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Linear Technology Electronic Components Datasheet

LTC2215 Datasheet

(LTC2215 / LTC2216) 80Msps/65Msps Low Noise ADC

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LTC2215 pdf
FEATURES
wwwn.daStaashmeeptl4eu.cRoamte: 80Msps/65Msps
n 81.5dBFS Noise Floor
n 100dB SFDR
n SFDR >95dB at 70MHz
n 85fsRMS Jitter
n 2.75VP-P Input Range
n 400MHz Full Power Bandwidth S/H
n Optional Internal Dither
n Optional Data Output Randomizer
n LVDS or CMOS Outputs
n Single 3.3V Supply
n Power Dissipation: 970mW/700mW
n Clock Duty Cycle Stabilizer
n Pin-Compatible with LTC2208, LTC2217
n 64-Pin (9mm × 9mm) QFN Package
APPLICATIONS
n Telecommunications
n Receivers
n Cellular Base Stations
n Spectrum Analysis
n Imaging Systems
n ATE
LTC2216/LTC2215
16-Bit, 80Msps/65Msps
Low Noise ADC
DESCRIPTION
The LTC®2216/LTC2215 are 80Msps/65Msps sampling 16-
bit A/D converters designed for digitizing high frequency,
wide dynamic range signals with input frequencies up to
400MHz. The input range of the ADC is fixed at 2.75VP-P.
The LTC2216/LTC2215 are perfect for demanding com-
munications applications, with AC performance that
includes 81.5dBFS noise floor and 100dB spurious free
dynamic range (SFDR). Ultra low jitter of 85fsRMS allows
undersampling of high input frequencies while maintaining
excellent noise performance. Maximum DC specs include
±3.5LSB INL, ±1LSB DNL (no missing codes).
The digital output can be either differential LVDS or
single-ended CMOS. There are two format options for the
CMOS outputs: a single bus running at the full data rate or
demultiplexed buses running at half data rate. A separate
output power supply allows the CMOS output swing to
range from 0.5V to 3.6V.
The ENC+ and ENCinputs may be driven differentially
or single-ended with a sine wave, PECL, LVDS, TTL or
CMOS inputs. An optional clock duty cycle stabilizer al-
lows high performance at full speed with a wide range of
clock duty cycles.
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
TYPICAL APPLICATION
3.3V
SENSE
VCM
2.2μF
1.575V
COMMON MODE
BIAS VOLTAGE
INTERNAL ADC
REFERENCE
GENERATOR
OVDD
AIN+
ANALOG
INPUT
AIN
+
S/H
AMP
16-BIT
PIPELINED
ADC CORE
CORRECTION
LOGIC AND
SHIFT REGISTER
OUTPUT
DRIVERS
CLOCK/DUTY
CYCLE
CONTROL
ENC + ENC
OGND
VDD
GND
SHDN DITH MODE LVDS RAND
ADC CONTROL INPUTS
0.5V TO 3.6V
1μF
OF
CLKOUT
D15
D0
CMOS
OR
LVDS
1μF 1μF
3.3V
1μF
22165 TA01
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
0
LTC2216: 64k Point FFT,
fIN = 4.9MHz, –1dBFS
10 20 30
FREQUENCY (MHz)
40
22165 TA01b
22165f
1


Linear Technology Electronic Components Datasheet

LTC2215 Datasheet

(LTC2215 / LTC2216) 80Msps/65Msps Low Noise ADC

No Preview Available !

LTC2215 pdf
LTC2216/LTC2215
ABSOLUTE MAXIMUM RATINGS
OVDD = VDD (Notes 1 and 2)
Supply Voltage (VDD)................................... –0.3V to 4V
www.DdaigtaitsahleeOt4uut.pcuomt Supply Voltage (OVDD).......... – 0.3V to 4V
Digital Output Ground Voltage (OGND)........ –0.3V to 1V
Analog Input Voltage (Note 3) ..... –0.3V to (VDD + 0.3V)
Digital Input Voltage .................... –0.3V to (VDD + 0.3V)
Digital Output Voltage................ –0.3V to (OVDD + 0.3V)
Power Dissipation.............................................2000mW
Operating Temperature Range
LTC2215C/LTC2216C ............................... 0°C to 70°C
LTC2215I/LTC2216I..............................–40°C to 85°C
Storage Temperature Range ..................–65°C to 150°C
PIN CONFIGURATION
TOP VIEW
SENSE 1
GND 2
VCM 3
GND 4
VDD 5
VDD 6
GND 7
AIN+ 8
AIN9
GND 10
GND 11
ENC+ 12
ENC13
GND 14
VDD 15
VDD 16
65
48 D11+/DA6
47 D11/DA5
46 D10+/DA4
45 D10/DA3
44 D9+/DA2
43 D9/DA1
42 D8+/DA0
41 D8/CLKOUTA
40 CLKOUT+/CLKOUTB
39 CLKOUT /OFB
38 D7+/DB15
37 D7/DB14
36 D6+/DB13
35 D6/DB12
34 D5+/DB11
33 D5/DB10
TJMAX = 150°C, θJA = 20°C/W
EXPOSED PAD (PIN 65) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
LTC2215CUP#PBF
LTC2215CUP#TRPBF
LTC2215UP
64-Lead (9mm × 9mm) Plastic QFN
LTC2215IUP#PBF
LTC2215IUP#TRPBF
LTC2215UP
64-Lead (9mm × 9mm) Plastic QFN
LTC2216CUP#PBF
LTC2216CUP#TRPBF
LTC2216UP
64-Lead (9mm × 9mm) Plastic QFN
LTC2216IUP#PBF
LTC2216IUP#TRPBF
LTC2216UP
64-Lead (9mm × 9mm) Plastic QFN
LEAD BASED FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
LTC2215CUP
LTC2215CUP#TR
LTC2215UP
64-Lead (9mm × 9mm) Plastic QFN
LTC2215IUP
LTC2215IUP#TR
LTC2215UP
64-Lead (9mm × 9mm) Plastic QFN
LTC2216CUP
LTC2216CUP#TR
LTC2216UP
64-Lead (9mm × 9mm) Plastic QFN
LTC2216IUP
LTC2216IUP#TR
LTC2216UP
64-Lead (9mm × 9mm) Plastic QFN
Consult LTC Marketing for parts specified with wider operating temperature ranges.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
TEMPERATURE RANGE
0°C to 70°C
–40°C to 85°C
0°C to 70°C
–40°C to 85°C
TEMPERATURE RANGE
0°C to 70°C
–40°C to 85°C
0°C to 70°C
–40°C to 85°C
22165f
2


Part Number LTC2215
Description (LTC2215 / LTC2216) 80Msps/65Msps Low Noise ADC
Maker Linear Technology
Total Page 30 Pages
PDF Download
LTC2215 pdf
LTC2215 Datasheet PDF
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