HT574 Honeywell, HT574 Datasheet - Page 2

• Manufacturer Part Number: HT574
• Description: HIGH TEMPERATURE UP COMPATIBLE 12-BIT A/D CONVERTER
• Manufacturer: Honeywell

HT574
FUNCTIONAL DIAGRAM
PINOUT DIAGRAM
10
11
12
13
14
1
2
3
4
5
6
7
8
9
VREF_OUT
VREF_IN
BIP_OFF
12_N8
R_NC
20V_IN
10V_IN
VLOGIC (+5V)
NCS
Ao
CE
VDD (+10V)
VREF_OUT
AGND
BIP_OFF
10V_IN
VREF_IN
VTRIM
20V_IN
VTRIM
(5.0V)
12_N8
(5.0V)
R_NC
NCS
CE
Ao
2
3
4
5
6
8
10
14
13
12
1
CONTROL
2.5K VREF = 5V
10K
5K
5K
TIMING
REF
&
DGND
DB11
DB10
STS
DB8
(0 TO 5V)
DB6
DB0
DB9
DB7
DB5
DB4
DB3
DB2
+10V
DB1
VBG
10µF//0.1µF
7
OSC
28
27
26
25
24
23
22
21
20
19
18
17
16
15
9
CAPACITOR
12-BIT
NAME
NCS
Ao
VDD
VREF_OUT
AGND
VREF_IN
BIP_OFF
VLOGIC
12_N8
R_NC
CE
VTRIM
10V_IN
20V_IN
DGND
DB0:11
STS
DAC
2
COMP
15
1µF
Data Mode Select (1 = 12 bits; 0 = 8 bits)
Chip Select (Active Low)
Analog Supply (10V)
Reference Output (5 V)
Trims Vref-out
Digital Supply (5V)
Byte Size Select
Read/Convert (1 = Read; 0 = Convert)
Chip Enable (Active High)
Analog Ground
Reference Input
10 Volt Analog Input
20 Volt Analog Input
Digital Ground
12-Bit Digital Output
(DB11 = MSB, DB0 = LSB)
Status
Bipolar Offset
+5V
1
FUNCTION
28
27
26
25
24
23
22
21
20
19
18
17
16
STS
DB11 MSB
DB10
DB9
DB8
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0 LSB