|
MAX1338
14-Bit, 4-Channel, Software-Programmable, Multiranging, Simultaneous-Sampling ADC
Industry's Only ADC with Software-Selectable Input Range and Simultaneous-Sampling Reduces Board Space and Offers 14 Bits of Resolution
|
Status
Active: In Production.
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 tolerance
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.
|
|
Data Sheet
|
An evaluation kit is available: MAX1338EVKIT
Key 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)
|
|
Applications/Uses
- Motor Control: 3-Phase Voltage, Current, and Power Measurement
- Multiple-Channel Data Recorders
- Optical Communication Equipment
- Vibration Analysis
|
|
|
|
Key Specifications:
| Precision ADCs (< 5Msps) |
| Part Number |
Resolution
(bits) |
Input Chan. |
Conv. Rate
(ksps) |
Data Bus
(bits) |
Diff/S.E. Input |
Internal VREF
(V) |
External VREF
(V) |
External VREF
(V) |
Bipolar VIN
(±V) |
SNR
(dB) |
SINAD
(dB) |
THD
(dB) |
SFDR
(dB) |
DNL
(±LSB) |
INL
(±LSB) |
Package/Pins |
| ADC |
max |
nominal |
min |
max |
max |
| MAX1338 |
14 |
4 |
150 |
µP/14 |
Diff. Only |
2.5 |
2 |
3 |
10 |
77 |
76 |
-83 |
85 |
0.25 |
1 |
|
|
See All Precision ADCs (< 5Msps) (417)
|
Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.
|
|
Diagram
Typical Operating Circuit
More Information
Didn't Find What You Need?
Information Index
Document Ref.: 19-3151
Rev 1;
2004-07-24
This page last modified: 2009-10-07
|
Download
E-Mail