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Linear Technology Electronic Components Datasheet

LTC2207IUK-14 Datasheet

14-Bit ADCs

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Features
nn Sample Rate: 105Msps/80Msps
nn 77.3dBFS Noise Floor
nn 98dB SFDR
nn SFDR >82dB at 250MHz (1.5VP-P Input Range)
nn PGA Front End (2.25VP-P or 1.5VP-P Input Range)
nn 700MHz Full Power Bandwidth S/H
nn Optional Internal Dither
nn Optional Data Output Randomizer
nn Single 3.3V Supply
nn Power Dissipation: 947mW/762mW
nn Optional Clock Duty Cycle Stabilizer
nn Out-of-Range Indicator
nn Pin-Compatible Family
nn 105Msps: LTC2207 (16-Bit), LTC2207-14 (14-Bit)
nn 80Msps: LTC2206 (16-Bit), LTC2206-14 (14-Bit)
nn 65Msps: LTC2205 (16-Bit), LTC2205-14 (14-Bit)
nn 40Msps: LTC2204 (16-Bit)
nn 25Msps: LTC2203 (16-Bit) Single-Ended Clock
nn 10Msps: LTC2202 (16-Bit) Single-Ended Clock
nn 48-Pin 7mm × 7mm QFN Package
Applications
nn Telecommunications
nn Receivers
nn Cellular Base Stations
nn Spectrum Analysis
nn Imaging Systems
nn ATE
LTC2207-14/LTC2206-14
14-Bit, 105Msps/80Msps
ADCs
Description
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.
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners.
Typical Application
VCM
2.2µF
1.25V
COMMON MODE
BIAS VOLTAGE
3.3V
SENSE
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
2207614 TA01
For more information www.linear.com/LTC2207-14
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)
2207614 TA01b
220714614fd
1


Linear Technology Electronic Components Datasheet

LTC2207IUK-14 Datasheet

14-Bit 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
Storage Temperature Range................... –65°C to 150°C
Digital Output Supply Voltage (OVDD)........... –0.3V to 4V
Pin Configuration
TOP VIEW
SENSE 1
VCM 2
VDD 3
VDD 4
GND 5
AIN+ 6
AIN7
49
GND 8
ENC+ 9
ENC10
GND 11
VDD 12
36 OVDD
35 D9
34 D8
33 D7
32 D6
31 OGND
30 CLKOUT+
29 CLKOUT
28 D5
27 D4
26 D3
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 Information
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC2207CUK-14#PBF LTC2207CUK-14#TRPBF LTC2207UK-14
48-Lead (7mm × 7mm) Plastic Plastic QFN 0°C to 70°C
LTC2206CUK-14#PBF LTC2206CUK-14#TRPBF LTC2206UK-14
48-Lead (7mm × 7mm) Plastic Plastic QFN 0°C to 70°C
LTC2207IUK-14#PBF LTC2207IUK-14#TRPBF LTC2207UK-14
48-Lead (7mm × 7mm) Plastic Plastic QFN –40°C to 85°C
LTC2206IUK-14#PBF LTC2206IUK-14#TRPBF LTC2206UK-14
48-Lead (7mm × 7mm) Plastic Plastic QFN –40°C to 85°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
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/. Some packages are available in 500 unit reels through
designated sales channels with #TRMPBF suffix.
Converter Characteristics The l 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)
l
±0.4 ±1.5
LSB
Differential Linearity Error
Differential Analog Input
l
±0.1
±1
LSB
Offset Error
(Note 6)
l
±1 ±10.3
mV
Offset Drift
±10
µV/°C
Gain Error
External Reference
l
±0.2 ±2.3
%FS
Full-Scale Drift
Transition Noise
Internal Reference
External Reference
±30
ppm/°C
±15
ppm/°C
0.8
LSBRMS
220714614fd
2
For more information www.linear.com/LTC2207-14


Part Number LTC2207IUK-14
Description 14-Bit ADCs
Maker Linear Technology
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