MAX4207ETE+ by Analog Devices

Precision Transimpedance Logarithmic Amplifier with Over 5 Decades of Dynamic Range

Status: Active
Series: MAX4207
RoHS: Unknown
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The MAX4207 logarithmic amplifier computes the log ratio of an input current relative to a reference current (externally or internally generated) and provides a corresponding voltage output with a default -0.25V/decade scale factor. The device operates from dual ±2.7V to ±5.5V supplies and is capable of measuring five decades of input current across a 10nA to 1mA range. The MAX4207's uncommitted op amp can be used for a variety of functions, 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 MAX4207. The output-offset voltage and the adjustable scale factor are also set using external resistors. The MAX4207 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 temperature range.

Prices starting from US$5.67


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Logo for element14 element14 US$5.67
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Logo for Newark Electronics Newark Electronics -
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Features

±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
Input Amplifiers Summing Nodes at Ground
Small 16-Pin Thin QFN Package (4mm x 4mm x 0.8mm)
-40°C to +85°C Operating Temperature Range
Evaluation Kit Available (Order MAX4206EVKIT)

Specifications

VSUPPLY (Single) (V) (min) 2.7
VSUPPLY (Single) (V) (max) 11
VSUPPLY (Dual) (±V) (min) 2.7
VSUPPLY (Dual) (±V) (max) 5.5
ICC (mA) (typ) 5
Log. Slope (mV/ decade) -250
Dynamic Range (dB) 100
Package/Pins TQFN/16
Oper. Temp. (°C) -40 to +85
BudgetaryPrice (See Notes) 3.12


MAX4207ETE+ Amplifiers & Comparators by Analog Devices

LOG AMP 0.25 TQFN-16

Status: Unknown
Series: -
RoHS: Unknown
View Datasheet Manufacturer Site View Pricing & Stock

Specifications

No. of Amplifiers 1 Amplifier, 1Amplifiers
Dynamic Range 5 Decades
Scale Factor 250mV / Decade
Response Time -
Amplifier Case Style TQFN
No. of Pins 16Pins
Supply Voltage Range ± 2.7V to ± 5.5V
Input Offset Voltage 600µV
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range -
RoHS Phthalates Compliant To Be Advised
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)
Dynamic Range Decades 5
Scale Factor V / Decade 0.25

Alternative Descriptions

LOG AMP, 0.25, TQFN-16 | Farnell
Log Amp, 0.25, Tqfn-16 | Newark Electronics

Frequently Asked Questions

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Is the MAX4207ETE+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

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Authorised distributors including element14, Farnell and Newark Electronics have stock available or on a lead time for MAX4207ETE+ .

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