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LTC2298IUP#TRPBF

Description
2-Channel Dual ADC Pipelined 65Msps 14-bit Parallel 64-Pin QFN EP T/R
File Size670KB,28 Pages
ManufacturerADI
Websitehttps://www.analog.com
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LTC2298IUP#TRPBF Overview

2-Channel Dual ADC Pipelined 65Msps 14-bit Parallel 64-Pin QFN EP T/R

LTC2298IUP#TRPBF Parametric

Parameter NameAttribute value
EU restricts the use of certain hazardous substancesCompliant
ECCN (US)3A991.c.3
Part StatusActive
HTS8542.39.00.01
Converter TypeGeneral Purpose
ArchitecturePipelined
Resolution14bit
Number of ADCs2
Number of Input Channels2
Sampling Rate65Msps
Digital Interface TypeParallel
Input TypeVoltage
Input Signal TypeSingle-Ended|Differential
Voltage ReferenceInternal|External
Polarity of Input VoltageBipolar
Voltage Supply SourceSingle
Input Voltage±0.5V/±1V
Minimum Single Supply Voltage (V)2.7
Typical Single Supply Voltage (V)3
Maximum Single Supply Voltage (V)3.4
Typical Power Dissipation (mW)400
Maximum Power Dissipation (mW)450
Integral Nonlinearity Error±5LSB
Full Scale Error±2.5%FSR
Signal to Noise Ratio74.3dB(Typ)
No Missing Codes (bit)14
Sample and HoldYes
Single-Ended InputYes
Digital Supply SupportNo
Minimum Operating Temperature (°C)-40
Maximum Operating Temperature (°C)85
PackagingTape and Reel
Supplier Temperature GradeIndustrial
Pin Count64
Standard Package NameQFN
Supplier PackageQFN EP
MountingSurface Mount
Package Height0.75(Max)
Package Length9
Package Width9
PCB changed64
Lead ShapeNo Lead
LTC2298/LTC2297/LTC2296
Dual 14-Bit, 65/40/25Msps
Low Power 3V ADCs
DESCRIPTIO
The LTC
®
2298/LTC2297/LTC2296 are 14-bit 65Msps/
40Msps/25Msps, low power dual 3V A/D converters de-
signed for digitizing high frequency, wide dynamic range
signals. The LTC2298/LTC2297/LTC2296 are perfect for
demanding imaging and communications applications
with AC performance that includes 74.3dB SNR and 90dB
SFDR for signals at the Nyquist frequency.
DC specs include
±1.2LSB
INL (typ),
±0.5LSB
DNL (typ)
and no missing codes over temperature. The transition
noise is a low 1LSB
RMS
.
A single 3V supply allows low power operation. A separate
output supply allows the outputs to drive 0.5V to 3.6V
logic. An optional multiplexer allows both channels to
share a digital output bus.
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
Integrated Dual 14-Bit ADCs
Sample Rate: 65Msps/40Msps/25Msps
Single 3V Supply (2.7V to 3.4V)
Low Power: 400mW/235mW/150mW
74.3dB SNR
90dB SFDR
110dB Channel Isolation at 100MHz
Multiplexed or Separate Data Bus
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
105Msps: LTC2282 (12-Bit), LTC2284 (14-Bit)
80Msps: LTC2294 (12-Bit), LTC2299 (14-Bit)
65Msps: LTC2293 (12-Bit), LTC2298 (14-Bit)
40Msps: LTC2292 (12-Bit), LTC2297 (14-Bit)
25Msps: LTC2291 (12-Bit), LTC2296 (14-Bit)
10Msps: LTC2290 (12-Bit), LTC2295 (14-Bit)
64-Pin (9mm
×
9mm) QFN Package
APPLICATIO S
Wireless and Wired Broadband Communication
Imaging Systems
Spectral Analysis
Portable Instrumentation
TYPICAL APPLICATIO
+
ANALOG
INPUT A
INPUT
S/H
OV
DD
14-BIT
PIPELINED
ADC CORE
OUTPUT
DRIVERS
D13A
D0A
OGND
SNR (dBFS)
CLK A
CLOCK/DUTY CYCLE
CONTROL
MUX
CLOCK/DUTY CYCLE
CONTROL
CLK B
OV
DD
+
ANALOG
INPUT B
INPUT
S/H
14-BIT
PIPELINED
ADC CORE
OUTPUT
DRIVERS
D13B
D0B
OGND
229876 TA01
U
U
U
LTC2298: SNR vs Input Frequency,
–1dB, 2V Range, 65Msps
75
74
73
72
71
70
0
100
50
150
INPUT FREQUENCY (MHz)
200
229876 TA01b
229876fa
1

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Description 2-Channel Dual ADC Pipelined 65Msps 14-bit Parallel 64-Pin QFN EP T/R 2-Channel Dual ADC Pipelined 65Msps 14-bit Parallel 64-Pin QFN EP T/R 2-Channel Dual ADC Pipelined 65Msps 14-bit Parallel 64-Pin QFN EP Tube
EU restricts the use of certain hazardous substances Compliant Compliant Compliant
ECCN (US) 3A991.c.3 3A991.c.3 3A991c.3.
Part Status Active Active Active
HTS 8542.39.00.01 8542.39.00.01 8542.39.00.01
Converter Type General Purpose General Purpose General Purpose
Architecture Pipelined Pipelined Pipelined
Resolution 14bit 14bit 14bit
Number of ADCs 2 2 2
Number of Input Channels 2 2 2
Sampling Rate 65Msps 65Msps 65Msps
Digital Interface Type Parallel Parallel Parallel
Input Type Voltage Voltage Voltage
Input Signal Type Single-Ended|Differential Differential|Single-Ended Single-Ended|Differential
Voltage Reference Internal|External External|Internal Internal|External
Polarity of Input Voltage Bipolar Bipolar Bipolar
Voltage Supply Source Single Single Single
Input Voltage ±0.5V/±1V ±0.5V/±1V ±0.5V/±1V
Minimum Single Supply Voltage (V) 2.7 2.7 2.7
Typical Single Supply Voltage (V) 3 3 3
Maximum Single Supply Voltage (V) 3.4 3.4 3.4
Typical Power Dissipation (mW) 400 400 400
Maximum Power Dissipation (mW) 450 450 450
Integral Nonlinearity Error ±5LSB ±5LSB ±5LSB
Full Scale Error ±2.5%FSR ±2.5%FSR ±2.5%FSR
Signal to Noise Ratio 74.3dB(Typ) 74.3dB(Typ) 74.3dB(Typ)
No Missing Codes (bit) 14 14 14
Sample and Hold Yes Yes Yes
Single-Ended Input Yes Yes Yes
Digital Supply Support No No No
Minimum Operating Temperature (°C) -40 - -40
Maximum Operating Temperature (°C) 85 70 85
Packaging Tape and Reel Tape and Reel Tube
Supplier Temperature Grade Industrial Commercial Industrial
Pin Count 64 64 64
Standard Package Name QFN QFN QFN
Supplier Package QFN EP QFN EP QFN EP
Mounting Surface Mount Surface Mount Surface Mount
Package Height 0.75(Max) 0.75(Max) 0.75(Max)
Package Length 9 9 9
Package Width 9 9 9
PCB changed 64 64 64
Lead Shape No Lead No Lead No Lead
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