Texas Instruments LOG305 Handleiding
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LOG305 95dB Dynamic Range, Logarithmic Detector for Cost-Sensitive Applications
1 Features
•Input Range: 18µV
RMS
to 1V
RMS
•Temperature: –40°C to +125°C
•Dynamic range: 95dB
•Log conformance error (LCE) = ±2dB
•Signal detection from 200kHz to 100MHz
•Quiescent current: 2.1mA max across temperature
•Supply: 2.7V to 5.25V
•Integrated Op Amp for buffering / gain adjustment
2 Applications
•Ultrasonic distance and material sensing
•Flow cytometry
•ESD and high energy EMI signal detection
•ARC fault detection
3 Description
The LOG305 is a Log Detector / RSSI Detector with
very low power consumption. This device supports an
input frequency from 200kHz to 100MHz and a typical
dynamic range of 95dB. The LOG305 can support
beyond these frequencies at reduced sensitivity. The
LOG305 is intended for use in applications that
require a wide dynamic range of voltage and signal
measurement. This device supports single ended
inputs and unipolar or bipolar supplies.
The LOG305 is available in a 6-pin DRV package.
The LOG305 is operational from a 2.7V to 5.25V
supply and over the full ambient temperature range
of –40°C to +125°C.
Package Information
PART NUMBERPACKAGE
(1)
PACKAGE SIZE
(2)
LOG305DRV (WSON, 6)2mm × 2mm
(1)For more information, see Section 11.
(2)The package size (length × width) is a nominal value and
includes pins, where applicable.
Log
Detector
Log_Out
Log_In
VEE
VCC
V
BIAS
1.7V
Opamp
Log_En
+
–
FB
96k
R
F
C
F
DET
90pF
V
DET
Logarithmic Detector
LOG305
SLOSEG0A – NOVEMBER 2025 – REVISED NOVEMBER 2025
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.
Product specificaties
| Merk: | Texas Instruments |
| Categorie: | Niet gecategoriseerd |
| Model: | LOG305 |
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