MAX9921AUB+ Maxim Integrated Products, MAX9921AUB+ Datasheet - Page 3

• Manufacturer Part Number: MAX9921AUB+
• Description: IC SENSOR HALL EFFECT 10-MSOP
• Manufacturer: Maxim Integrated Products
• Type: Hall Effect Sensorr

Specifications of MAX9921AUB+

• Input Type: Voltage
• Output Type: Logic
• Interface: 2-Wire
• Current - Supply: 1.3mA
• Mounting Type: Surface Mount
• Package / Case: 10-MSOP, Micro10™, 10-uMAX, 10-uSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

DC ELECTRICAL CHARACTERISTICS (continued)
(V
to +125°C, unless otherwise noted. Typical values are at T
AC TIMING CHARACTERISTICS
(V
to +125°C, unless otherwise noted. Typical values are at T
Note 1: All DC specifications are 100% tested at T
Note 2: C
Note 3: These blanking times apply when the MAX9921 is operating in normal mode. Blanking times following power-up or startup
Note 4: The following AC parameters change with the value of R
LOGIC I/O (OUT1, OUT2, ERR, DIAG, and OE)
Output Voltage Low (ERR, OUT1,
OUT2)
Three-State Output Current (ERR,
OUT1, OUT2)
Input-Voltage High (DIAG, OE)
Input-Voltage Low (DIAG, OE)
Input Resi stance to GN D ( D IAG, OE )
IN1, IN2 Blanking Time at Hall
Switch Power-Up
IN1, IN2 Current Ramp Rate
After Turn-On
Delay from IN_ to OUT_ (Filter
Delay)
Delay from IN_ Fault to ERR
Delay from DIAG High to
OUT_ and ERR
Delay from DIAG Low to OUT_
and ERR
Delay Difference Between
Rising and Falling Edges for
Both Channels
Delay Difference Between
Channels
Maximum Frequency on Hall
Inputs
IN_ Pulse Length Rejected by
Filter to OUT_
BAT
BAT
= 13.6V, V
= 13.6V, V
anteed by design.
from shutdown mode are 20µs longer.
R
its for t BL and f MAX apply for both resistor values.
PARAMETER
ISET
L
PARAMETER
is external load capacitance on the outputs for test only.
= 63.4kΩ. The parameters t
DIAG
DIAG
Dual, 2-Wire Hall-Effect Sensor Interface
_______________________________________________________________________________________
= 0, V
= 0, V
OE
OE
= 5V, IN1 = IN2 = no connection, R
= 5V, IN1 = IN2 = no connection, R
SYMBOL
t
RAMP
f
SYMBOL
t
t
t
t
t
MAX
ERR
DLH
DHL
t
t
DEL
P
DM
CC
BL
R
V
R
I
V
V
OZ
OL
IH
IL
IN
RAMP
I
500mV until OUT_ high, C
V
From I
Figure 1
From I
only, C
Rising edge of DIAG to falling or rising edge
of outputs, C
Falling edge of DIAG to falling or rising edge
of outputs, C
C
I
C
I
C
I
Figure 2
and f
IH
IL
IL
IL
IN
HALL-BYPASS
HALL-BYPASS
HALL-BYPASS
Sink current = 1mA
V
= -7.2mA, C
= -7.2mA, C
= -7.2mA, C
A
OE
= -11.5mA to GND, time from V
= GND
= +25°C. AC specifications and specifications over -40°C to +125°C are guar-
MAX
IH
IL
= 0V, 0 ≤ V
L
to I
= 20pF, Figure 1
to I
increase 8%, and t
A
A
SC
= +25°C.) (Note 1)
= +25°C.) (Notes 1, 2, and 4)
IL
L
L
or from I
= 20pF, Figure 1
= 20pF, Figure 1
or from I
= 0.01µF, I
L
= 0.01µF, I
L
= 0.01µF, I
L
CONDITIONS
= 20pF
= 20pF
= 20pF
ISET
CONDITIONS
OUT_
ISET
ISET
: t
IL
BL
≤ 5V
IH
= 63.4kΩ, R
= 63.4kΩ, R
to I
, t
to I
L
IH
IH
IH
RAMP
= 20pF (Note 3)
IH
= -11.5mA and
= -11.5mA and
= -11.5mA and
OC,
DEL
, C
, t
L
falling edge
and P
DEL
IN_
= 20pF,
PU
PU
, f
=
with Diagnostics
R
= 10kΩ at ERR, OUT1 and OUT2, T
= 10kΩ at ERR, OUT1 and OUT2, T
MAX
decrease 8% with R
, and P
MIN
MIN
2.1
50
50
50
R
. The typ values given are for
TYP
TYP
350
100
3.8
6.5
1.6
5.5
80
31
20
ISET
= 59.0kΩ. The lim-
MAX
MAX
140
0.4
0.8
±1
A
A
UNITS
UNITS
= -40°C
= -40°C
mA/µs
kHz
kΩ
µA
µs
µs
ns
ns
µs
ns
ns
µs
V
V
V
3