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| 型号： | LT6604CUFF-15#PBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PQCC34 |
| 封装： | 4 X 7 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, QFN-34 |
| 文件页数： | 1/16页 |
| 文件大小： | 203K |
| 代理商： | LT6604CUFF-15#PBF |
LT6604-15
1
660415fb
TYPICAL APPLICATION
DESCRIPTION
Dual Very Low Noise,
Differential Amplier and
15MHz Lowpass Filter
The LT6604-15 consists of two matched, fully differential
ampliers, each with a 4th order, 15MHz lowpass lter. The
xed frequency lowpass lter approximates a Chebyshev
response. By integrating a lter and a differential ampli-
er, distortion and noise are made exceptionally low. At
unity gain, the measured in band signal-to-noise ratio is
an impressive 76dB. At higher gains, the input referred
noise decreases, allowing the part to process smaller
input differential signals without signicantly degrading
the signal-to-noise ratio.
Gain and phase are highly matched between the two chan-
nels. Gain for each channel is independently programmed
using two external resistors. The LT6604-15 enables level
shifting by providing an adjustable output common mode
voltage, making it ideal for directly interfacing to ADCs.
The LT6604-15 is fully specied for 3V operation. The
differential design enables outstanding performance at
a 2VP-P signal level for a single 3V supply. See the back
page of this datasheet for a complete list of related single
and dual differential ampliers with integrated 2.5MHz to
20MHz lowpass lters.
Channel to Channel Gain Matching
FEATURES
APPLICATIONS
n Dual Differential Amplier with 15MHz Lowpass
Filters
4th Order Filters
Approximates Chebyshev Response
Guaranteed Phase and Gain Matching
Resistor-Programmable Differential Gain
n 76dB Signal-to-Noise (3V Supply, 2VP-P Output)
n Low Distortion, 2VP-P, 800Ω Load, VS = 3V
1MHz: 86dBc 2nd, 90dBc 3rd
10MHz: 63dBc 2nd, 69dBc 3rd
n Specied for Operation with 3V, 5V and ±5V Supplies
n Fully Differential Inputs and Outputs
n Adjustable Output Common Mode Voltage
n Small 4mm × 7mm × 0.75mm QFN Package
n Dual Differential ADC Driver Plus Filter
n Single-Ended to Differential Converter
n Matched, Dual, Differential Filter Stage
n Common Mode Translation of Differential Signals
n High Speed ADC Antialiasing and DAC Smoothing in
Wireless Infrastructure or Networking Applications
n High Speed Test and Measurement Equipment
n Medical Imaging
L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
536Ω
3V
+
–
+
–
660415 TA01
+
–
DOUT
AIN
LT6604-15
LTC22xx
+
–
536Ω
3V
–OUTA
+OUTA
–OUTB
+OUTB
+INA
VMIDB
VMIDA
+INB
VOCMA
VOCMB
–INA
–INB
V–
+
–
+
–
+
–
DOUT
AIN
+
–
50Ω
DUAL ADC
V+A
V+B
V+B
50Ω
18pF
0.01μF
–0.25
12
16
0.15
660415 TA01b
8
4
10
14
6
2
0
–0.2
–0.1
–0.15
0.05
–0.05
0.1
0.2
0
0.25
GAIN MATCH (dB)
50 TYPICAL UNITS
TA = 25°C
GAIN = 1
fIN = 15MHz
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT6604CUFF-2.5#PBF | 功能描述:IC AMP DIFF LN DUAL 34-QFN RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:2,500 系列:Excalibur™ 放大器类型:J-FET 电路数:1 输出类型:- 转换速率:45 V/µs 增益带宽积:10MHz -3db带宽:- 电流 - 输入偏压:20pA 电压 - 输入偏移:490µV 电流 - 电源:1.7mA 电流 - 输出 / 通道:48mA 电压 - 电源，单路/双路(±):4.5 V ~ 38 V，±2.25 V ~ 19 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 供应商设备封装:8-SOIC 包装:带卷 (TR) |
| LT6604CUFF-2.5#TRPBF | 功能描述:IC AMP DIFF LN DUAL 34-QFN RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:2,500 系列:Excalibur™ 放大器类型:J-FET 电路数:1 输出类型:- 转换速率:45 V/µs 增益带宽积:10MHz -3db带宽:- 电流 - 输入偏压:20pA 电压 - 输入偏移:490µV 电流 - 电源:1.7mA 电流 - 输出 / 通道:48mA 电压 - 电源，单路/双路(±):4.5 V ~ 38 V，±2.25 V ~ 19 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 供应商设备封装:8-SOIC 包装:带卷 (TR) |
| LT6604CUFF-2.5-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Very Low Noise, Differential Amplifi er and 2.5MHz Lowpass Filter |
| LT6604CUFF-2.5-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Very Low Noise, Differential Amplifi er and 2.5MHz Lowpass Filter |
| LT6604CUFF-5#PBF | 功能描述:IC AMP DIFF LN DUAL 34-QFN RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:2,500 系列:Excalibur™ 放大器类型:J-FET 电路数:1 输出类型:- 转换速率:45 V/µs 增益带宽积:10MHz -3db带宽:- 电流 - 输入偏压:20pA 电压 - 输入偏移:490µV 电流 - 电源:1.7mA 电流 - 输出 / 通道:48mA 电压 - 电源，单路/双路(±):4.5 V ~ 38 V，±2.25 V ~ 19 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 供应商设备封装:8-SOIC 包装:带卷 (TR) |
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