參數(shù)資料
型號(hào): LTC2141CUP-12#TRPBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: ADC
英文描述: 2-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC64
封裝: 9 X 9 MM, LEAD FREE, PLASTIC, MO-220WNJR-5, QFN-64
文件頁(yè)數(shù): 1/36頁(yè)
文件大?。?/td> 1020K
代理商: LTC2141CUP-12#TRPBF
Electrical Specifications Subject to Change
1
21421012p
LTC2142-12/
LTC2141-12/LTC2140-12
TYPICAL APPLICATION
FEATURES
APPLICATIONS
DESCRIPTION
12-Bit, 65Msps/
40Msps/25Msps Low Power
Dual ADCs
n Communications
n Cellular Base Stations
n Software Defined Radios
n Portable Medical Imaging
n Multi-Channel Data Acquisition
n Nondestructive Testing
n 2-Channel Simultaneously Sampling ADC
n 70.8dB SNR
n 89dB SFDR
n Low Power: 92mW/65mW/48mW Total
46mW/33mW/24mW per Channel
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 Configuration
n 64-Pin (9mm
× 9mm) QFN Package
The LTC
2142-12/LTC2141-12/LTC2140-12 are 2-channel
simultaneous sampling 12-bit A/D converters designed
for digitizing high frequency, wide dynamic range signals.
They are perfect for demanding communications applica-
tions with AC performance that includes 70.8dB SNR and
89dB spurious free dynamic range (SFDR). Ultralow jitter
of 0.08psRMS allows undersampling of IF frequencies with
excellent noise performance.
DC specs include ±0.3LSB INL (typ), ±0.1LSB DNL (typ)
and no missing codes over temperature. The transition
noise is 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 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.
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.
2-Tone FFT, fIN = 70MHz and 69MHz
CMOS
OR
LVDS
OUTPUTS
1.8V
VDD
1.8V
OVDD
CLOCK
CONTROL
D1_11
D1_0
21421012 TA01a
CH 1
ANALOG
INPUT
OUTPUT
DRIVERS
GND
OGND
S/H
12-BIT
ADC CORE
CH 2
ANALOG
INPUT
S/H
12-BIT
ADC CORE
D2_11
D2_0
65MHz
CLOCK
FREQUENCY (MHz)
–100
–110
–120
–70
–60
–80
–90
AMPLITUDE
(dBFS) –50
–30
–40
–20
–10
0
21821012 TA01b
FREQUENCY (MHz)
21821012 TA01b
0
10
20
30
相關(guān)PDF資料
PDF描述
LTC2141CUP-12#PBF 2-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC64
LTC2140CUP-12#PBF 2-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC64
LTC2140IUP-12#PBF 2-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC64
LTC2140IUP-12#TRPBF 2-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC64
LTC2142CUP-12#PBF 2-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC64
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