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LTC2239CUH

Description
10-bit, 80msps low noise 3V adc
CategoryAnalog mixed-signal IC    converter   
File Size528KB,24 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Download Datasheet Parametric View All

LTC2239CUH Overview

10-bit, 80msps low noise 3V adc

LTC2239CUH 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 codeEAR99
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)0.0488%
Humidity sensitivity level1
Number of analog input channels1
Number of digits10
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 rate80 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
LTC2239
10-Bit, 80Msps
Low Noise 3V ADC
FEATURES
DESCRIPTIO
Sample Rate: 80Msps
Single 3V Supply (2.7V to 3.4V)
Low Power: 211mW
61.6dB SNR at 70MHz Input
85dB SFDR at 70MHz Input
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: LTC2253 (12-Bit), LTC2251 (10-Bit)
105Msps: LTC2252 (12-Bit), LTC2250 (10-Bit)
80Msps: LTC2229 (12-Bit), LTC2239 (10-Bit)
65Msps: LTC2228 (12-Bit), LTC2238 (10-Bit)
40Msps: LTC2227 (12-Bit), LTC2237 (10-Bit)
25Msps: LTC2226 (12-Bit), LTC2236 (10-Bit)
10Msps: LTC2225 (12-Bit)
32-Pin (5mm
×
5mm) QFN Package
The LTC
®
2239 is a 10-bit 80Msps, low power 3V A/D
converter designed for digitizing high frequency, wide
dynamic range signals. The LTC2239 is perfect for de-
manding imaging and communications applications with
AC performance that includes 61.6dB SNR and 85dB
SFDR for signals well beyond the Nyquist frequency.
DC specs include
±0.1LSB
INL (typ),
±0.1LSB
DNL (typ)
and
±0.5LSB
INL,
±0.5LSB
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 3.6V
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.
APPLICATIO S
Wireless and Wired Broadband Communication
Imaging Systems
Ultrasound
Spectral Analysis
Portable Instrumentation
TYPICAL APPLICATIO
REFH
REFL
FLEXIBLE
REFERENCE
OV
DD
SNR (dBFS)
+
ANALOG
INPUT
INPUT
S/H
10-BIT
PIPELINED
ADC CORE
CORRECTION
LOGIC
OUTPUT
DRIVERS
D9
D0
OGND
CLOCK/DUTY
CYCLE
CONTROL
2239 TA01
CLK
U
SNR vs Input Frequency,
–1dB, 2V Range
65
64
63
62
61
60
59
58
57
56
55
0
100
50
150
INPUT FREQUENCY (MHz)
200
2239 G09
U
U
2239fa
1
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