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參數(shù)資料
| 型號(hào)： | MAX4206 |
| 廠商： | Maxim Integrated Products, Inc. |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | Precision Transimpedance Logarithmic Amplifier with Over 5 Decades of Dynamic Range |
| 中文描述： | 高精度互阻對(duì)數(shù)放大器，動(dòng)態(tài)范圍大于105 |
| 文件頁數(shù)： | 1/17頁 |
| 文件大?。?/td> | 1241K |
| 代理商： | MAX4206 |
General Description
The MAX4206 logarithmic amplifier computes the log
ratio of an input current relative to a reference current
(externally or internally generated) and provides a cor-
responding voltage output with a default 0.25V/decade
scale factor. The device operates from a single +2.7V
to +11V supply or from dual ±2.7V to ±5.5V supplies
and is capable of measuring five decades of input cur-
rent across a 10nA to 1mA range.
The MAX4206’s uncommitted op amp can be used for
a variety of purposes, including filtering noise, adding
offset, and adding additional gain. A 0.5V reference is
also included to generate an optional precision current
reference using an external resistor, which adjusts the
log intercept of the MAX4206. The output-offset voltage
and the adjustable scale factor are also set using exter-
nal resistors.
The MAX4206 is available in a space-saving 16-pin thin
QFN package (4mm x 4mm x 0.8mm), and is specified
for operation over the -40°C to +85°C extended temper-
ature range.
Applications
Photodiode Current Monitoring
Portable Instrumentation
Medical Instrumentation
Analog Signal Processing
Features
+2.7V to +11V Single-Supply Operation
±2.7V to ±5.5V Dual-Supply Operation
5 Decades of Dynamic Range (10nA to 1mA)
Monotonic Over a 1nA to 1mA Range
0.25V/Decade Internally Trimmed Output Scale
Factor
Adjustable Output Scale Factor
Adjustable Output Offset Voltage
Internal 10nA to 10μA Reference Current Source
0.5V Input Common-Mode Voltage
Small 16-Pin Thin QFN Package (4mm x 4mm x
0.8mm)
-40°C to +85°C Operating Temperature Range
Evaluation Kit Available
M
Precision Transimpedance Logarithmic
Amplifier with Over 5 Decades of Dynamic Range
________________________________________________________________
Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1
Ordering Information
MAX4206
V
EE
GND
REFIIN
CMVIN
CMVOUT
LOGV1
REFIOUT
LOGIIN
I
IN
REFISET
SCALE
LOGV2
OSADJ
REFVOUT
V
CC
V
CC
R
COMP
C
COMP
R
SET
R
OS
R1
R2
0.1
μ
F
0.1
μ
F
V
OUT
0.1
μ
F
R
COMP
C
COMP
Typical Operating Circuit
19-3071; Rev 0; 12/03
EVALUATION KIT
AVAILABLE
PART
TEMP RANGE
-40°C to +85°C
PIN-PACKAGE
16 Thin QFN-EP*
MAX4206ETE
*EP = Exposed Paddle.
16
15
14
13
C
L
R
R
9
10
11
12
N.C.
V
CC
REFISET
CMVOUT
4
3
2
1
V
EE
GND
REFVOUT
N.C.
5
6
7
8
L
O
S
L
MAX4206
TOP VIEW
(LEADS ON BOTTOM)
THIN QFN
Pin Configuration
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4206ETE | 功能描述:對(duì)數(shù)放大器 Transimpedance w/ 100Db Dynamic Range RoHS:否 制造商:Texas Instruments 通道數(shù)量:3 帶寬:3 dB 共模抑制比（最小值）: 輸入補(bǔ)償電壓:+/- 7 mV 輸入電壓范圍（最大值）:5.5 V 工作電源電壓:4.5 V to 5.5 V 電源電流:+/- 15 mA 工作溫度范圍:- 40 C to +85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-16 封裝:Reel |
| MAX4206ETE+ | 功能描述:對(duì)數(shù)放大器 Transimpedance w/ 100Db Dynamic Range RoHS:否 制造商:Texas Instruments 通道數(shù)量:3 帶寬:3 dB 共模抑制比（最小值）: 輸入補(bǔ)償電壓:+/- 7 mV 輸入電壓范圍（最大值）:5.5 V 工作電源電壓:4.5 V to 5.5 V 電源電流:+/- 15 mA 工作溫度范圍:- 40 C to +85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-16 封裝:Reel |
| MAX4206ETE+T | 功能描述:對(duì)數(shù)放大器 Transimpedance w/ 100Db Dynamic Range RoHS:否 制造商:Texas Instruments 通道數(shù)量:3 帶寬:3 dB 共模抑制比（最小值）: 輸入補(bǔ)償電壓:+/- 7 mV 輸入電壓范圍（最大值）:5.5 V 工作電源電壓:4.5 V to 5.5 V 電源電流:+/- 15 mA 工作溫度范圍:- 40 C to +85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-16 封裝:Reel |
| MAX4206ETE-T | 功能描述:對(duì)數(shù)放大器 Transimpedance w/ 100Db Dynamic Range RoHS:否 制造商:Texas Instruments 通道數(shù)量:3 帶寬:3 dB 共模抑制比（最小值）: 輸入補(bǔ)償電壓:+/- 7 mV 輸入電壓范圍（最大值）:5.5 V 工作電源電壓:4.5 V to 5.5 V 電源電流:+/- 15 mA 工作溫度范圍:- 40 C to +85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-16 封裝:Reel |
| MAX4206EVKIT | 功能描述:放大器 IC 開發(fā)工具 Transimpedance w/ 100Db Dynamic Range RoHS:否 制造商:International Rectifier 產(chǎn)品:Demonstration Boards 類型:Power Amplifiers 工具用于評(píng)估:IR4302 工作電源電壓:13 V to 23 V |
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