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LTC2966HSW#PBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20
LTC2966
4
2966fb
For more information www.linear.com/LTC2966
TYPICAL PERFORMANCE CHARACTERISTICS
V
REF
vs Load Current V
REF
vs V
INA(B)
% Range Error vs Temperature
Comparator V
OS
vs Temperature
Supply Current vs V
INA(B)
V
REF
vs TemperatureV
INB
Pin Current vs V
INB
LOAD CURRENT (mA)
0
V
REF
(V)
2.400
2.425
1.6
2966 G04
2.375
2.350
0.4
0.8
1.2
2.0
2.450
–45°C
25°C
90°C
125°C
V
IN
= 3.5V
V
INA
(V)
2.7
V
REF
(V)
2.400
2.425
3.7
2966 G05
2.375
2.350
3.0
3.2
3.5
4.0
2.450
1µA
100µA
1mA
25°C
TEMPERATURE (°C)
–50
–0.4
RANGE ERROR, AV
ERR
(%)
–0.2
0
0.2
0.4
–25 0 25 50
2966 G06
75 100 125 150
5x
10x
20x
40x
TEMPERATURE (°C)
–50
–1500
V
OS
(µV)
–1000
–500
0
500
0 50
100
150
2966 G07
1000
1500
–25 25
75
125
V
INH(L)
= 1.2V
V
IN
Falling Propagation Delay
vs % Overdrive
Built-In Hysteresis
vs Temperature
% OVERDRIVE (%)
0.1
0
PROPAGATION DELAY, t
PD
(µs)
75
100
125
V
INL
= 1.2V
V
INH
= GND
V
IN
= 12V
1 10 100
2966 G08
50
25
–45°C
25°C
90°C
125°C
TEMPERATURE (°C)
–50
16
|BUILT-IN HYSTERESIS| V
HYS
(mV)
18
20
22
24
28
0 50
2966 G09
100 150
26
V
INH(L)
= 1.2V
V
INA
(V)
0
0
I
VA(B)
(µA)
2
4
6
8
10
12
20 40 60 80
2966 G01
100
–45°C
25°C
90°C
125°C
RANGE = 40x
OUTA(B) = LOW
V
INB(A)
= GND
I
REF
= 0µA
V
INB
(V)
0
I
VB
(µA)
1.5
2.0
2.5
80
2966 G02
1.0
0.5
0
20
40
60
100
–45°C
25°C
90°C
125°C
RANGE = 40x
OUTA(B) = LOW
V
INA
= 5V
I
REF
= 0µA
TEMPERATURE (°C)
–50
V
REF
(V)
2.400
2.396
2.404
2.408
75 100 125
2966 G03
2.392
2.388
–25
0 25
50
150
2.412
I = –10µA
LTC2966
5
2966fb
For more information www.linear.com/LTC2966
TYPICAL PERFORMANCE CHARACTERISTICS
Voltage Output High vs Pull-Down
Current (OUTA/OUTB)
Voltage Output Low vs Pull-Up
Current (OUTA/OUTB)
Voltage Output High
vs Input Voltage
PULL-DOWN CURRENT (µA)
0
V
OH
(V)
2
3
–12
2966 G10
1
0
–3
–6
–9
4
V
IN
= 12V
–45°C
25°C
90°C
125°C
PULL-UP CURRENT (mA)
0
0
V
OL
(V)
0.25
0.50
0.75
1.00
1.25
1.50
1 2 3 4
2966 G11
5
–45°C
25°C
90°C
125°C
V
IN
= 12V
V
IN
(V)
3
1.7
V
OH
(V)
2.0
2.3
2.6
2.9
3.2
3.5
4 5 6 7
2966 G12
8
I = –1µA
PIN FUNCTIONS
Exposed Pad (UD16 Only): Exposed pad may be left float-
ing or connected to device ground.
GND:
Device Ground.
INHA: Channel A High Comparator Reference Input . Voltage
on this pin is multiplied by the configured range setting
to set the V
INA
high or rising threshold. Keep within valid
voltage range, V
CM
, or tie to GND to configure built-in
hysteresis where high threshold for V
INA
becomes INLA
+ V
HYS
scaled according to the RS pin configuration.
INHB: Channel B High Comparator Reference Input . Voltage
on this pin is multiplied by the configured range setting
to set the V
INB
high or rising threshold. Keep within valid
voltage range, V
CM
, or tie to GND to configure built-in
hysteresis where high threshold for V
INB
becomes INLB
+ V
HYS
scaled according to the RS pin configuration.
INLA: Channel A Low Comparator Reference Input. Voltage
on this pin is multiplied by the configured range setting
to set the V
INA
low or falling threshold. Keep within valid
voltage range, V
CM
, or tie to GND to configure built-in
hysteresis where low threshold becomes INHA – V
HYS
scaled according to the RS pin configuration. Otherwise,
INHA-INLA sets the hysteresis of the Channel A compara-
tor. Oscillation will occur if INLA >
INHA unless built-in
hysteresis is enabled.
INLB: Channel B Low Comparator Reference Input . Voltage
on this pin is multiplied by the configured range setting
to set the V
INB
low or falling threshold. Keep within valid
voltage range, V
CM
, or tie to GND to configure built-in
hysteresis where low threshold becomes INHB – V
HYS
scaled according to the RS pin configuration. Otherwise,
INHB-INLB sets the hysteresis of the Channel B compara
-
tor. Oscillation will occur if INLB > INHB unless built-in
hysteresis is enabled.
OUTA: Channel A Comparator Output. OUTA consists
of a high voltage active pull-down and a gated, resistive
(500kΩ) pull-up to an internally generated supply between
3.5V and 5V depending on input supply voltage. Blocking
circuitry at the pin allows the pin to be resistively pulled
up to voltages as high as 100V without back conducting
onto the internal supply of the part. Polarity with respect
to the V
INA
pin is configured using the polarity select pin,
PSA. OUTA pulls low when the part is in UVLO.
LTC2966
6
2966fb
For more information www.linear.com/LTC2966
PIN FUNCTIONS
OUTB: Channel B Comparator Output. OUTB consists
of a high voltage active pull-down and a gated, resistive
(500kΩ) pull-up to an internally generated supply between
3.5V and 5V depending on input supply voltage. Blocking
circuitry at the pin allows the pin to be resistively pulled
up to voltages as high as 100V without back conducting
onto the internal supply of the part. Polarity with respect
to the V
INB
pin is configured using the polarity select pin,
PSB. OUTB pulls low when the part is in UVLO.
PSA: Channel A Polarity Selection. Connect to REF or a
voltage >V
TH
to configure comparator output to be invert-
ing with respect to V
INA
. Otherwise connect pin to GND
to configure comparator output to be noninverting with
respect to V
INA
.
PSB: Channel B Polarity Selection. Connect to REF or a
voltage >V
TH
to configure comparator output to be invert-
ing with respect to V
INB
. Otherwise connect pin to GND
to configure comparator output to be noninverting with
respect to V
INB
.
REF: Reference Output. V
REF
with respect to GND. Use a
maximum of 1nF to bypass unless damping resistor is used.
RS1A-RS2A: Channel A Range Select Input. RS1A-RS2A
select 5x, 10x, 20x or 40x range for Channel A. Connect
to REF or GND to configure the pin. (See Table 1)
RS1B-RS2B: Channel B Range Select Input. RS1B-RS2B
select 5x, 10x, 20x or 40x range for Channel B. Connect
to REF or GND to configure the pin. (See Table 1)
V
INA
, V
INB
: Voltage Monitor and Supply Inputs. An internal
high value resistive divider is connected to the pin. The
greater of V
INA
and V
INB
is used to generate an internal
voltage rail with priority given to V
INA
. If both V
INA
and
V
INB
fall below the UVLO threshold minus hysteresis, the
outputs are pulled low. If V
INB
< V
INA
< 1.2V, the logic
state of the outputs cannot be guaranteed.
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20

LTC2966HSW#PBF

Mfr. #:
Buy LTC2966HSW#PBF
Manufacturer:
Analog Devices Inc.
Description:
Supervisory Circuits 100V Dual Micropower Voltage Monitor
Lifecycle:
New from this manufacturer.
Delivery:
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