LTC2246HLU#PBF

LTC2246HLU#PBF Datasheet

LTC2246H 14-Bit , LTC2226H 12-Bit<br>• 32-Pin 5mm x 5mm TQFP Package

Part	Datasheet
LTC2246HLU#PBF	LTC2246HLU#PBF (pdf)

PDF Datasheet Preview
• Sample Rate 25Msps • to 125°C Operation • Single 3V Supply 2.8V to 3.5V • Low Power 75mW • 74.5dB 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 LTC2246H 14-Bit , LTC2226H 12-Bit • 32-Pin 5mm x 5mm TQFP Package • Automotive • Industrial • Wireless and Wired Broadband Communication REFH REFL ANALOG INPUT FLEXIBLE REFERENCE INPUT S/H CLOCK/DUTY CYCLE CONTROL 14-BIT PIPELINED ADC CORE CORRECTION LOGIC LTC2246H 14-Bit, 25Msps 125°C ADC In TQFP The is a 14-bit 25Msps, low power 3V A/D converter designed for digitizing high frequency, wide dynamic range signals. The LTC2246H is perfect for demanding imaging and communications applications with AC performance that includes 74.5dB SNR and 90dB SFDR. DC specs include ±1LSB INL typ , ±0.5LSB DNL typ and no missing codes over temperature. The transition noise is a low 1LSBRMS. A single 3V supply allows low power operation. A separate output supply allows the outputs to drive 0.5V to 3.6V logic. A single-ended CLK input controls converter operation. An optional clock duty cycle stabilizer allows high performance at full speed for a wide range of clock duty cycles. , LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. OUTPUT DRIVERS OVDD D13 • • • D0 OGND 2246 TA01 INL ERROR LSB Typical INL, 2V Range 4096 8192 CODE 12288 16384 2246 TA01b 2246hf LTC2246H ABSOLUTE MAXIMUM RATINGS OVDD = VDD Notes 1, 2 Supply Voltage VDD Digital Output Ground Voltage OGND ........ to 1V Analog Input Voltage Note to VDD + 0.3V Digital Input to VDD + 0.3V Digital Output Voltage to OVDD + 0.3V Power Dissipation 1500mW Operating Temperature Range to 125°C Storage Temperature Range................... to 150°C PACKAGE/ORDER INFORMATION TOP VIEW 32 31 30 29 28 27 26 25 VDD VCM SENSE MODE OF D13 D12 D11 AIN+ 1 2 GND 3 REFH 4 REFL 5 GND 6 VDD 7 GND 8 24 D10 23 D9 22 D8 21 OVDD 20 OGND 19 D7 18 D6 17 D5 CLK SHDN OE D0 D1 D2 D3 D4

PDF Datasheet Preview

• Sample Rate 25Msps
• to 125°C Operation
• Single 3V Supply 2.8V to 3.5V
• Low Power 75mW
• 74.5dB 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

LTC2246H 14-Bit , LTC2226H 12-Bit
• 32-Pin 5mm x 5mm TQFP Package
• Automotive
• Industrial
• Wireless and Wired Broadband Communication

REFH REFL

ANALOG INPUT

FLEXIBLE REFERENCE

INPUT S/H

CLOCK/DUTY CYCLE

CONTROL
14-BIT PIPELINED ADC CORE

CORRECTION LOGIC

LTC2246H
14-Bit, 25Msps 125°C ADC In TQFP

The is a 14-bit 25Msps, low power 3V A/D converter designed for digitizing high frequency, wide dynamic range signals. The LTC2246H is perfect for demanding imaging and communications applications with AC performance that includes 74.5dB SNR and 90dB SFDR.

DC specs include ±1LSB INL typ , ±0.5LSB DNL typ and no missing codes over temperature. The transition noise is a low 1LSBRMS. A single 3V supply allows low power operation. A separate output supply allows the outputs to drive 0.5V to 3.6V logic.

A single-ended CLK input controls converter operation. An optional clock duty cycle stabilizer allows high performance at full speed for a wide range of clock duty cycles.
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners.

OUTPUT DRIVERS

OVDD

D13
•
•
• D0

OGND
2246 TA01

INL ERROR LSB

Typical INL, 2V Range
4096
8192 CODE
12288 16384
2246 TA01b
2246hf

LTC2246H

ABSOLUTE MAXIMUM RATINGS

OVDD = VDD Notes 1, 2

Supply Voltage VDD Digital Output Ground Voltage OGND ........ to 1V Analog Input Voltage Note to VDD + 0.3V Digital Input to VDD + 0.3V Digital Output Voltage to OVDD + 0.3V Power Dissipation 1500mW Operating Temperature Range to 125°C Storage Temperature Range................... to 150°C

PACKAGE/ORDER INFORMATION

TOP VIEW
32 31 30 29 28 27 26 25

VDD VCM SENSE MODE OF D13 D12 D11

AIN+ 1 2 GND 3 REFH 4 REFL 5 GND 6 VDD 7 GND 8
24 D10 23 D9 22 D8 21 OVDD 20 OGND 19 D7 18 D6 17 D5

CLK SHDN

OE D0 D1 D2 D3 D4

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Datasheet ID: LTC2246HLU#PBF 645746