MAX1196 Dual 8-Bit, 40Msps, 3V, Low-Power ADC with Internal Reference and Multiplexed Parallel Outputs

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The MAX1196 is a 3V, dual 8-bit analog-to-digital converter (ADC) featuring fully differential wideband track-and-hold (T/H) inputs, driving two ADCs. The MAX1196 is optimized for low power, small size, and high-dynamic performance for applications in imaging, instrumentation, and digital communications. This ADC operates from a single 2.7V to 3.6V supply, consuming only 87mW while delivering a typical signal-to-noise and distortion (SINAD) of 48.4dB at an input frequency of 20MHz and a sampling rate of 40Msps. The T/H driven input stages incorporate 400MHz (-3dB) input amplifiers. The converters can also be operated with single-ended inputs. In addition to low operating power, the MAX1196 features a 3mA sleep mode as well as a 0.1µA power-down mode to conserve power during idle periods.

An internal 2.048V precision bandgap reference sets the full-scale range of the ADC. A flexible reference structure allows the use of this internal or an externally applied reference, if desired for applications requiring increased accuracy or a different input voltage range.

The MAX1196 features parallel, multiplexed, CMOS-compatible three-state outputs. The digital output format can be set to two's complement or straight offset binary through a single control pin. The device provides for a separate output power supply of 1.7V to 3.6V for flexible interfacing. The MAX1196 is available in a 7mm x 7mm, 48-pin TQFP package, and is specified for the extended industrial (-40°C to +85°C) temperature range.

See a parametric table of the complete family of pin-compatible, 8-bit high-speed ADCs.

For a 10-bit, pin-compatible upgrade, refer to the MAX1186 data sheet. With the N.C. pins of the MAX1196 internally pulled down to ground, this ADC becomes a drop-in replacement for the MAX1186.

Key Features

Applications/Uses

Single 2.7V to 3.6V Operation
Excellent Dynamic Performance
- 48.4dB/44.7dB SINAD at f_IN = 20MHz/200MHz
- 68.9dB/53dBc SFDR at f_IN = 20MHz/200MHz
-72dB Interchannel Crosstalk at f_IN = 20MHz
Low Power
- 87mW (Normal Operation)
- 9mW (Sleep Mode)
- 0.3µW (Shutdown Mode)
0.05dB Gain and ±0.05° Phase Matching
Wide ±1V_P-P Differential Analog Input Voltage Range
400MHz -3dB Input Bandwidth
On-Chip 2.048V Precision Bandgap Reference
User-Selectable Output Format—Two's Complement or Offset Binary
Pin-Compatible 8-Bit and 10-Bit Upgrades Available

	Baseband I/Q Sampling
	Battery-Powered Instrumentation
	Multichannel IF Sampling
	Set-Top Boxes
	Ultrasound and Medical Imaging
	VSAT Terminals
	WLAN, WWAN, WLL, MMDS Modems

Key Specifications: High-Speed ADCs (> 5Msps)

Part Number

Resolution (Bits)

Sample Rate (max) (Msps)

SFDR (dBc)

SINAD (dB)

SNR (dB)

THD (db)

INL (±LSB)

DNL (±LSB)

Full-Power BW (MHz)

Data Bus Interface

Ref. (V)

Input Channels

Input Range (V)

Supply Voltage (V)

EV-Kit

RoHS Available

Package

Smallest Available Package (max w/pins) (mm²)

Operating Temp. Range (°C)

Price^**

MAX1196

68.9

48.4

48.5

-69

0.3

0.15

400

µP/10

Ext
Int +2.048

±1.024

Yes

TQFP/48

-40 to +85

$4.95 @ 1k

See All High-Speed ADCs (> 5Msps) (81)

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.