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LTC2253CUH

Description
LTC2253 - 12-Bit, 125Msps Low Power 3V ADCs; Package: QFN; Pins: 32; Temperature Range: 0°C to 70°C
CategoryAnalog mixed-signal IC    converter   
File Size592KB,24 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Download Datasheet Parametric View All

LTC2253CUH Overview

LTC2253 - 12-Bit, 125Msps Low Power 3V ADCs; Package: QFN; Pins: 32; Temperature Range: 0°C to 70°C

LTC2253CUH 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 Codenot_compliant
ECCN code3A991.C.2
Is SamacsysN
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)0.0366%
Humidity sensitivity level1
Number of analog input channels1
Number of digits12
Number of functions1
Number of terminals32
Maximum operating temperature70 °C
Minimum operating temperature
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 levelCOMMERCIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formNO LEAD
Terminal pitch0.5 mm
Terminal locationQUAD
Maximum time at peak reflow temperature20
width5 mm
Base Number Matches1
LTC2253/LTC2252
12-Bit, 125/105Msps
Low Power 3V ADCs
FEATURES
DESCRIPTIO
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: 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: 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
The LTC
®
2253/LTC2252 are 12-bit 125Msps/105Msps,
low power 3V A/D converters designed for digitizing high
frequency, wide dynamic range signals. The LTC2253/
LTC2252 are perfect for demanding imaging and commu-
nications applications with AC performance that includes
70.1dB SNR and 85dB SFDR for signals at the Nyquist
frequency.
DC specs include
±0.3LSB
INL (typ),
±0.15LSB
DNL (typ)
and no missing codes over temperature. The transition
noise is a low 0.32LSB
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
CORRECTION
LOGIC
OUTPUT
DRIVERS
SNR (dBFS)
+
12-BIT
PIPELINED
ADC CORE
D11
D0
OGND
CLOCK/DUTY
CYCLE
CONTROL
22532 TA01
CLK
22532fa
U
LTC2253: SNR vs Input Frequency,
–1dB, 2V Range, 125Msps
73
72
71
70
69
68
67
66
65
0
50
150 200 250 300 350
22532 G09
INPUT FREQUENCY (MHz)
100
U
U
1
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