參數(shù)資料
型號: LTC2222CUK#TR
廠商: Linear Technology
文件頁數(shù): 1/28頁
文件大小: 0K
描述: IC ADC 12BIT 105MSPS SAMPL 48QFN
標(biāo)準(zhǔn)包裝: 2,000
位數(shù): 12
采樣率(每秒): 105M
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 535mW
電壓電源: 單電源
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 48-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 48-QFN-EP(7x7)
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 1 個單端,雙極; 1 個差分,雙極
LTC2222/LTC2223
1
22223fb
+
INPUT
S/H
CORRECTION
LOGIC
OUTPUT
DRIVERS
12-BIT
PIPELINED
ADC CORE
CLOCK/DUTY
CYCLE
CONTROL
FLEXIBLE
REFERENCE
D11
D0
ENCODE
INPUT
REFH
REFL
ANALOG
INPUT
22223 TA01
0VDD
0.5V TO 3.6V
0GND
VDD
3.3V
INPUT FREQUENCY (MHz)
0
SFDR
(dBFS)
100
95
90
85
80
75
70
65
60
100
200
300
400
500
600
22223 TA01b
4th OR HIGHER
2nd or 3rd
TYPICAL APPLICATION
DESCRIPTION
12-Bit,105Msps/
80Msps ADCs
The LTC2222 and LTC2223 are 105Msps/80Msps, sam-
pling 12-bit A/D converters designed for digitizing high
frequency, wide dynamic range signals. The LTC2222/
LTC2223 are perfect for demanding communications
applications with AC performance that includes 68dB
SNR and 80dB spurious free dynamic range for signals
up to 170MHz. Ultralow jitter of 0.15psRMS allows
undersampling of IF frequencies with excellent noise
performance.
DC specs include ±0.3LSB INL (typ), ±0.2LSB DNL (typ)
and no missing codes over temperature. The transition
noise is a low 0.5LSBRMS.
A separate output power supply allows the outputs to
drive 0.5V to 3.6V logic.
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.
SFDR vs Input Frequency
FEATURES
APPLICATIONS
n Sample Rate: 105Msps/80Msps
n 68dB SNR up to 140MHz Input
n 80dB SFDR up to 170MHz Input
n 775MHz Full Power Bandwidth S/H
n Single 3.3V Supply
n Low Power Dissipation: 475mW/366mW
n Selectable Input Ranges: ±0.5V or ±1V
n No Missing Codes
n Optional Clock Duty Cycle Stabilizer
n Shutdown and Nap Modes
n Data Ready Output Clock
n Pin Compatible Family
135Msps: LTC2224 (12-Bit), LTC2234 (10-Bit)
105Msps: LTC2222 (12-Bit), LTC2232 (10-Bit)
80Msps: LTC2223 (12-Bit), LTC2233 (10-Bit)
n 48-Pin QFN Package
n Wireless and Wired Broadband Communication
n Cable Head-End Systems
n Power Amplier Linearization
n Communications Test Equipment
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