+5 V Powered RS-232/RS-422 Transceiver Features: RS-232 and RS-422 on One Chip Single +5 V Supply 0.1 mF Capacitors Short Circuit Protection Excellent Noise Immunity Low Power BiCMOS Technology High Speed, Low Skew RS-422 Operation -40 to 85C

Single-Channel, 3 V Front-End Processor for General Purpose Applications Including Speech and Telephony Features: 16-Bit A/D Converters 16-Bit D/A Converters Programmable Input/Output Sample Rates 75 dB ADC SNR 70 db DAC SNR 64 ksps Maximum Sample Rate -90 db Crosstalk Programmable Input/Output Gain Low group Delay (25 µs per ADC ch, 50 µs per DAC ch) Flexible Serial Port Allows Up to 4 Codecs To Be Connected in Cascade Giving 8 I/O Channels Single 2.7 V to 3.3 V Supply Operation 50 mW Max Power Dissipation at 2.7 V 20-Lead SOIC/SSOP/TSSOP Packages

Low Power, 24-Bit, 31.25 kSPS, Sigma-Delta ADC with True Rail-to-Rail Buffers Features: Fast and flexible output rate: 1.25 SPS to 31.25 kSPS Channel scan data rate of 6.21 kSPS/channel (161 µs settling) Performance specifications 17.2 noise free bits at 31.25 kSPS 24 noise free bits at 5 SPS INL: ±2 ppm of FSR 85 dB rejection of 50 Hz and 60 Hz with 50 ms settling User configurable input channels 2 fully differential channels or 4 single-ended channels Crosspoint multiplexer On-chip 2.5 V reference (±2 ppm/°C drift) True rail-to-rail analog and reference input buffers Internal or external clock See data sheet for additional features

Pin-Programmable, Ultralow Noise, 24-Bit, Sigma-Delta ADC for Bridge Sensors Features:Pin-programmable output rateOutput data rate: 10 Hz, 50 Hz, 60 Hz, 120 HzPin-programmable PGAGain: 1, 8, 64, 128Pin-programmable power-down and resetRMS noise: 15 nV @ 10 Hz (gain = 128)Up to 21.5 noise free bits (gain = 1)Please see data sheet for additional features

16-Bit, 750 kSPS, Unipolar/Bipolar Programmable Input PulSAR ADC Features: Multiple pins/software programmable input ranges: 5 V, 10 V, ±5 V, ±10 V Pins or serial SPI®-compatible input ranges/mode selection Throughput 750 kSPS (warp mode) 600 kSPS (normal mode) 500 kSPS (impulse mode) INL: ±0.75 LSB typical, ±1.5 LSB maximum (±23 ppm of FSR) 16-bit resolution with no missing codes SNR: 92 minimum (5 V) @ 2 kHz, 94 dB typical (±10 V) @ 2 kHz THD: −107 dB typical iCMOS™ process technology 5 V internal reference: typical drift 3 ppm/°C; TEMP output No pipeline delay (SAR architecture) Parallel (16- or 8-bit bus) and serial 5 V/3.3 V interface SPI-/QSPI™-/MICROWIRE™-/DSP-compatible

40MHz to 900MHz Quadrature Demodulator Features: RF Input Frequency Range: 40MHz to 900MHz High IIP3: 21dBm at 800MHz High IIP2: 58dBm at 800MHz I/Q Gain Mismatch: 0.3dB Max I/Q Phase Mismatch: 0.7° Noise Figure: 12.4dB at 800MHz Conversion Gain: 3.3dB at 800MHz Baseband Bandwidth: 130MHz Single Ended, 50 Matched 2XLO Input Shutdown Mode 16-Lead QFN (4mm × 4mm) Package with Exposed Pad

Photoflash Capacitor Chargers with Automatic Refresh Features: Charges 220µF to 320V in 3.7 Seconds from 5V (LT3420) Charges 100µF to 320V in 3.5 Seconds from 5V (LT3420-1) Charges Any Size Photoflash Capacitor Supports Operation from Two AA Cells or Any Supply from 1.8V to 16V Controlled Peak Switch Current: 1.4A (LT3420) 1.0A (LT3420-1) Controlled Input Current: 840mA (LT3420) 450mA (LT3420-1) Uses Standard Transformers Efficient Flyback Operation (>75% Typical) Adjustable Output Automatic Refresh Charge Complete Indicator No High Voltage Zener Diode Required No Output Voltage Divider Required Small 10-Lead MSOP Package Small 10-Lead (3mm × 3mm) DFN Package

IC Multidisplay LED Controller Features: Step-Up/Direct-Connect Fractional Charge Pump Provides Up to 92% Efficiency Up to 400mA Continuous Output Current Independent Current and Dimming Control for 1-6 LED MAIN, 1-4 LED SUB and RGB LED Displays LED Currents Programmable Using 2-Wire I2C™ Serial Interface 1% LED Current Matching Low Noise Constant Frequency Operation* Minimal Component Count Automatic Soft-Start Limits Inrush Current 16 Exponentially Spaced Dimming States Provides 128:1 Brightness Range for MAIN and SUB Displays Up to 4096 Color Combinations for RGB Display Low Operating Current: IVIN = 180µA Tiny, Low Profile 24-Lead (4mm × 4mm × 0.75mm) QFN Package

12-Bit, 170Msps ADCs Features: Sample Rate: 170Msps/135Msps 67.5dB SNR up to 140MHz Input 80dB SFDR up to 170MHz Input 775MHz Full Power Bandwidth S/H Single 3.3V Supply Low Power Dissipation: 890mW/660mW LVDS, CMOS, or Demultiplexed CMOS Outputs Selectable Input Ranges: ±0.5V or ±1V No Missing Codes Optional Clock Duty Cycle Stabilizer Shutdown and Nap Modes Data Ready Output Clock Pin Compatible Family 185Msps: LTC2220-1 (12-Bit) 170Msps: LTC2220 (12-Bit), LTC2230 (10-Bit) 135Msps: LTC2221 (12-Bit), LTC2231 (10-Bit) 64-Pin 9mm × 9mm QFN Package

Low Noise Regulated Charge Pump in 2 2 DFN Features: Fixed 3.3V or 5V Outputs VIN Range: 1.8V to 4.5V (LTC3204-3.3/LTC3204B-3.3) 2.7V to 5.5V (LTC3204-5/LTC3204B-5) Output Current: Up to 150mA (LTC3204-5/LTC3204B-5) Up to 50mA (LTC3204-3.3/LTC3204B-3.3) Automatic Burst Mode® Operation with IQ = 48µA (LTC3204-3.3/LTC3204-5) Constant Frequency Operation at All Loads (LTC3204B-3.3/LTC3204B-5) Low Noise Constant Frequency (1.2MHz) Operation* Built-In Soft-Start Reduces Inrush Current Shutdown Disconnects Load from Input Shutdown Current <1µA Short-Circuit/Thermal Protection Available in Low Profile 6-Lead DFN Package