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Linear Technology Electronic Components Datasheet

LTC2206-14 Datasheet

105Msps/80Msps ADCs

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FEATURES
Sample Rate: 105Msps/80Msps
77.3dBFS Noise Floor
98dB SFDR
SFDR >82dB at 250MHz (1.5VP-P Input Range)
PGA Front End (2.25VP-P or 1.5VP-P Input Range)
700MHz Full Power Bandwidth S/H
Optional Internal Dither
Optional Data Output Randomizer
www.DaStianSghleee3t4.3UV.coSmupply
Power Dissipation: 947mW/762mW
Optional Clock Duty Cycle Stabilizer
Out-of-Range Indicator
Pin Compatible Family
105Msps: LTC2207 (16-Bit), LTC2207-14 (14-Bit)
80Msps: LTC2206 (16-Bit), LTC2206-14 (14-Bit)
65Msps: LTC2205 (16-Bit), LTC2205-14 (14-Bit)
40Msps: LTC2204 (16-Bit)
25Msps: LTC2203 (16-Bit) Single-Ended Clock
10Msps: LTC2202 (16-Bit) Single-Ended Clock
48-Pin 7mm × 7mm QFN Package
U
APPLICATIO S
Telecommunications
Receivers
Cellular Base Stations
Spectrum Analysis
Imaging Systems
ATE
LTC2207-14/LTC2206-14
14-Bit, 105Msps/80Msps
ADCs
DESCRIPTIO
The LTC®2207-14/LTC2206-14 are 105Msps/80Msps,
sampling 14-bit A/D converters designed for digitizing
high frequency, wide dynamic range signals up to input
frequencies of 700MHz. The input range of the ADC can
be optimized with the PGA front end.
The LTC2207-14/LTC2206-14 are perfect for demanding
communications applications, with AC performance that
includes 77.3dB SNR and 98dB spurious free dynamic
range (SFDR). Ultralow jitter of 80fsRMS allows under-
sampling of high input frequencies with excellent noise
performance. Maximum DC specs include ±1.5LSB INL,
±1LSB DNL (no missing codes) over temperature.
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. Patents Pending.
TYPICAL APPLICATIO
3.3V
SENSE
VCM
2.2µF
1.25V
COMMON MODE
BIAS VOLTAGE
INTERNAL ADC
REFERENCE
GENERATOR
OVDD
AIN+
ANALOG
INPUT
AIN
+
S/H
AMP
CLOCK/DUTY
CYCLE
CONTROL
ENC+ ENC
14-BIT
PIPELINED
ADC CORE
CORRECTION
LOGIC AND
SHIFT REGISTER
OUTPUT
DRIVERS
OGND
VDD
GND
PGA SHDN DITH MODE OE
ADC CONTROL INPUTS
RAND
0.5V TO 3.6V
0.1µF
OF
CLKOUT+
CLKOUT
D13
D0
0.1µF
0.1µF
3.3V
0.1µF
22076 TA01
LTC2207-14: 32K Point FFT,
fIN = 14.86MHz, –1dBFS,
PGA = 0, 105Msps
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
10 20 30 40 50
FREQUENCY (MHz)
22076 TA01b
220714614fa
1


Linear Technology Electronic Components Datasheet

LTC2206-14 Datasheet

105Msps/80Msps ADCs

No Preview Available !

LTC2207-14/LTC2206-14
ABSOLUTE MAXIMUM RATINGS
OVDD = VDD (Notes 1, 2)
Supply Voltage (VDD)................................... –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
LTC2207-14C/LTC2206-14C .................... 0°C to 70°C
LTC2207-14I/LTC2206-14I .................. –40°C to 85°C
wwwS.DtoartaagSheeTeet4mU.pceormature Range .................. –65°C to 150°C
Digital Output Supply Voltage (OVDD).......... –0.3V to 4V
PACKAGE/ORDER INFORMATION
TOP VIEW
SENSE 1
36 OVDD
VCM 2
35 D9
VDD 3
34 D8
VDD 4
33 D7
GND 5
32 D6
AIN+ 6
AIN7
49
31 OGND
30 CLKOUT+
GND 8
29 CLKOUT
ENC+ 9
28 D5
ENC10
27 D4
GND 11
26 D3
VDD 12
25 OVDD
UK PACKAGE
48-LEAD (7mm × 7mm) PLASTIC QFN
EXPOSED PAD IS GND (PIN 49)
MUST BE SOLDERED TO PCB BOARD
TJMAX = 125°C, θJA = 29°C/W
ORDER PART NUMBER UK PART MARKING*
LTC2207CUK-14
LTC2206CUK-14
LTC2207IUK-14
LTC2206IUK-14
LTC2207UK-14
LTC2206UK-14
LTC2207UK-14
LTC2206UK-14
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
Consult factory for parts specified with wider operating temperature ranges.
*The temperature grade is identified by a label on the shipping container.
CONVERTER CHARACTERISTICS The denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 4)
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
Integral Linearity Error
Differential Analog Input (Note 5)
±0.4 ±1.5
LSB
Differential Linearity Error
Differential Analog Input
±0.1 ±1
LSB
Offset Error
(Note 6)
±1 ±10.3
mV
Offset Drift
±10 μV/°C
Gain Error
External Reference
±0.2 ±2.3
%FS
Full-Scale Drift
Internal Reference
External Reference
±30 ppm/°C
±15 ppm/°C
Transition Noise
0.8 LSBRMS
2
220714614fa


Part Number LTC2206-14
Description 105Msps/80Msps ADCs
Maker Linear Technology
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