参数资料
型号: INA333AIDGKRG4
厂商: Texas Instruments
文件页数: 8/27页
文件大小: 0K
描述: IC INST AMP PREC LOW PWR 8-MSOP
视频文件: INA333 Zero-Drift Instrumentation Amp
标准包装: 2,500
放大器类型: 仪表
电路数: 1
输出类型: 满摆幅
转换速率: 0.16 V/µs
-3db带宽: 150kHz
电流 - 输入偏压: 70pA
电压 - 输入偏移: 10µV
电流 - 电源: 50µA
电流 - 输出 / 通道: 40mA
电压 - 电源,单路/双路(±): 1.8 V ~ 5.5 V,±0.9 V ~ 2.75 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 8-TSSOP,8-MSOP(0.118",3.00mm 宽)
供应商设备封装: 8-MSOP
包装: 带卷 (TR)
TINA-TI
V
C
V
C
V
re
f+
V
re
f+
V
re
f+
Rset 2.5M
VoA2
VoA1
-
+
3
1
5
4
2
U5 OPA369
-
+
3
1
5
4
2
U6 OPA369
1/2ofmatched
monolithicdual
NPNtransistors
(example:MMDT3904)
Input I 10n
u
C
V
re
f/
2
.5
V
+
VM1
V
C
V
C
V
re
f+
V
re
f+
V1 5
uC Vref/2 2.5
Vdiff
Vout
+
-
+
U1 OPA335
R
3
14
k
R8 10k
C
1
n
+
RG
RG V+
V-
Ref
_
Out
2
1
8
3
6
7
5
4
U1 INA333
V
C
1/2ofmatched
monolithicdual
NPNtransistors
(example:MMDT3904)
NOTE:
Temperaturecompensation
ofloggingtransistorsisnotshown.
Optionalbufferfordriving
SARconverterswith
samplingsystemsof
33kHz.
RELATEDPRODUCTS
Formonolithiclogarithmicamplifiers(suchasLOG112orLOG114)seethelinkinfootnote1.
SBOS445B – JULY 2008 – REVISED OCTOBER 2008 ..................................................................................................................................................... www.ti.com
Virtual instruments offer users the ability to select
(FREE DOWNLOAD SOFTWARE)
input waveforms and probe circuit nodes, voltages,
and waveforms, creating a dynamic quick-start tool.
Using TINA-TI SPICE-Based Analog Simulation
Program with the INA333
Figure 38 and Figure 39 show example TINA-TI
circuits for the INA333 that can be used to develop,
TINA is a simple, powerful, and easy-to-use circuit
modify, and assess the circuit design for specific
simulation program based on a SPICE engine.
applications. Links to download these simulation files
TINA-TI is a free, fully functional version of the TINA
are given below.
software, preloaded with a library of macromodels in
addition to a range of both passive and active
NOTE: these files require that either the TINA
models. It provides all the conventional dc, transient,
software (from DesignSoft) or TINA-TI software be
and frequency domain analysis of SPICE as well as
installed. Download the free TINA-TI software from
additional design capabilities.
Available as a free download from the Analog eLab
TINA-TI
offers
extensive
post-processing capability that allows users to format
results in a variety of ways.
(1) The following link launches the TI logarithmic amplifiers web page: Logarithmic Amplifier Products Home Page
Figure 38. Low-Power Log Function Circuit for Portable Battery-Powered Systems
(Example Glucose Meter)
To download a compressed file that contains the TINA-TI simulation file for this circuit, click the following link:
16
Copyright 2008, Texas Instruments Incorporated
Product Folder Link(s): INA333
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INA333AIDGKT 功能描述:仪表放大器 Lo Pwr Prec Inst Amp RoHS:否 制造商:Texas Instruments 通道数量: 输入补偿电压:150 V 可用增益调整: 最大输入电阻:10 kOhms 共模抑制比(最小值):88 dB 工作电源电压:2.7 V to 36 V 电源电流:200 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:MSOP-8 封装:Bulk
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