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Hangzhou Ruimeng Tech MS2351M product image
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Hangzhou Ruimeng Tech MS2351MRoHS

Manufacturer
Hangzhou Ruimeng TechAsian Brands
MPN
MS2351M
LCSC Part #
C1509084
Packaging
MSOP-8
Customer #
Key Attributes
RF Detector/Controller with a dynamic range of 45 dB from 100 MHz to 2500 MHz
Datasheetpdf iconHangzhou Ruimeng Tech MS2351M
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QtyUnit Price(Reference Only)Total Amount
1+$ 0.8047$ 0.80
10+$ 0.7869$ 7.87
30+$ 0.774$ 23.22
100+$ 0.7611$ 76.11
Standard Packaging3000/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Linear/Amplifiers/Instrumentation, Op Amps, Buffer Amps
ManufacturerHangzhou Ruimeng Tech
PackagingMSOP-8
Number of Channels4
Vos - Input Offset Voltage-
Slew Rate-
Input Offset Current(Ios)-
Input offset current drift(Ios TC)-
FeaturesEnable/shutdown function
Operating Temperature-40℃~+85℃
Common Mode Rejection Ratio(CMRR)-
Ib - Input Bias Current20uA
Output Current18mA
Maximum Power Supply Range (Vdd-Vss)5.5V
Input Offset Voltage Drift(Vos TC)-
Gain Bandwidth Product-
Quiescent Current5.3mA
Input Voltage Noise Density160nV/√Hz@10kHz
Dual Supply-
Rail to Rail-
Single Supply2.7V~5.5V
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging3000
Sales UnitPiece

Introduction

AI Translation

MS2351M is a logarithmic amplifier IC primarily used for RSSI and power amplifier control, with an operating frequency range of 100MHz to 2500MHz and a typical dynamic range of 45dB. The chip is suitable for various handheld devices and other wireless equipment. Compared to discrete diode detectors, MS2351M provides a wider dynamic range and higher accuracy. In particular, it exhibits excellent temperature stability over the -40°C to 85°C temperature range.

MS2351M is essentially a voltage-responsive device, with a typical input signal range of 1.25mV to 224mV (RMS), or -58dBV to -13dBV, which is equivalent to -45dBm to 0dBm with a 50Ω load.

For ease of application, AC coupling is used internally. MS2351M provides two voltage outputs. The first is output from pin V_UP: as the input signal increases from -45dBm to 0dBm, this pin outputs 0 to 1.2V, enabling operation in measurement mode. The second is output from pin V_DN, which is the inverted output of V_UP with 2× gain. Assuming a supply voltage greater than 3.3V, as the input signal varies from minimum to maximum, V_DN output drops from 2.25V to near ground potential. This output enables the chip to operate in control mode. This application requires an external voltage applied to the VSET pin, after which V_DN can control a VGA or power amplifier.

Features

AI Translation
  • Complete RF detector/controller functionality
  • Typical dynamic range: -58dBV~-13dBV, or -45dBm~0dBm@50Ω
  • Frequency response range: 100MHz~2500MHz
  • 10dB step response time: 70ns
  • Excellent temperature stability
  • Single supply operation: 2.7V~5.5V

Applications

AI Translation
  • Handheld devices: TDMA, CDMA, GSM
  • Receive and transmit signal strength indication for wireless terminals
  • Transmitter power measurement and control