LM7705MME/NOPB

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Details for Texas Instruments

LM7705MME/NOPB

Low Noise Negative Bias Generator
Buy Directly from Texas Instruments (4583 in Stock)
$0.3100 per unit
Series Information for LM7705MME/NOPB - Texas Instruments

Features

  • feature
    8-Pin VSSOP Package
  • feature
    Conversion Efficiency Up to 98%
  • feature
    Maximum Output Current 26 mA
  • feature
    Operating Temperature Range u221240u00b0C to 125u00b0C
  • feature
    Output Voltage Ripple 4 mVPP
  • feature
    Output Voltage Tolerance 5%
  • feature
    Quiescent Current 78 u00b5A
  • feature
    Regulated Output Voltage u22120.232 V
  • feature
    Shutdown Current 20 nA
  • feature
    Supply Voltage 3 V to 5.25 V
  • feature
    Turnon Time 500 u00b5s

Description

DC-DC CONV BUCK 92KHZ VSSOP-8 REEL
The LM7705 device is a switched capacitor voltage inverter with a low noise, −0.23 V fixed negative voltage regulator. This device is designed to be used with low voltage amplifiers to enable the amplifiers output to swing to zero volts. The −0.23 V is used to supply the negative supply pin of an amplifier while maintaining less then 5.5 V across the amplifier. Railto-Rail output amplifiers cannot output zero volts when operating from a single-supply voltage and can result in error accumulation due to amplifier output saturation voltage being amplified by following gain stages. A small negative supply voltage will prevent the amplifiers output from saturating at zero volts and will help maintain an accurate zero through a signal processing chain. Additionally, when an amplifier is used to drive an input of the ADC, the amplifier can output a zero voltage signal and the full input range of an ADC can be used. The LM7705 device has a shutdown pin to minimize standby power consumption.

Specifications

Output Type:
Fixed
Input Voltage Min:
3V
Input Voltage Max:
5.25V
DC / DC Converter IC Case:
VSSOP
No. of Pins:
8Pins
Output Current:
26mA
Fixed Output Voltage Nom.:
-232mV
Adjustable Output Voltage Min:
-
Adjustable Output Voltage Max:
-
Topology:
Buck-Boost
Operating Temperature Max:
125°C
Product Range:
-
Automotive Qualification Standard:
-
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (27-Jun-2018)
No. of Outputs:
1Outputs
Operating Temperature Min:
-40°C
Output Voltage:
-232mV
Output Voltage Nom.:
-232mV
Primary Input Voltage:
5.25V

Alternate Descriptions

Avnet America

Charge Pump INV -0.233V -35mA 8-Pin MSOP T/R

Avnet America product

Avnet Europe

Charge Pump INV -0.233V -35mA 8-Pin MSOP T/R

Avnet Europe product

Texas Instruments

Low Noise Negative Bias Generator

Texas Instruments product