lx1670 Microsemi Corporation, lx1670 Datasheet - Page 3

• Manufacturer Part Number: lx1670
• Description: 5 - Bit Programmable Votage Reference
• Manufacturer: Microsemi Corporation

Copyright © 1997
Rev. 1.0
(Unless otherwise specified, these specifications apply over the operating ambient temperatures for LX1670C with 0°C
10.8V < V
positive. Current maximums are currents with the highest possible value.)
Power Supply Current and Power Section
Positive 12V Supply Current
Digital-to-Analog Converter Section
Voltage Set Point Accuracy
LSB
Coding
Under-Voltage Lockout Section
Power-up Reset
Threshold
Hysteresis
Under/Over-Voltage Comparator Section
Percent of VIDO Threshold
P
Over-Voltage Protection Comparator Section
Percent of VIDO Threshold
OVP Sourcing Current
OVP Output Low
TTL Inputs Section
Input Low Voltage
Input High Voltage
Input Low Current
Input High Current
Open Drain Inputs Section
Input Low Current
Input High Voltage
GOOD
7/97
Low Voltage
CC
< 13.2V, D0-D3 = Open, D4 = Open, ENABLE = 1, BLKEN = 1. Nominal conditions: V
Parameter
(D0-D3, D4)
P R O D U C T D A T A B O O K 1 9 9 6 / 1 9 9 7
5 - B
Symbol
UVLOH
UOVTH
OVPTH
UVLOT
VLOVP
VSPA
IOVP
VSTP
VLG
V
V
V
I
V
I
(Includes DAC, I-V Converter and output scaling amplifier. R
I
I
CC
RES
IH
IL
IL
I T
IH
IH
IL
P
E L E C T R I C A L C H A R A C T E R I S T I C S
R O D U C T I O N
P
D0-D3 = X, D4 = Open, 2.00
All outputs, inputs unloaded
D0-D3 = X, D4 = GND, 1.80
D4 = Open
D4 = GND
Binary, D0 = LSB, D3 = MSB
I
V
V
I
OVP = 3.0V
IOVP = 100µA
V
V
Pin Ground
Pin Open
GOOD
GOOD
R O G R A M M A B L E
CC
CC
IL
IH
= 0.8V
= 2.0V
= 5V, Supply ramping down
= 5V, Supply ramping up
= 5mA
= 5mA
Test Conditions
D
V
A T A
O L T A G E
VIDO
VIDO
2.05V
S
3.50V
R
H E E T
E F E R E N C E
LOAD
CC
> 1k, C
= 12.0V, T = 25°C. Currents flowing into chip are
LOAD
< 100pF)
4.27
±5.5
Min.
-1.0
-1.5
-20
2.0
10
T
A
LX1670
-37.5
Typ.
4.37
70°C ;
100
0.2
-10
2.0
50
50
±7
15
5
0
LX1670
±8.5
Max.
4.47
100
1.0
1.5
1.0
0.4
0.8
20
Units
mA
mA
mV
mV
mV
mV
µA
µA
µA
%
%
%
%
V
V
V
V
V
V
3