale Voltage, Internal Reference Mode Option Only) Z = Reset to Zero-Scale in Internal Reference Mode FULL-SCALE VOLTAGE INTERNAL REFERENCE MODE L = 2.5V H = 4.096V PACKAGE TYPE TS8 = 8-Lead Plastic TSOT-23 TEMPERATURE GRADE C = Commercial Temperature Range (0C to 70C) H = Automotive Temperature Range (40C to 125C) ELECTRICAL GRADE (OPTIONAL) A = 1.5LSB Maximum INL (12-Bit) PRODUCT PART NUMBER Contact the factory for parts specified with wider operating temperature ranges. Contact the factory for information on lead based finish parts. Tape and reel specifications. Some packages are available in 500 unit reels through designated sales channels with TRMPBF suffix. Rev. D 2 For more information www.analog.com