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參數資料
| 型號： | LTC2268IUJ-14#TRPBF |
| 廠商： | Linear Technology |
| 文件頁數： | 1/32頁 |
| 文件大小： | 0K |
| 描述： | IC ADC 14BIT 125MSPS DUAL 40QFN |
| 標準包裝： | 2,000 |
| 位數： | 14 |
| 采樣率（每秒）： | 125M |
| 數據接口： | Serial LVDS |
| 轉換器數目： | 2 |
| 功率耗散（最大）： | 364mW |
| 電壓電源： | 單電源 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 40-WFQFN 裸露焊盤 |
| 供應商設備封裝： | 40-QFN（6x6） |
| 包裝： | 帶卷 (TR) |
| 輸入數目和類型： | 2 Differential; 2 Single-Ended |
| 配用： | DC1371A-ND - BOARD USB DATA ACQUISITION HS |
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LTC2268-14/
LTC2267-14/LTC2266-14
1
22687614fa
Typical applicaTion
DescripTion
14-Bit, 125Msps/105Msps/
80Msps Low Power Dual ADCs
TheLTC2268-14/LTC2267-14/LTC2266-14are2-channel,
simultaneous sampling 14-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 73.1dB SNR and
88dB spurious free dynamic range (SFDR). Ultralow jitter
of 0.15psRMSallowsundersamplingofIFfrequencieswith
excellent noise performance.
DC specs include
±1LSB INL (typ), ±0.3LSB DNL (typ)
and no missing codes over temperature. The transition
noise is a low 1.2LSBRMS.
The digital outputs are serial LVDS to minimize the num-
ber of data lines. Each channel outputs two bits at a time
(2-lane mode). At lower sampling rates there is a one bit
per channel option (1-lane mode). The LVDS drivers have
optional internal termination and adjustable output levels
to ensure clean signal integrity.
The ENC+ and ENC– inputs may be driven differentially
or single-ended with a sine wave, PECL, LVDS, TTL, or
CMOS inputs. An internal clock duty cycle stabilizer al-
lows high performance at full speed for a wide range of
clock duty cycles.
FeaTures
applicaTions
n
2-Channel Simultaneous Sampling ADC
n
73.1dB SNR
n
88dB SFDR
n
Low Power: 299mW/243mW/203mW Total
n
150mW/121mW/101mW Per Channel
n
Single 1.8V Supply
n
Serial LVDS Outputs: 1 or 2 Bits Per Channel
n
Selectable Input Ranges: 1VP-P to 2VP-P
n
800MHz Full Power Bandwidth S/H
n
Shutdown and Nap Modes
n
Serial SPI Port for Configuration
n
Pin Compatible 14-Bit and 12-Bit Versions
n
40-Pin (6mm
× 6mm) QFN Package
n
Communications
n
Cellular Base Stations
n
Software Defined Radios
n
Portable Medical Imaging
n
Multichannel Data Acquisition
n
Nondestructive Testing
LTC2268-14, 125Msps,
2-Tone FFT, fIN = 70MHz and 75MHz
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.
CH.1
ANALOG
INPUT
CH.2
ANALOG
INPUT
ENCODE
INPUT
226814 TA01
GND
OGND
14-BIT
ADC CORE
14-BIT
ADC CORE
PLL
DATA
SERIALIZER
SERIALIZED
LVDS
OUTPUTS
1.8V
VDD
OVDD
OUT1A
OUT1B
OUT2A
OUT2B
DATA
CLOCK
OUT
FRAME
S/H
FREQUENCY (MHz)
0
–100
–110
–120
–70
–60
–80
–90
AMPLITUDE
(dBFS) –50
–30
–40
–20
–10
0
10
20
30
40
50
60
226814 TA01b
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| LTC2269CUK#PBF | 制造商:Linear Technology 功能描述:ADC Single 20Msps 16-bit Parallel/Serial (SPI)/LVDS 48-Pin QFN EP 制造商:Linear Technology 功能描述:IC ADC 16BIT 20MSPS 48-QFN 制造商:Linear Technology 功能描述:ADC 16BIT 1.8V 20MSPS 48QF 制造商:Linear Technology 功能描述:ADC, 16BIT, 1.8V, 20MSPS, 48QFN 制造商:Linear Technology 功能描述:ADC, 16BIT, 20MSPS, PARALLEL, SERIAL, QFN-48; Resolution (Bits):16bit; Sampling Rate:20MSPS; Supply Voltage Type:Single; Supply Voltage Min:1.7V; Supply Voltage Max:1.9V; Supply Current:48.9mA; Digital IC Case Style:QFN; DNL:0.2LSB ;RoHS Compliant: Yes |
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| LTC2269IUK#PBF | 制造商:Linear Technology 功能描述:ADC Single 20Msps 16-bit Parallel/Serial (SPI)/LVDS 48-Pin QFN EP 制造商:Linear Technology 功能描述:IC ADC 16BIT 20MSPS 48-QFN 制造商:Linear Technology 功能描述:ADC 16BIT 1.8V 20MSPS 48QF 制造商:Linear Technology 功能描述:ADC, 16BIT, 1.8V, 20MSPS, 48QFN 制造商:Linear Technology 功能描述:ADC, 16BIT, 20MSPS, PARALLEL, SERIAL, QFN-48; Resolution (Bits):16bit; Sampling Rate:20MSPS; Supply Voltage Type:Single; Supply Voltage Min:1.7V; Supply Voltage Max:1.9V; Supply Current:48.9mA; Digital IC Case Style:QFN; DNL:0.2LSB ;RoHS Compliant: Yes |
| LTC2269IUK#TRPBF | 制造商:Linear Technology 功能描述:ADC Single 20Msps 16-bit Parallel/Serial (SPI)/LVDS 48-Pin QFN EP T/R 制造商:Linear Technology 功能描述:IC ADC 16BIT 20MSPS 48-QFN |
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