参数资料
型号: LTC2256IUJ-14#PBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: ADC
英文描述: 1-CH 14-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC40
封装: 6 X 6 MM, LEAD FREE, PLASTIC, QFN-40
文件页数: 1/32页
文件大小: 1546K
代理商: LTC2256IUJ-14#PBF
1
225814fa
LTC2258-14
LTC2257-14/LTC2256-14
TYPICAL APPLICATION
FEATURES
APPLICATIONS
DESCRIPTION
14-Bit, 65/40/25Msps
Ultralow Power 1.8V ADCs
n Communications
n Cellular Base Stations
n Software Dened Radios
n Portable Medical Imaging
n Multi-Channel Data Acquisition
n Nondestructive Testing
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.
n 74dB SNR
n 88dB SFDR
n Low Power: 81mW/49mW/35mW
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
2258-14/LTC2257-14/LTC2256-14 are sam-
pling 14-bit A/D converters designed for digitizing high
frequency, wide dynamic range signals. They are perfect
for demanding communications applications with AC
performance that includes 74dB 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 ±1LSB INL (typical), ±0.3LSB DNL (typi-
cal) and no missing codes over temperature. The transition
noise is a low 1.13LSBRMS.
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 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 for a wide range of
clock duty cycles.
LTC2258-14 2-Tone FFT,
fIN = 68MHz and 69MHz
+
INPUT
S/H
CORRECTION
LOGIC
OUTPUT
DRIVERS
14-BIT
PIPELINED
ADC CORE
CLOCK/DUTY
CYCLE
CONTROL
D13
D0
65MHz
CLOCK
ANALOG
INPUT
225814 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
225814 TA01b
相关PDF资料
PDF描述
LTC2257CUJ-14#PBF 1-CH 14-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC40
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相关代理商/技术参数
参数描述
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LTC2256UJ-14 制造商:LINER 制造商全称:Linear Technology 功能描述:14-Bit, 65/40/25Msps Ultralow Power 1.8V ADCs
LTC2257-12 制造商:LINER 制造商全称:Linear Technology 功能描述:12-Bit, 65/40/2 5Msps Ultralow Power 1.8V ADCs
LTC2257-14 制造商:LINER 制造商全称:Linear Technology 功能描述:14-Bit, 65/40/25Msps Ultralow Power 1.8V ADCs