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LM12458

Features: `Three operating modes: 12-bit + sign, 8-bit + sign, and watchdog `Single-ended or differential inputs`Built-in Sample-and-Hold and 2.5V bandgap reference`Instruction RAM and event sequencer`8-channel (LM12(H)458), 4-channel (LM12454) multiplexer`32-word conversion FIFO`Programmable acq...

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SeekIC No. : 004394593 Detail

LM12458: Features: `Three operating modes: 12-bit + sign, 8-bit + sign, and watchdog `Single-ended or differential inputs`Built-in Sample-and-Hold and 2.5V bandgap reference`Instruction RAM and event sequen...

LM12458 Data Sheet

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Part Number:
LM12458
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2026/1/13

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Product Details

Description



Features:

`Three operating modes: 12-bit + sign, 8-bit + sign, and "watchdog"
`Single-ended or differential inputs
`Built-in Sample-and-Hold and 2.5V bandgap reference
`Instruction RAM and event sequencer
`8-channel (LM12(H)458), 4-channel (LM12454) multiplexer
`32-word conversion FIFO
`Programmable acquisition times and conversion rates
`Self-calibration and diagnostic mode
`8- or 16-bit wide databus dmicroprocessor or DSP interface





Application

·Data Logging
·Instrumentation
·Process Control
·Energy Management
·Inertial Guidance




Pinout

Connection Diagram




Specifications

Supply Voltage (VA+ and VD+) 6.0V
Voltage at Input and Output Pins
except IN0IN3 (LM12454) -0.3V to V+ + 0.3V
and IN0IN7 (LM12(H)458)
Voltage at Analog Inputs IN0IN3 (LM12454)
and IN0IN7 (LM12(H)458) GND - 5V to V+ + 5V
|VA+ - VD+| 300 mV
Input Current at Any Pin (Note 3) ±5 mA
Package Input Current (Note 3) ±20 mA
Power Dissipation (TA = 25)
V Package (Note 4) 875 mW
Storage Temperature -65 to +150
Lead Temperature
V Package, Infrared, 15 sec.+300
EL and W Packages,
Solder, 10 sec. +250
ESD Susceptibility (Note 5) 1.5 kV
LM12458MEL/883 2.0 kV

Resolution 12 bits
Input Channels 8
Interface Type Parallel
Differential Input Yes
INL (LSB) +/-1.0
Max KSample Rate 114 ksps
Min Supply Voltage 3 Volt
Max Supply Voltage 5.5 Volt
Reference Source Internal
Temperature Min -40 deg C
Temperature Max 85 deg C
Power Down Yes
Input Sample/Hold Yes
Special Features Undefined
Data Converter Type ADC
Max Sample Rate 0.114 MSPS
View Using Catalog





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