LOG102AID - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

LOG102AID
Manufacturer

TI
ChipWorker Part#

CW56447017
Category

Amplifier, Buffer IC
Package

SOIC-14
Description

TEXAS INSTRUMENTS LOG102AID Logarithmic Amplifier, 4 Amplifier, 6 Decades, 1V / Decade, 110µs, SOIC, 14Pins
Documentation

Datasheet

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LOG102AID Specifications

Attribute	Attribute Value

Part Number	LOG102AID
Manufacturer	TI
ChipWorker Part#	CW56447017
Category	Amplifier, Buffer IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	14 Pin
Case/Package	SOIC-14
Supply Voltage (DC)	5.00 V
Supply Current	1.25 mA
Number of Circuits	1 Circuit
Number of Channels	2 Channel
Number of Positions	14 Position
Input Current	1.00 mA
Common Mode Rejection Ratio	86 dB
Quiescent Current	1.25 mA
Bandwidth	45.0 kHz
Slew Rate	500 mV/μs
Gain Bandwidth Product	1.4 MHz
Input Offset Voltage	300 µV
Input Bias Current	5 pA
Operating Temperature (Max)	70 ℃
Operating Temperature (Min)	0 ℃
3dB Bandwidth	45 kHz
Gain Bandwidth	1.4 MHz
Minimum CMRR Range	86 dB
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Size-Length	8.65 mm
Size-Width	3.91 mm
Size-Height	1.58 mm
Operating Temperature	0℃ ~ 70℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/06/15
HK STC License	NLR

Product Description

The LOG102AID is a versatile Amplifier IC that computes the logarithm or log ratio of an input current relative to a reference current. The LOG102 is tested over a wide dynamic range of input signals. In log ratio applications, a signal current can be generated by a photodiode and a reference current from a resistor in series with a precision external voltage reference. In the block diagram shown below, A3 and A4 are identical, uncommitted op-amps that can be used for a variety of functions, such as filtering, offsetting, adding gain or as a comparator to detect loss of signal. The output signal at VLOG OUT is trimmed to 1V per decade of input current. It can be scaled with an output amplifier, either A3 or A4. Low DC offset voltage and temperature drift allow accurate measurement of low-level signals over a wide environmental temperature range.
Easy-to-use complete log ratio function
Output amplifiers for scaling and signal loss indication
High accuracy - 0.15% FSO total error over 6 decades
1.25mA Low quiescent current
Green product and no Sb/Br

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