max9927aee Maxim Integrated Products, Inc., max9927aee Datasheet - Page 3

• Manufacturer Part Number: max9927aee
• Description: Variable Reluctance Sensor Interfaces With Differential Input And Adaptive Peak Threshold
• Manufacturer: Maxim Integrated Products, Inc.

ELECTRICAL CHARACTERISTICS (continued)
(V
50pF. T
INPUT DIFFERENTIAL AMPLIFIER (MAX9924/MAX9926)
Input Voltage Range
Differential Common-Mode
Rejection Ratio
Input Resistance
ADAPTIVE PEAK DETECTION
Fixed and Adaptive Peak
Threshold
Watchdog Timeout for Adaptive
Peak Threshold
ENTIRE SYSTEM
Zero-Crossing Threshold
Comparator Output Low Voltage
Propagation Delay
COUT Transition Time
Propagation Delay Jitter
EXT
EXT Voltage Range
Input Current to EXT
CC
Differential Input and Adaptive Peak Threshold
= 5V, V
A
= T
PARAMETER
Variable Reluctance Sensor Interfaces with
MIN
GND
to T
= 0, MAX9925/MAX9927 gain setting = 1V/V, Mode A1, V
MAX
_______________________________________________________________________________________
, unless otherwise noted. Typical values are at T
V
V
ZERO_THRESH
V
MIN-THRESH
V
t
SYMBOL
PD-JITTER
IN+, IN-
ADAPTIVE
COUT_OL
CMRR
t
HL-LH
V
t
t
I
t
R
PDA
PDZ
EXT
WD
EXT
IN
Guaranteed by CMRR
(Note 5)
(Note 5)
Adaptive peak threshold
Minimum threshold of hysteresis
comparator MAX9924/MAX9926
(Notes 5, 6)
Minimum threshold of hysteresis
comparator MAX9925/MAX9927
(Notes 5, 6)
V
MAX9924/MAX9926 (Notes 3, 4)
V
MAX9925/MAX9927 (Notes 3, 4)
Timing window to reset the adaptive
peak threshold if not triggered (input
level below threshold)
Mode B operation (Notes 5, 6)
Overdrive = 2V to 3V, zero-crossing
Overdrive = 2V to 3V, adaptive peak
Includes noise of differential amplifier
and comparator, f = 10kHz,
V
Mode B, T
Mode C, T
MIN-THRESH
MIN-THRESH
IN
= 1V
P-P
A
A
= +125°C
sine wave
= +125°C
CONDITIONS
- V
- V
ZERO-THRESH
ZERO-THRESH
A
= +25°C.) (Note 2)
BIAS
= 2.5V, V
for
for
PULLUP
MIN
0.12
-0.3
-6.5
1.5
60
65
21
22
45
4
7
= 5V, R
TYP
100
150
87
33
15
30
85
50
20
PULLUP
0
2
V
= 1kΩ, C
MAX
+6.5
- 1.1
- 1.1
V
V
135
140
CC
0.3
0.2
30
43
26
42
10
CC
CC
+
UNITS
COUT
%PK
mV
mV
ms
dB
kΩ
µA
ns
ns
ns
V
V
V
3
=