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LTC2237IUH#TRPBF

Description
IC ADC 10BIT 40MSPS 3V 32-QFN
CategoryAnalog mixed-signal IC    converter   
File Size667KB,28 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Environmental Compliance
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LTC2237IUH#TRPBF Overview

IC ADC 10BIT 40MSPS 3V 32-QFN

LTC2237IUH#TRPBF Parametric

Parameter NameAttribute value
Brand NameLinear Technology
Is it Rohs certified?conform to
MakerLinear ( ADI )
Parts packaging codeQFN
package instructionHVQCCN, LCC32,.2SQ,20
Contacts32
Manufacturer packaging codeUH
Reach Compliance Codecompliant
ECCN codeEAR99
Maximum analog input voltage1 V
Minimum analog input voltage-1 V
Converter typeADC, PROPRIETARY METHOD
JESD-30 codeS-PQCC-N32
JESD-609 codee3
length5 mm
Maximum linear error (EL)0.0488%
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)260
power supply3 V
Certification statusNot Qualified
Sampling rate40 MHz
Sample and hold/Track and holdSAMPLE
Maximum seat height0.8 mm
Nominal supply voltage3 V
surface mountYES
technologyCMOS
Temperature levelINDUSTRIAL
Terminal surfaceMatte Tin (Sn)
Terminal formNO LEAD
Terminal pitch0.5 mm
Terminal locationQUAD
Maximum time at peak reflow temperature30
width5 mm
LTC2238/LTC2237/LTC2236
10-Bit, 65/40/25Msps
Low Noise 3V ADCs
DESCRIPTIO
The LTC
®
2238/LTC2237/LTC2236 are 10-bit 65Msps/
40Msps/25Msps, low power 3V A/D converters designed
for digitizing high frequency, wide dynamic range signals.
The LTC2238/LTC2237/LTC2236 are perfect for demand-
ing imaging and communications applications with AC
performance that includes 61.8dB SNR and 85dB SFDR
for signals at the Nyquist frequency.
DC specs include
±0.1LSB
INL (typ),
±0.05LSB
DNL (typ)
and
±0.5LSB
INL,
±0.5LSB
DNL over temperature. The
transition noise is a low 0.07LSB
RMS
.
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 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.
FEATURES
Sample Rate: 65Msps/40Msps/25Msps
Single 3V Supply (2.7V to 3.4V)
Low Power: 205mW/120mW/75mW
61.8dB SNR
85dB SFDR
No Missing Codes
Flexible Input: 1V
P-P
to 2V
P-P
Range
575MHz 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
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
SNR (dBFS)
10-BIT
PIPELINED
ADC CORE
OUTPUT
DRIVERS
D9
D0
OGND
CLOCK/DUTY
CYCLE
CONTROL
223876 TA01
CLK
U
U
U
LTC2238: SNR vs Input Frequency,
–1dB, 2V Range, 65Msps
62.5
61.5
60.5
59.5
58.5
57.5
0
100
50
150
INPUT FREQUENCY (MHz)
200
223876 G09
223876fa
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