Effective January 1st 2022, ICE Enterprises will increase all product prices by 20%. Market forces, both rising component cost and increasing material lead time, are requiring the first price adjustment in company history. This price increase will allow ICE Enterprises to continue to design and manufacture quality electronic hardware as has been the case for over two decades. ICE Enterprises will honor all current price quotes and accept orders at existing pricing through the end of December 2021.


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Analog to Digital Input Module
ICE-A2D-M14 Top
ICE-A2D-M14 Bottom

The ICE A2D-M14 is a 14-bit A/D module for use with the ICE-PIC5, ICE-PIC6, ICE-PIC7, and ICE-PIC8 series of high-speed interface cards. (The latter is recommended.)

Software selection allows for the use of an onboard clock synthesizer or direct clock input at a user desired sample rate. The onboard clock synthesizer uses a 10MHz reference from either an external source (J2) or via an onboard oscillator (TCXO).

The A2D-M14 module incorporates a variable gain input stage, which allows for real-time gain settings of -11dB to +20dB in 1dB steps and is user-software controlled. Additionally, the variable gain stage can be used to mute or to disable completely analog input to the A/D.

The use of external 10 MHz and 1 PPS reference signals allows for precision time stamping of digitized data with better than 2.5 nanosecond accuracy, independent of sample rate.


  • 14-bit resolution
  • 250 MSamp/sec (300 MSamp/sec on select units - call)
  • AC-coupled input
  • Analog input nominal 0 dBm
  • Maximum input +10 dBm (at minimum gain)
  • SFDR of 30 MHz tone at max sample rate is > 84 dB
  • 3dB sample and hold bandwidth 40 KHz - 405 MHz
  • External 1PPS input for precision time stamp of data
  • Single-site module for use with ICE-PIC series cards and ICEPOD subsystems


  • Multichannel, multimode receivers
  • Base station infrastructure
  • Single-channel digital receivers
  • Antenna array processing
  • Communications instrumentation
  • Radar, infrared imaging
  • Instrumentation


Input Specifications

Parameter Minimum Typical Maximum Units
Analog Input
0 dBm +5 dBm
Analog 3dB Passband 0.04

External Clock Input1 (AC-coupled) 0.5
V p-p
External Ref1 (AC-coupled)
V p-p
Analog Input Impedance
Sample Clock 402
250 MHz


  1. Operation using external reference of 10MHz replaces the external clock input. Sample clock is then generated from the 10MHz reference.
  2. Sample rates below 40 MSPS require decimation flag in module configuration.

Absolute Maximum Ratings

Parameter Value
5.0 VDC
DVcc 3.3 VDC
PPS Input 0 to 6 Vpeak into 50ohm
External Clock Input 0 to 6 Vpeak into 50ohm
Analog Input Power 10 dBm (50ohm ref)
Operating Temperature -10 to +65 °C
Storage Temperature -40 to +85 °C

WARNING: Operation of this module beyond any of these parameters may cause permanent damage. Exposure to absolute maximum ratings for extended periods may affect module reliability. Operation of the module beyond these specified parameters voids the factory warranty.

Example Plots

Single-Tone Performance of ICE-A2D-M14

  • Sample Rate (MHz): 250
  • Bits/Sample: 14
  • Typical SFDR: >84dB
  • ENOB: 13.7
A2dm14 wb 30MHz.png

Close in Phase Noise Performance of ICE-A2D-M14

A2dm14 nb 30MHz.png


Connector Manufacturer Part Number Description J-Number
Signal Connections
Analog In Rt. Angle SMA Connector J3
Clock or Reference In Emerson 131-1701-371 Rt. Angle SMB Connector J1
1 Pulse Per Second (PPS) In Emerson 131-1701-371 Rt. Angle SMB Connector J5
Board Connection
Data Connection Samtec QTE-020-03-F-DA 40-Pin Connector J2
Power Connection Standard 2-pin Header J4
Physical Connection
Standoff (2 each)

Physical Connection
Mating Connectors
SMB (J1, J5) Amp # 414946-1
Huber Suhner # 11SMB-50-2-40
Data (J2) Samtec QSE-020-01-F-D-A 40-Pin Connector

ICE Interface Cables

ICE-CAB-SB5 (for J1, J5) 5 ft. BNC to SMB cable
ICE-CAB-SMA (for J3) 5 ft. BNC to SMA cable

Connectors Diagram

ICE-A2D-m14-connectors-diagram 670x293-rev2.png


This model is in production. For pricing, please see the Pricing page.