参数资料
型号: LTC2229IUH#PBF
厂商: Linear Technology
文件页数: 1/24页
文件大小: 0K
描述: IC ADC 12-BIT 80MSPS 3V 32-QFN
标准包装: 73
位数: 12
采样率(每秒): 80M
数据接口: 并联
转换器数目: 1
功率耗散(最大): 246mW
电压电源: 单电源
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 32-WFQFN 裸露焊盘
供应商设备封装: 32-QFN 裸露焊盘(5x5)
包装: 管件
输入数目和类型: 1 个单端,双极; 1 个差分,双极
LTC2229
1
2229fa
FEATURES
DESCRIPTIO
U
TYPICAL APPLICATIO
U
Sample Rate: 80Msps
Single 3V Supply (2.7V to 3.4V)
Low Power: 211mW
70.6dB SNR at 70MHz Input
90dB SFDR at 70MHz Input
No Missing Codes
Flexible Input: 1VP-P to 2VP-P Range
575MHz Full Power Bandwidth S/H
Clock Duty Cycle Stabilizer
Shutdown and Nap Modes
Pin Compatible Family
125Msps: LTC2253 (12-Bit), LTC2255 (14-Bit)
105Msps: LTC2252 (12-Bit), LTC2254 (14-Bit)
80Msps: LTC2229 (12-Bit), LTC2249 (14-Bit)
65Msps: LTC2228 (12-Bit), LTC2248 (14-Bit)
40Msps: LTC2227 (12-Bit), LTC2247 (14-Bit)
25Msps: LTC2226 (12-Bit), LTC2246 (14-Bit)
10Msps: LTC2225 (12-Bit), LTC2245 (14-Bit)
32-Pin (5mm
× 5mm) QFN Package
12-Bit, 80Msps
Low Power 3V ADC
The LTC
2229 is a 12-bit 80Msps, low power 3V A/D
converter designed for digitizing high frequency, wide
dynamic range signals. The LTC2229 is perfect for de-
manding imaging and communications applications with
AC performance that includes 70.6dB SNR and 90dB
SFDR for signals well beyond the Nyquist frequency.
DC specs include
±0.4LSB INL (typ), ±0.2LSB DNL (typ)
and no missing codes over temperature. The transition
noise is a low 0.3LSBRMS.
A single 3V supply allows low power operation. A separate
output supply allows the outputs to drive 0.5V to 3.6V
logic.
A single-ended CLK input controls converter operation. An
optional clock duty cycle stabilizer allows high perfor-
mance at full speed for a wide range of clock duty cycles.
SNR vs Input Frequency,
–1dB, 2V Range
APPLICATIO S
U
Wireless and Wired Broadband Communication
Imaging Systems
Ultrasound
Spectral Analysis
Portable Instrumentation
INPUT FREQUENCY (MHz)
0
65
SNR
(dBFS)
66
68
69
70
75
72
50
100
2229 G09
67
73
74
71
150
200
+
INPUT
S/H
CORRECTION
LOGIC
OUTPUT
DRIVERS
12-BIT
PIPELINED
ADC CORE
CLOCK/DUTY
CYCLE
CONTROL
FLEXIBLE
REFERENCE
D11
D0
CLK
REFH
REFL
ANALOG
INPUT
2229 TA01
OVDD
OGND
, LTC and LT are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
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