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LTC2251IUH#TR

Description
LTC2251 - 10-Bit, 125Msps Low Noise 3V ADCs; Package: QFN; Pins: 32; Temperature Range: -40°C to 85°C
CategoryAnalog mixed-signal IC    converter   
File Size588KB,24 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Download Datasheet Parametric Compare View All

LTC2251IUH#TR Overview

LTC2251 - 10-Bit, 125Msps Low Noise 3V ADCs; Package: QFN; Pins: 32; Temperature Range: -40°C to 85°C

LTC2251IUH#TR Parametric

Parameter NameAttribute value
Brand NameLinear Technology
Is it Rohs certified?incompatible
MakerLinear ( ADI )
Parts packaging codeQFN
package instructionHVQCCN, LCC32,.2SQ,20
Contacts32
Manufacturer packaging codeUH
Reach Compliance Code_compli
ECCN code3A991.C.1
Maximum analog input voltage1 V
Minimum analog input voltage-1 V
Converter typeADC, PROPRIETARY METHOD
JESD-30 codeS-PQCC-N32
JESD-609 codee0
length5 mm
Maximum linear error (EL)0.0586%
Humidity sensitivity level1
Number of analog input channels1
Number of digits10
Number of functions1
Number of terminals32
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Output bit codeOFFSET BINARY, 2\'S COMPLEMENT BINARY
Output formatPARALLEL, WORD
Package body materialPLASTIC/EPOXY
encapsulated codeHVQCCN
Encapsulate equivalent codeLCC32,.2SQ,20
Package shapeSQUARE
Package formCHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)235
power supply3 V
Certification statusNot Qualified
Sampling rate125 MHz
Sample and hold/Track and holdSAMPLE
Maximum seat height0.8 mm
Nominal supply voltage3 V
surface mountYES
technologyCMOS
Temperature levelINDUSTRIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formNO LEAD
Terminal pitch0.5 mm
Terminal locationQUAD
Maximum time at peak reflow temperature20
width5 mm
LTC2251/LTC2250
10-Bit, 125/105Msps
Low Noise 3V ADCs
FEATURES
DESCRIPTIO
Sample Rate: 125Msps/105Msps
Single 3V Supply (2.85V to 3.4V)
Low Power: 395mW/320mW
61.6dB SNR
85dB SFDR
No Missing Codes
Flexible Input: 1V
P-P
to 2V
P-P
Range
640MHz Full Power Bandwidth S/H
Clock Duty Cycle Stabilizer
Shutdown and Nap Modes
Pin Compatible Family:
125Msps: LTC2251 (10-Bit), LTC2253 (12-Bit)
105Msps: LTC2250 (10-Bit), LTC2252 (12-Bit)
80Msps: LTC2239 (10-Bit), LTC2229 (12-Bit)
65Msps: LTC2238 (10-Bit), LTC2228 (12-Bit)
40Msps: LTC2237 (10-Bit), LTC2227 (12-Bit)
25Msps: LTC2236 (10-Bit), LTC2226 (12-Bit)
32-Pin (5mm
×
5mm) QFN Package
The LTC
®
2251/LTC2250 are 10-bit 125Msps/105Msps,
low noise 3V A/D converters designed for digitizing high
frequency, wide dynamic range signals. The LTC2251/
LTC2250 are perfect for demanding imaging and commu-
nications applications with AC performance that includes
61.6dB SNR and 85dB SFDR for signals at the Nyquist
frequency.
DC specs include
±0.1LSB
INL (typ),
±0.05LSB
DNL (typ)
and
±0.6LSB
INL,
±0.6LSB
DNL over temperature. The
transition noise is a low 0.08LSB
RMS
.
A single 3V supply allows low power operation. A separate
output supply allows the outputs to drive 0.5V to 3.3V
logic.
A single-ended CLK input controls converter operation. An
optional clock duty cycle stabilizer allows high perfor-
mance at full speed for a wide range of clock duty cycles.
, LTC and LT are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
APPLICATIO S
Wireless and Wired Broadband Communication
Imaging Systems
Ultrasound
Spectral Analysis
Portable Instrumentation
TYPICAL APPLICATIO
REFH
REFL
FLEXIBLE
REFERENCE
OV
DD
+
ANALOG
INPUT
INPUT
S/H
SNR (dBFS)
10-BIT
PIPELINED
ADC CORE
CORRECTION
LOGIC
OUTPUT
DRIVERS
D9
D0
OGND
CLOCK/DUTY
CYCLE
CONTROL
22510 TA01
CLK
22510fa
U
LTC2251: SNR vs Input Frequency,
–1dB, 2V Range, 125Msps
65
64
63
62
61
60
59
58
57
56
55
0
50
100 150 200 250 300 350
22510 G09
INPUT FREQUENCY (MHz)
U
U
1

LTC2251IUH#TR Related Products

LTC2251IUH#TR LTC2250CUH#TR LTC2250IUH#TR LTC2251CUH#TR
Description LTC2251 - 10-Bit, 125Msps Low Noise 3V ADCs; Package: QFN; Pins: 32; Temperature Range: -40°C to 85°C LTC2250 - 10-Bit, 105Msps Low Noise 3V ADCs; Package: QFN; Pins: 32; Temperature Range: 0°C to 70°C LTC2250 - 10-Bit, 105Msps Low Noise 3V ADCs; Package: QFN; Pins: 32; Temperature Range: -40°C to 85°C LTC2251 - 10-Bit, 125Msps Low Noise 3V ADCs; Package: QFN; Pins: 32; Temperature Range: 0°C to 70°C
Brand Name Linear Technology Linear Technology Linear Technology Linear Technology
Is it Rohs certified? incompatible incompatible incompatible incompatible
Maker Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI )
Parts packaging code QFN QFN QFN QFN
package instruction HVQCCN, LCC32,.2SQ,20 HVQCCN, LCC32,.2SQ,20 HVQCCN, LCC32,.2SQ,20 HVQCCN, LCC32,.2SQ,20
Contacts 32 32 32 32
Manufacturer packaging code UH UH UH UH
Reach Compliance Code _compli _compli _compli _compli
ECCN code 3A991.C.1 3A991.C.1 3A991.C.1 3A991.C.1
Maximum analog input voltage 1 V 1 V 1 V 1 V
Minimum analog input voltage -1 V -1 V -1 V -1 V
Converter type ADC, PROPRIETARY METHOD ADC, PROPRIETARY METHOD ADC, PROPRIETARY METHOD ADC, PROPRIETARY METHOD
JESD-30 code S-PQCC-N32 S-PQCC-N32 S-PQCC-N32 S-PQCC-N32
JESD-609 code e0 e0 e0 e0
length 5 mm 5 mm 5 mm 5 mm
Maximum linear error (EL) 0.0586% 0.0586% 0.0586% 0.0586%
Humidity sensitivity level 1 1 1 1
Number of analog input channels 1 1 1 1
Number of digits 10 10 10 10
Number of functions 1 1 1 1
Number of terminals 32 32 32 32
Maximum operating temperature 85 °C 70 °C 85 °C 70 °C
Output bit code OFFSET BINARY, 2\'S COMPLEMENT BINARY OFFSET BINARY, 2\'S COMPLEMENT BINARY OFFSET BINARY, 2\'S COMPLEMENT BINARY OFFSET BINARY, 2\'S COMPLEMENT BINARY
Output format PARALLEL, WORD PARALLEL, WORD PARALLEL, WORD PARALLEL, WORD
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code HVQCCN HVQCCN HVQCCN HVQCCN
Encapsulate equivalent code LCC32,.2SQ,20 LCC32,.2SQ,20 LCC32,.2SQ,20 LCC32,.2SQ,20
Package shape SQUARE SQUARE SQUARE SQUARE
Package form CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius) 235 235 235 235
power supply 3 V 3 V 3 V 3 V
Certification status Not Qualified Not Qualified Not Qualified Not Qualified
Sampling rate 125 MHz 105 MHz 105 MHz 125 MHz
Sample and hold/Track and hold SAMPLE SAMPLE SAMPLE SAMPLE
Maximum seat height 0.8 mm 0.8 mm 0.8 mm 0.8 mm
Nominal supply voltage 3 V 3 V 3 V 3 V
surface mount YES YES YES YES
technology CMOS CMOS CMOS CMOS
Temperature level INDUSTRIAL COMMERCIAL INDUSTRIAL COMMERCIAL
Terminal surface Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb)
Terminal form NO LEAD NO LEAD NO LEAD NO LEAD
Terminal pitch 0.5 mm 0.5 mm 0.5 mm 0.5 mm
Terminal location QUAD QUAD QUAD QUAD
Maximum time at peak reflow temperature 20 20 20 20
width 5 mm 5 mm 5 mm 5 mm
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