MAXIM MAX1192 Ultra- Low-Power, 22Msps, Dual 8-Bit ADC User's Manual
Summary
The MAX1192 is an ultra-low-power, dual 8-bit Analog-to-Digital Converter (ADC) designed for demanding applications in medical imaging, instrumentation, and digital communications. Offering fast performance at 22Msps while maintaining excellent dynamic range, this device features multiple power-saving modes and a thin QFN package. This guide provides comprehensive documentation covering its electrical characteristics, pin configuration, and technical specifications to assist engineers in integrating high-precision, low-power data acquisition into their designs.
Page 1 Text Content
19-2835; Rev 2; 7/09
Ultra-Low-Power, 22Msps, Dual 8-Bit ADC
General Description Features
The MAX1192 is an ultra-low-power, dual, 8-bit, 22Msps
Ultra-Low Power
analog-to-digital converter (ADC). The device features
27.3m W (Normal Operation: 22Msps)
two fully differential wideband track-and-hold (T/H) inputs.
1.8µW (Shutdown Mode)
These inputs have a 440MHz bandwidth and accept fully
Excellent Dynamic Performance
differential or single-ended signals. The MAX1192 deliv-
ers a typical signal-to-noise and distortion (SINAD) of 48.6d B/47.2d B SNR at f IN = 5.5MHz/125MHz
48.6d B at an input frequency of 5.5MHz and a sampling 70d Bc/69d Bc SFDR at f IN = 5.5MHz/125MHz
rate of 22Msps while consuming only 27.3m W. This ADC
2.7V to 3.6V Single Analog Supply
operates from a 2.7V to 3.6V analog power supply. A sep-
1.8V to 3.6V TTL/CMOS-Compatible Digital
arate 1.8V to 3.6V supply powers the digital output driver.
Outputs
In addition to ultra-low operating power, the MAX1192 features three power-down modes to conserve power Fully Differential or Single-Ended Analog Inputs during idle periods. Excellent dynamic performance,
Internal/External Reference Option
ultra-low power, and small size make the MAX1192 ideal
for applications in imaging, instrumentation, and digital Multiplexed CMOS-Compatible Tri-State Outputs
communications.
28-Pin Thin QFN Package
An internal 1.024V precision bandgap reference sets
Evaluation Kit Available (Order MAX1193EVKIT)
the full-scale range of the ADC to ±0.512V. A flexible reference structure allows the MAX1192 to use its inter- nal reference or accept an externally applied reference Ordering Information for applications requiring increased accuracy.
PART TEMP RANGE PIN-PACKAGE
The MAX1192 features parallel, multiplexed, CMOS-
compatible tri-state outputs. The digital output format is MAX1192ETI-T -40°C to +85°C 28 Thin QFN-EP*
offset binary. A separate digital power input accepts a IN A+IN D1
-Denotes a package containing lead(Pb).
voltage from 1.8V to 3.6V for flexible interfacing to dif- *EP = Exposed paddle.
GN D2
ferent logic levels. The MAX1192 is available in a 5mm T = Tape and reel.
5mm, 28-pin thin QFN package, and is specified for CL D3
the extended industrial (-40°C to +85°C) temperature
GN A/
range. Pin Configuration
For higher sampling frequency applications, refer to the IN B+ D4
TOP VIEW
MAX1195–MAX1198 dual 8-bit ADCs. Pin-compatible
IN B- D5
versions of the MAX1192 are also available. Refer to the MAX1191 data sheet for 7.5Msps, and the MAX1193 data sheet for 45Msps.
Applications PD1 D6 Ultrasound and Medical Imaging PD0 D7
IQ Baseband Sampling REFIN OVDD Battery-Powered Portable Instruments
COM OGND
MAX1192
Low-Power Video
REFN GND
WLAN, Mobile DSL, WLL Receiver
REFP VDD
EXPOSED PADDLE
VDD VDD
5mm x 5mm THIN QFN
Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
Page Summary Contents For MAXIM MAX1192 Ultra- Low-Power, 22Msps, Dual 8-Bit ADC User's Manual
Manual Details
| Brand | Dual |
|---|---|
| Pages | 27 |
| File Size | 414.31 KB |
| Published | May 28, 2026 |
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Frequently Asked Questions
What are the key technical specifications of the MAX1192 ADC?
It is an ultra-low-power, dual 8-bit, 22Msps analog-to-digital converter (ADC).
What power supplies and logic levels can be used with this device?
It operates from a 2.7V to 3.6V single analog supply, with an independent digital supply of 1.8V to 3.6V for TTL/CMOS compatibility.
How good is the signal quality at 5.5MHz and 125MHz?
It delivers a typical SINAD of 70dBc at 5.5MHz and an SFDR of 69dBc at 125MHz while consuming only 27.3mW.
What temperature range is the device specified for?
The MAX1192 is available in a package specified for the extended industrial temperature range of -40°C to +85°C.