參數(shù)資料
型號(hào): LTC2222IUK-11#TRPBF
廠商: Linear Technology
文件頁(yè)數(shù): 1/24頁(yè)
文件大小: 0K
描述: IC ADC 11BIT 105MSPS SAMPL 48QFN
標(biāo)準(zhǔn)包裝: 2,000
位數(shù): 11
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: -40°C ~ 85°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(gè)單端,雙極; 1 個(gè)差分,雙極
LTC2222-11
1
222211f
FEATURES
DESCRIPTIO
U
TYPICAL APPLICATIO
U
Sample Rate: 105Msps
65.4dB SNR up to 140MHz Input
80dB SFDR up to 150MHz Input
775MHz Full Power Bandwidth S/H
Single 3.3V Supply
Low Power Dissipation: 475mW
CMOS Outputs
Selectable Input Ranges:
±0.5V or ±1V
No Missing Codes
Optional Clock Duty Cycle Stabilizer
Shutdown and Nap Modes
Data Ready Output Clock
Pin Compatible Family
135Msps: LTC2224 (12-Bit), LTC2234 (10-Bit)
105Msps: LTC2222 (12-Bit), LTC2232 (10-Bit)
80Msps: LTC2223 (12-Bit), LTC2233 (10-Bit)
48-Pin 7mm
× 7mm QFN Package
Wireless and Wired Broadband Communication
Cable Head-End Systems
Power Amplifier Linearization
Communications Test Equipment
11-Bit, 105Msps ADC
The LTC
2222-11 is a 105Msps, sampling 11-bit A/D
converter designed for digitizing high frequency, wide
dynamic range signals. The LTC2222-11 is perfect for
demanding communications applications with AC perfor-
mance that includes 65.4dB SNR and 80dB spurious free
dynamic range for signals up to 150MHz. Ultralow jitter of
0.15psRMS allows undersampling of IF frequencies with
excellent noise performance.
DC specs include
±0.15LSB INL (typ), ±0.1LSB DNL (typ)
and no missing codes over temperature. The transition
noise is a low 0.25LSBRMS.
A separate output power supply allows the CMOS output
swing to range from 0.5V to 3.3V.
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 allows high
performance at full speed for a wide range of clock duty
cycles.
0.5V TO 3.3V
OVDD
OGND
+
INPUT
S/H
CORRECTION
LOGIC
OUTPUT
DRIVERS
11-BIT
PIPELINED
ADC CORE
CLOCK/DUTY
CYCLE
CONTROL
FLEXIBLE
REFERENCE
D10
D0
ENCODE
INPUT
REFH
REFL
ANALOG
INPUT
222211 TA01
3.3V
VDD
APPLICATIO S
U
SFDR vs Input Frequency
SFDR
(dBFS)
INPUT FREQUENCY (MHz)
0
600
500
400
222211 TA01b
100
200
300
95
90
85
80
75
70
65
60
55
50
4th OR HIGHER
2nd OR 3rd
, LTC and LT are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
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