參數(shù)資料
型號(hào): LX1670CDT
廠商: MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: VID CONTROLLER
中文描述: 1-OUTPUT THREE TERM VOLTAGE REFERENCE, PDSO14
封裝: PLASTIC, SOIC-14
文件頁(yè)數(shù): 3/7頁(yè)
文件大?。?/td> 192K
代理商: LX1670CDT
5-B
I T
P
R O G R A M M A B L E
V
OLTAGE
R
EFERENCE
LX1670
P R O D U C T D A T A B O O K 1 9 9 6 / 1 9 9 7
3
Copyright 1997
Rev. 1.0 7/97
P
R O D U C T I O N
D
A T A
S
H E E T
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
(Unless otherwise specified, these specifications apply over the operating ambient temperatures for LX1670C with 0°C
T
70°C ;
10.8V < V
< 13.2V, D0-D3 = Open, D4 = Open, ENABLE = 1, BLKEN = 1. Nominal conditions: V
CC
= 12.0V, T = 25°C. Currents flowing into chip are
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
Parameter
Symbol
Test Conditions
I
CC
(Includes DAC, I-V Converter and output scaling amplifier. R
LOAD
> 1k, C
LOAD
< 100pF)
All outputs, inputs unloaded
Units
5
mA
VSPA
D0-D3 = X, D4 = Open, 2.00
VIDO
3.50V
D0-D3 = X, D4 = GND, 1.80
VIDO
2.05V
D4 = Open
D4 = GND
Binary, D0 = LSB, D3 = MSB
LSB
VSTP
Coding
Under-Voltage Lockout Section
Power-up Reset
Threshold
Hysteresis
Percent of VIDO Threshold
OVP Sourcing Current
OVP Output Low
TTL Inputs Section
OVPTH
IOVP
VLOVP
OVP = 3.0V
IOVP = 100μA
Under/Over-Voltage Comparator Section
Percent of VIDO Threshold
P
GOOD
Low Voltage
Over-Voltage Protection Comparator Section
UOVTH
VLG
I
GOOD
= 5mA
V
RES
UVLOT
UVLOH
I
GOOD
= 5mA
V
CC
= 5V, Supply ramping down
V
CC
= 5V, Supply ramping up
LX1670
Typ.
Min.
Max.
-1.0
-1.5
1.0
1.5
%
%
mV
mV
100
50
1.0
4.47
V
V
4.27
4.37
50
mV
±5.5
±7
0.2
±8.5
0.4
%
V
10
-20
15
20
%
mA
mV
100
Input Low Voltage
Input High Voltage
Input Low Current
Input High Current
Open Drain Inputs Section
Input Low Current
Input High Voltage
V
IL
V
IH
I
IL
I
IH
V
IL
= 0.8V
V
IH
= 2.0V
0.8
V
V
2.0
-10
0
μA
μA
-37.5
2.0
μA
V
I
IL
V
IH
Pin Ground
Pin Open
(D0-D3, D4)
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