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Numéro de référence | MAX1338 | ||
Description | Simultaneous-Sampling ADC | ||
Fabricant | Maxim Integrated Products | ||
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1 Page
19-3151; Rev 1; 7/04
www.DataSheet4U.com
14-Bit, 4-Channel, Software-Programmable,
Multiranging, Simultaneous-Sampling ADC
General Description
The MAX1338 14-bit, analog-to-digital converter (ADC)
offers four simultaneously sampled, fully differential input
channels, with independent track-and-hold (T/H) circuitry
for each channel. The input channels are individually
software programmable for input ranges of ±10V, ±5V,
±2.5V, and ±1.25V. The input channels feature fault tol-
erance to ±17V. The internal T/H circuits have a 16ns
aperture delay and 100ps aperture-delay matching.
A 14-bit parallel bus provides the conversion result with
a maximum per-channel output rate of 150ksps
(600ksps for all four channels). The MAX1338 has an
on-board oscillator and 2.5V internal reference. An
external clock and/or reference can also be used.
The MAX1338 operates from a +5V supply for analog
inputs and digital core. The device operates from a +2.7V
to +5.25V supply for the digital I/O lines. The MAX1338
features two power-saving modes: standby mode and
shutdown mode. Standby mode allows rapid wake-up
and reduces quiescent current to 4mA (typ), and shut-
down mode reduces sleep current to less than 10µA (typ).
The MAX1338 is available in an 8mm x 8mm x 0.8mm,
56-pin, thin QFN package. The device operates over
the extended -40°C to +85°C temperature range.
Applications
Multiple-Channel Data Recorders
Vibration Analysis
Motor Control: 3-Phase Voltage, Current, and
Power Measurement
Optical Communication Equipment
Features
♦ 150ksps Sample Rate per Channel
♦ All Four Input Channels Simultaneously Sampled
16ns Aperture Delay
100ps Aperture-Delay Matching
♦ Channel-Independent Software-Selectable Input
Range: ±10V, ±5V, ±2.5V, ±1.25V
♦ ±17V Fault-Tolerant Inputs
♦ Dynamic Performance at 10kHz Input
SNR: 77dB
SINAD: 76dB
SFDR: 98dBc
THD: -83dBc
♦ DC Performance
INL: ±2 LSB
DNL: ±1 LSB
Offset Error: ±4 LSB
Gain Error: ±0.1% FSR
♦ 14-Bit Parallel Interface
♦ Internal Clock and Reference Voltage
♦ +5V Analog and Digital Supplies
♦ +2.7V to +5.25V Digital I/O Supply
♦ 56-Pin Thin QFN Package (8mm x 8mm x 0.8mm)
Ordering Information
PART
MAX1338ETN
TEMP RANGE
-40°C to +85°C
*EP = Exposed pad.
PIN-PACKAGE
56 Thin QFN-EP*
Pin Configuration appears at end of data sheet.
________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
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Pages | Pages 24 | ||
Télécharger | [ MAX1338 ] |
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