参数资料
型号: LTC2290CUP#PBF
厂商: Linear Technology
文件页数: 1/24页
文件大小: 0K
描述: IC ADC DUAL 12BIT 10MSPS 64QFN
标准包装: 40
位数: 12
采样率(每秒): 10M
数据接口: 并联
转换器数目: 2
功率耗散(最大): 138mW
电压电源: 单电源
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 64-WFQFN 裸露焊盘
供应商设备封装: 64-QFN(9x9)
包装: 管件
输入数目和类型: 2 个单端,双极; 2 个差分, 双极
产品目录页面: 1349 (CN2011-ZH PDF)
LTC2290
1
2290fa
, LTC and LT are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
FEATURES
DESCRIPTIO
U
APPLICATIO S
U
TYPICAL APPLICATIO
U
Integrated Dual 12-Bit ADCs
Sample Rate: 10Msps
Single 3V Supply (2.7V to 3.4V)
Low Power: 120mW
71.3dB SNR
90dB SFDR
110dB Channel Isolation
Multiplexed or Separate Data Bus
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
105Msps: LTC2282 (12-Bit), LTC2284 (14-Bit)
80Msps: LTC2294 (12-Bit), LTC2299 (14-Bit)
65Msps: LTC2293 (12-Bit), LTC2298 (14-Bit)
40Msps: LTC2292 (12-Bit), LTC2297 (14-Bit)
25Msps: LTC2291 (12-Bit), LTC2296 (14-Bit)
10Msps: LTC2290 (12-Bit), LTC2295 (14-Bit)
64-Pin (9mm
× 9mm) QFN Package
Dual 12-Bit, 10Msps
Low Power 3V ADC
The LTC
2290 is a 12-bit 10Msps, low power dual 3V
A/D converter designed for digitizing high frequency, wide
dynamic range signals. The LTC2290 is perfect for
demanding imaging and communications applications
with AC performance that includes 71.3dB SNR and 90dB
SFDR for signals well beyond the Nyquist frequency.
DC specs include
±0.3LSB INL (typ), ±0.15LSB DNL (typ)
and no missing codes over temperature. The transition
noise is a low 0.25LSBRMS.
A single 3V supply allows low power operation. A separate
output supply allows the outputs to drive 0.5V to 3.6V
logic. An optional multiplexer allows both channels to
share a digital output bus.
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.
Typical INL, 2V Range
Wireless and Wired Broadband Communication
Imaging Systems
Spectral Analysis
Portable Instrumentation
CODE
0
–1.0
INL
ERROR
(LSB)
–0.8
–0.4
–0.2
0
1.0
0.4
1024
2048
2290 TA01
–0.6
0.6
0.8
0.2
3072
4096
+
INPUT
S/H
ANALOG
INPUT A
ANALOG
INPUT B
CLK A
CLK B
12-BIT
PIPELINED
ADC CORE
CLOCK/DUTY CYCLE
CONTROL
OUTPUT
DRIVERS
OVDD
OGND
MUX
D11A
D0A
OVDD
OGND
2295 TA01
D11B
D0B
+
OUTPUT
DRIVERS
INPUT
S/H
12-BIT
PIPELINED
ADC CORE
CLOCK/DUTY CYCLE
CONTROL
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