
8
HT574
900177 Rev. B
4-98
Helping You Control Your World
Honeywell reserves the right to make changes to any products or technology herein 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.
VDD to Analog Common...........................................................................................................................0V to +12.5V
VLOGIC to Digital Common ...........................................................................................................................0V to +7V
Analog Common to Digital Common.......................................................................................................................
±
1V
Control Inputs (CE, NCS, 12_N8, Ao, R_NS) to Digital Common............................................ -0.5V to VLOGIC +0.5V
Analog Inputs (VREF_IN, BIP_OFF, 10V_IN) to Analog Common....................................................................
±
12.5V
20V_IN to Analog Common ..................................................................................................................................
±
24V
VREF_OUT ............................................................................................................... Indefinite Short Circuit to Ground
Power Dissipation ........................................................................................................................................... 1000mW
Storage Temperature .............................................................................................................................. -65 to +325
°
C
Lead Temperature (Attachment, 10 sec.) ............................................................................................................355
°
C
ESD Protection.................................................................................................................................................... 2000V
ABSOLUTE MAXIMUM RATINGS (1)
(1) Stresses in excess of those listed above may result in permanent damage. These are stress ratings only, and operation at these levels is not implied.
Frequent or extended exposure to absolute maximum conditions may effect device reliability.
TRUTH TABLE FOR HT574 CONTROL
Case
CE
NCS
R_NC
12_N8
A0
Operation
1
2
3
4
5
6
7
8
9
10
11
X
1
0
0
0
0
0
0
0
0
X
1
1
1
1
1
1
1
X
X
0
0
0
0
1
1
1
X
X
X
X
X
X
X
X
1
0
0
X
X
0
1
0
1
0
1
X
0
1
None
None
Initiate 12 Bit Conversion
Enable 12 Bit Output
Enable 8 MSB's Only
Enable 4 LSB's + 4 Trailing Zero's
Initiate 8 Bit Conversion
Initiate 12 Bit Conversion
Initiate 8 Bit Conversion
Initiate 12 Bit Conversion
Initiate 8 Bit Conversion
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visit our web site at http://www.ssec.honeywell.com