14-Bit, 65Msps Low Power 3V ADCs Features: Sample Rate: 65Msps/40Msps/25Msps Single 3V Supply (2.7V to 3.4V) Low Power: 205mW/120mW/75mW 74.3dB SNR 90dB SFDR No Missing Codes Flexible Input: 1VP-P to 2VP-P Range 575MHz Full Power Bandwidth S/H Clock Duty Cycle Stabilizer Shutdown and Nap Modes Pin Compatible Family 125Msps: LTC2253 (12-Bit), LTC2255 (14-Bit) 105Msps: LTC2252 (12-Bit), LTC2254 (14-Bit) 80Msps: LTC2229 (12-Bit), LTC2249 (14-Bit) 65Msps: LTC2228 (12-Bit), LTC2248 (14-Bit) 40Msps: LTC2227 (12-Bit), LTC2247 (14-Bit) 25Msps: LTC2226 (12-Bit), LTC2246 (14-Bit) 10Msps: LTC2225 (12-Bit), LTC2245 (14-Bit) 32-Pin (5mm × 5mm) QFN Package

12-Bit, 125Msps Low Power 3V ADCs Features: Sample Rate: 125Msps/105Msps Single 3V Supply (2.85V to 3.4V) Low Power: 395mW/320mW 70.2dB SNR 88dB SFDR No Missing Codes Flexible Input: 1VP-P to 2VP-P Range 640MHz Full Power Bandwidth S/H Clock Duty Cycle Stabilizer Shutdown and Nap Modes Pin Compatible Family 125Msps: LTC2253 (12-Bit), LTC2255 (14-Bit) 105Msps: LTC2252 (12-Bit), LTC2254 (14-Bit) 80Msps: LTC2229 (12-Bit), LTC2249 (14-Bit) 65Msps: LTC2228 (12-Bit), LTC2248 (14-Bit) 40Msps: LTC2227 (12-Bit), LTC2247 (14-Bit) 25Msps: LTC2226 (12-Bit), LTC2246 (14-Bit) 10Msps: LTC2225 (12-Bit), LTC2245 (14-Bit) 32-Pin (5mm × 5mm) QFN Package

12-Bit, 40Msps Ultralow Power 1.8V ADCs Features: 71.1dB SNR 88dB SFDR Low Power: 79mW/47mW/34mW Single 1.8V Supply CMOS, DDR CMOS or DDR LVDS Outputs Selectable Input Ranges: 1VP-P to 2VP-P 800MHz Full-Power Bandwidth S/H Optional Data Output Randomizer Optional Clock Duty Cycle Stabilizer Shutdown and Nap Modes Serial SPI Port for Configuration Pin Compatible 14-Bit and 12-Bit Versions 40-Pin (6mm × 6mm) QFN Package

ADC, SUCCESSIVE APPROXIMATION, 18-BIT, 1 FUNC, 1 CHANNEL, SERIAL ACCESS, CMOS, PDSO16

SWITCHING CONTROLLER, CURRENT-MODE, 850KHZ SWITCHING FREQ-MAX, PDSO12

POWER SUPPLY MANAGEMENT CIRCUIT, ADJUSTABLE, 1 CHANNEL, PDSO14

IC PRE-DIST RECEIVER 108-LGA

Hot Swap Controller Features: Allows Safe Board Insertion and Removal from a Live Backplane System Reset and Power Good Control Outputs Programmable Electronic Circuit Breaker User Programmable Supply Voltage Power-Up Rate High Side Driver for Two External N-Channels Controls Supply Voltages from 3V to 12V Connection Inputs Detect Board Insertion or Removal Undervoltage Lockout Power-On Reset Input

High Efficiency Low Noise Synchronous Step-Down Switching Regulator Features: Dual N-Channel MOSFET Synchronous Drive Programmable Fixed Frequency Wide VIN Range: 3.5V to 36V Operation Low Minimum On-Time (≤300ns) for High Frequency, Low Duty Cycle Applications Very Low Dropout Operation: 99% Duty Cycle Low Standby Current Secondary Feedback Control Programmable Soft Start Remote Output Voltage Sense Logic Controlled Micropower Shutdown: IQ <25µA Foldback Current Limiting (Optional) Current Mode Operation for Excellent Line and Load Transient Response Output Voltages from 1.19V to 9V Available in 16-Lead Narrow SO and SSOP Packages

High Efficiency Low Noise Synchronous Step-Down Switching Regulator Features: Dual N-Channel MOSFET Synchronous Drive Programmable Fixed Frequency Wide VIN Range: 3.5V to 36V Operation Ultrahigh Efficiency Very Low Dropout Operation: 99% Duty Cycle Low Standby Current Secondary Feedback Control Programmable Soft Start Remote Output Voltage Sense Logic Controlled Micropower Shutdown: IQ <25µA Foldback Current Limiting (Optional) Current Mode Operation for Excellent Line and Load Transient Response Output Voltages from 1.19V to 9V Available in 16-Lead Narrow SO and SSOP Packages

High Efficiency Low Noise Synchronous Step-Down Switching Regulators Features: Maintains Constant Frequency at Low Output Currents Programmable Fixed Frequency (PLL Lockable) Wide VIN Range: 3.5V to 36V Operation Low Minimum On-Time (≤300ns) for High Frequency, Low Duty Cycle Applications Dual N-Channel MOSFET Synchronous Drive Very Low Dropout Operation: 99% Duty Cycle Low Dropout, 0.5A Linear Regulator for CPU I/O or Low Noise Audio Supplies Built-In Power-On Reset Timer Programmable Soft Start Low-Battery Detector Remote Output Voltage Sense Foldback Current Limiting (Optional) Pin Selectable Output Voltage Logic Controlled Micropower Shutdown: IQ < 25µA Output Voltages from 1.19V to 9V Available in 24-Lead Narrow SSOP and 28-Lead SSOP Packages

Switching Voltage Regulators 150V Low Iq Synchronous Step-Down Controller

Dual 12-Bit Rail-to-Rail Micropower DAC Features: SO-8 Package 12-Bit Resolution Buffered True Rail-to-Rail Voltage Output External Reference Input Can Be Tied to VCC Output Swings from 0V to VREF 3V and 5V Supply Operation Schmitt Trigger on Clock Input Allows Direct Optocoupler Interface Power-On Reset Clears DACs to 0V 3-Wire Serial Interface Maximum DNL Error: 0.5LSB Low Cost

Parallel Input, 12-Bit Rail-to-Rail Micropower DACs in SSOP Features: Guaranteed Monotonic Buffered True Rail-to-Rail Voltage Output 12-Bit Resolution 3V Operation (LTC1450L) ICC: 250µA Typ 5V Operation (LTC1450) ICC: 400µA Typ Parallel 12-Bit or 8 + 4-Bit Double Buffered Digital Input Internal Reference Output Buffer Configurable to Gain of 1 or 2 Configurable as a Multiplying DAC Internal Power-On Reset Maximum DNL Error: 0.5LSB

Low Noise, Switched Capacitor Regulated Voltage Inverters Features: Regulated Negative Voltage from a Single Positive Supply Low Output Ripple: Less Than 1mVP-P Typ High Charge Pump Frequency: 900kHz Typ Small Charge Pump Capacitors: 0.1µF Requires Only Four External Capacitors Fixed ±4.1V, ±2.5V, ±2V or Adjustable Output Shutdown Mode Drops Supply Current to <1µA High Output Current: Up to 20mA (Depending on VCC to VOUT Range) Output Regulation: 2.5% Over Line, Load and Temperature Available in 8-Lead MSOP, 8-Lead Narrow SO and 16-Lead Narrow SSOP

Buffered Octal, 18-Bit, 200ksps/Ch Differential 10.24V ADC with 30VP-P Common Mode Range Features: Simultaneous Sampling of 8 Buffered Channels 200ksps per Channel Throughput 500pA/12nA Max Input Leakage at 85°C/125°C ±3.5LSB INL (Maximum, ±10.24V Range) Guaranteed 18-Bit, No Missing Codes Differential, Wide Common Mode Range Inputs Per-Channel SoftSpan Input Ranges: ±10.24V, 0V to 10.24V, ±5.12V, 0V to 5.12V ±12.5V, 0V to 12.5V, ±6.25V, 0V to 6.25V 96.4dB Single-Conversion SNR (Typical) −111dB THD (Typical) at fIN = 2kHz 128dB CMRR (Typical) at fIN = 200Hz Rail-to-Rail Input Overdrive Tolerance Integrated Reference and Buffer (4.096V) SPI CMOS (1.8V to 5V) and LVDS Serial I/O Internal Conversion Clock, No Cycle Latency 219mW Power Dissipation (27mW/Ch Typical) 48-Lead (7mm x 7mm) LQFP Package

18-Bit, 250ksps, Pseudo-Differential Unipolar SAR ADC with 97dB SNR Features: 250ksps Throughput Rate ±2.5LSB INL (Max) Guaranteed 18-Bit No Missing Codes Low Power: 3.4mW at 250ksps, 3.4μW at 250sps 97dB SNR (Typ) at fIN = 2kHz –120dB THD (Typ) at fIN = 2kHz Guaranteed Operation to 125°C 2.5V Supply Pseudo-Differential Unipolar Input Range: 0V to VREF VREF Input Range from 2.5V to 5.1V No Pipeline Delay, No Cycle Latency 1.8V to 5V I/O Voltages SPI-Compatible Serial I/O with Daisy-Chain Mode Internal Conversion Clock 16-Lead MSOP and 4mm × 3mm DFN Packages

16-Bit, 250ksps, Pseudo-Differential Unipolar SAR ADC with 94.7dB SNR Features:250ksps Throughput Rate±0.75LSB INL (Max)Guaranteed 16-Bit No Missing CodesLow Power: 3.4mW at 250ksps, 3.4μW at 250sps94.7dB SNR (Typ) at fIN = 2kHz–120dB THD (Typ) at fIN = 2kHzGuaranteed Operation to 125°C2.5V SupplyPseudo-Differential Unipolar Input Range: 0V to VREFVREF Input Range from 2.5V to 5.1VNo Pipeline Delay, No Cycle Latency1.8V to 5V I/O VoltagesSPI-Compatible Serial I/O with Daisy-Chain ModeInternal Conversion Clock16-Lead MSOP and 4mm × 3mm DFN Packages

Quad, 16-Bit, 400ksps/ch Differential SoftSpan ADC with Wide Input Common Mode Range Features: 400ksps per Channel Throughput Four Simultaneous Sampling Channels ±1.25LSB INL (Maximum) Guaranteed 16-Bit, No Missing Codes Differential, Wide Common Mode Range Inputs Per-Channel SoftSpan Input Ranges: ±4.096V, 0V to 4.096V, ±2.048V, 0V to 2.048V ±5V, 0V to 5V, ±2.5V, 0V to 2.5V 93.4dB Single-Conversion SNR (Typical) −114dB THD (Typical) at fIN = 2kHz 102dB CMRR (Typical) at fIN = 200Hz Rail-to-Rail Input Overdrive Tolerance Guaranteed Operation to 125°C Integrated Reference and Buffer (4.096V) SPI CMOS (1.8V to 5V) and LVDS Serial I/O Internal Conversion Clock, No Cycle Latency 81mW Power Dissipation (Typical) 32-Lead (5mm × 5mm) QFN Package

3Msps, 12-Bit Serial Sampling ADCs in TSOT Features: 12-Bit Resolution 1Msps/3Msps Sampling Rates Low Noise: 73dB SNR Low Power Dissipation: 6mW Single Supply 2.35V to 3.6V Operation No Data Latency Sleep Mode with 0.1μA Typical Supply Current Dedicated External Reference (TSOT23-8) 1V to 3.6V Digital Output Supply (TSOT23-8) SPI/MICROWIR Compatible Serial I/O Guaranteed Operation from –40°C to 125°C 6- and 8-Lead TSOT-23 Packages