參數(shù)資料
型號(hào)： LTC2262CUJ-12#TRPBF
廠商： LINEAR TECHNOLOGY CORP
元件分類： ADC
英文描述： 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC40
封裝： 6 X 6 MM, LEAD FREE, PLASTIC, QFN-40
文件頁(yè)數(shù)： 1/28頁(yè)
文件大小： 481K
代理商： LTC2262CUJ-12#TRPBF
LTC2262-12
1
226212fa
TYPICAL APPLICATION
FEATURES
APPLICATIONS
DESCRIPTION
12-Bit, 150Msps
Ultralow Power 1.8V ADC
n Communications
n Cellular Base Stations
n Software Dened Radios
n Portable Medical Imaging
n Multi-Channel Data Acquisition
n Nondestructive Testing
n 70.5dB SNR
n 88dB SFDR
n Low Power: 146mW
n Single 1.8V Supply
n CMOS, DDR CMOS or DDR LVDS Outputs
n Selectable Input Ranges: 1VP-P to 2VP-P
n 800MHz Full-Power Bandwidth S/H
n Optional Data Output Randomizer
n Optional Clock Duty Cycle Stabilizer
n Shutdown and Nap Modes
n Serial SPI Port for Conguration
n Pin Compatible 14-Bit and 12-Bit Versions
n 40-Pin (6mm × 6mm) QFN Package
The LTC
2262-12 is a sampling 12-bit A/D converter
designed for digitizing high frequency, wide dynamic range
signals. The LTC2262-12 is perfect for demanding commu-
nications applications with AC performance that includes
70.5dB SNR and 88dB spurious free dynamic range (SFDR).
Ultralow jitter of 0.17psRMS allows undersampling of IF
frequencies with excellent noise performance.
DC specs include ±0.3LSB INL (typical), ±0.1LSB DNL
(typical) and no missing codes over temperature. The
transition noise is a low 0.3LSBRMS.
The digital outputs can be either full rate CMOS, double
data rate CMOS, or double data rate LVDS. A separate
output power supply allows the CMOS output swing to
range from 1.2V to 1.8V.
The ENC+ and ENC– inputs 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 for a wide range of
clock duty cycles.
LTC2262-12 2-Tone FFT,
fIN = 68MHz and 69MHz
–
+
INPUT
S/H
CORRECTION
LOGIC
OUTPUT
DRIVERS
12-BIT
PIPELINED
ADC CORE
CLOCK/DUTY
CYCLE
CONTROL
D11
D0
150MHz
CLOCK
ANALOG
INPUT
226212 TA01a
CMOS
OR
LVDS
1.2V
TO 1.8V
1.8V
VDD
OVDD
OGND
GND
FREQUENCY (MHz)
0
–100
–110
–120
–70
–60
–80
–90
AMPLITUDE
(dBFS) –50
–30
–40
–20
–10
0
10
20
30
40
50
70
60
226212 TA01b
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.
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