参数资料
| 型号： | LTC6404IUD-1#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 15/28页 |
| 文件大小： | 0K |
| 描述： | IC AMP/DRIVER DIFF 16-QFN |
| 标准包装： | 2,500 |
| 类型： | ADC 驱动器 |
| 应用： | 数据采集 |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-WFQFN 裸露焊盘 |
| 供应商设备封装： | 16-QFN-EP（3x3） |
| 包装： | 带卷 (TR) |
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LTC6404
22
6404f
APPLICATIONS INFORMATION
According to Figure 4, the input impedance looking into
the differential amp (RINM) reects the single ended source
case, thus:
R
RR
INM
I
F
IF
=
+
1
2
–
R2 is chosen to balance R1 || RS:
R
RR
IS
2 =
+
Input Common Mode Voltage Range
The LTC6404’s input common mode voltage (VICM) is
dened as the average of the two input voltages, VIN+, and
VIN–. It extends from V– to 1.4V below V+. The operating
input common mode range depends on the circuit con-
guration (gain), VOCM and VCM (Refer to Figure 5). For
fully differential input applications, where VINP = –VINM,
the common mode input voltage is approximately:
V
VV
V
R
RR
V
R
ICM
IN
OCM
I
IF
CM
F
=
+
≈
+
+
–
2
++
RI
With singled ended inputs, there is an input signal com-
ponent to the input common mode voltage. Applying only
VINP (setting VINM to zero), the input common voltage is
approximately:
V
VV
V
R
RR
V
R
ICM
IN
OCM
I
IF
CM
F
=
+
≈
+
+
–
2
++
+
R
VR
RR
I
INP
F
FI
2
Output Common Mode Voltage Range
The output common mode voltage is dened as the aver-
age of the two outputs:
VV
OUTCM
OCM
OUT
==
+
–
2
The VOCM pin sets this average by an internal common
mode feedback loop which internally forces VOUT+=–VOUT–.
The output common mode range extends from 1.1V above
V– to 1V below V+ (see the Electrical Characteristics table
for the LTC6404-4 output common mode voltage range).
The VOCM pin sits in the middle of a voltage divider which
sets the default mid-supply open circuit potential.
Figure 5. Circuit for Common Mode Range
V–
V+
0.1μF
VCM
–
+
1
SHDN
5
6
IN–
7
OUT+
8
OUTF+
16
15
IN+
NC
14
OUT–
13
OUTF–
VOUTF
–
RF
VOUTF
+
VOUT
–
VOUT
+
2
V+
3
V–
V+
V–
V+
V–
4
VOCM
VSHDN
VVOCM
VOCM
12
V–
11
V+
10
V+
9
V–
6404 F05
LTC6404
SHDN
0.1μF
0.01μF
RF
RI
+
–
VINP
–
+
VINM
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC6404IUD-2#PBF | 功能描述:IC AMP/DRIVER DIFF 16-QFN RoHS:是 类别:集成电路 (IC) >> 线性 - 放大器 - 专用 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:60 系列:- 类型:可变增益放大器 应用:CATV 安装类型:表面贴装 封装/外壳:20-WQFN 裸露焊盘 供应商设备封装:20-TQFN-EP（5x5） 包装:托盘 |
| LTC6404IUD-2#TRPBF | 功能描述:IC AMP/DRIVER DIFF 16-QFN RoHS:是 类别:集成电路 (IC) >> 线性 - 放大器 - 专用 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:60 系列:- 类型:可变增益放大器 应用:CATV 安装类型:表面贴装 封装/外壳:20-WQFN 裸露焊盘 供应商设备封装:20-TQFN-EP（5x5） 包装:托盘 |
| LTC6404IUD-2-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:600MHz, Low Noise, High Precision Fully Differential Input/Output Amplifi er/Driver |
| LTC6404IUD-2-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:600MHz, Low Noise, High Precision Fully Differential Input/Output Amplifi er/Driver |
| LTC6404IUD-4#PBF | 功能描述:IC AMP/DRIVER DIFF 16-QFN RoHS:是 类别:集成电路 (IC) >> 线性 - 放大器 - 专用 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:60 系列:- 类型:可变增益放大器 应用:CATV 安装类型:表面贴装 封装/外壳:20-WQFN 裸露焊盘 供应商设备封装:20-TQFN-EP（5x5） 包装:托盘 |
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