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PDF HMXADC9225 Data sheet ( Hoja de datos )
| Número de pieza | HMXADC9225 | |
| Descripción | 20 MSPS Monolithic A/D Converter | |
| Fabricantes | Honeywell | |
| Logotipo |  |
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HMXADC9225
Radiation Hardened 12-Bit, 20 MSPS
Monolithic A/D Converter
The HMXADC9225 is a radiation hardened monolithic, single supply, 12-bit, 20
MSPS, analog-to-digital converter with an on-chip, high performance sample-and-
hold amplifier. The HMXADC9225 uses a multistage differential pipelined
architecture with output error correction logic to provide 12-bit accuracy at 20 MSPS
data rates, and guarantees no missing codes over the full operating temperature
range.
The HMXADC9225 is fabricated on a radiation hardened SOI-IV Silicon On Insulator
(SOI) process with very low power consumption.
The input of the HMXADC9225 allows for easy interfacing to space and military imaging, sensor, and communications
systems. With a truly differential input structure, the user can select a variety of input ranges and offsets including single-
ended applications. The dynamic performance is excellent.
The sample-and-hold amplifier (SHA) is well suited for both multiplexed systems that switch full-scale voltage levels in
successive channels and sampling single-channel inputs at frequencies up to and well beyond the Nyquist rate.
A single clock input is used to control all internal conversion cycles. The digital output data is presented in straight binary
output format.
FEATURES
Monolithic 12-Bit, 20 MSPS A/D Converter
Rad Hard: >500k Rad(Si) Total Dose
Single +5 V Analog Supply
Complete On-Chip S/H Amplifier
Straight Binary Output Data
5V or 3.3V Digital and I/O Supply
No Missing Codes Guaranteed
Differential Nonlinearity Error: 0.4 LSB
Signal-to-Noise and Distortion Ratio: 69.6 dB
Spurious-Free Dynamic Range: –81 dB
28-Lead Ceramic Flat Pack
Mixed Signal Rad Hard Process
The HMXADC9225 is fabricated on space qualified SOI
CMOS process. High-speed precision analog circuits
are now combined with high-density logic circuits that
can reliably withstand the harshest environments.
Space Qualified Package
The HMXADC9225 is packaged in a 28 lead ceramic flat
pack.
Low Power
The HMXADC9225 at 345 mW consumes a fraction of the
power of presently available in existing monolithic
solutions.
Output Enable (OE)
The OE input allows user to put the tri-state digital outputs
into a high impedance mode.
Dual Power Supply Capability
The HMXADC9225 uses a single +5 V power supply
simplifying system power supply design. It also features a
separate digital I/O power supply line to accommodate
3.3V and 5V logic families.
On-Chip Sample-and-Hold (SHA)
The versatile SHA input can be configured for either
single-ended or differential inputs.
1 page  
HMXADC9225
ABSOLUTE MAXIMUM RATINGS (AVDD = +5V, DRVDD = +5V, unless otherwise noted)
Parameters
Min
AVDD
DRVDD
AVSS
DRVSS
REFGND
CLK, OE
D1-D12
VINA, VINB
VREF
REFT, REFB
-0.3
-0.3
-0.3
Junction Temperature
NOTE: All voltages are with respect to VSS = 0V.
Max
6.5
6.5
6.5
6.5
6.5
6.5
6.5
+175
Units
Volts
Volts
Volts
Volts
Volts
Volts
Volts
Volts
Volts
Volts
°C
RECOMMENDED OPERATING CONDITIONS
Parameters
Min Typ
Max
AVDD
4.75 5
5.25
DRVDD (for 5V I/O operation) 4.75
5
5.25
DRVDD (for 3.3V I/O
operation)
3.0 3.3
3.6
AVSS
-0.3 0
DRVSS
-0.3 0
REFGND
CLK, OE
D1-D12
VINA, VINB
VREF
REFT, REFB
-0.3 0
DRVDD + 0.5
5.5
0.5 4.5
1.0 2.0
5.5
Operating Temperature (case) -55
+125
NOTE: All voltages are with respect to VSS = 0V.
Units
Volts
Volts
Volts
Volts
Volts
Volts
Volts
Volts
Volts
Volts
Volts
°C
ESD (Electrostatic Discharge) Sensitive
The HMXADC9225 is rated as Class I ESD. Proper ESD precautions should be taken to avoid degradation or damage
to the device.
5 www.honeywell.com/microelectronics
5 Page 
HMXADC9225
PACKAGE OUTLINE DIMENSIONS
ORDERING INFORMATION
H MX
ADC
9225
N
Z
H
PART TYPE
SCREEN LEVEL
PROCESS
M = Mixed Signal
PART NUMBER
Z = Class S\QML V Equivalent (1)
Y = Class B\QML Q Equivalent (1) TOTAL DOSE
X = SOI
E = Eng. Model
HARDNESS
Source
G = 5x105 rad (Si)
H = Honeywell
PACKAGE DESIGNATION
N = No Level Guaranteed
N = 28 Pin Flat Pack
(1) This is an equivelent screening flow but not QML qualified.
To learn more about Honeywell’s radiation hardened integrated circuit products and technologies, visit
www.honeywell.com/microelectronics.
Honeywell reserves the right to make changes to improve reliability, function or design. Honeywell does not assume any liability arising out of the
application or use of any product or circuit described herein; neither does it convey any license under its patent rights nor the rights of others.
Honeywell
12001 Highway 55
Plymouth, MN 55441
Tw1e1wl:w8.h0o0n-3e2y3w-e8l2l.9c5om/ microelectronics
Form #900313
August 2006
©2006 Honeywell International Inc.
www.honeywell.com/microelectronics
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet HMXADC9225.PDF ] | |
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