Technical specifications – MagTek TRIPLE TRACK Delta ASIC User Manual
Page 17
Triple Track ASIC
13
Technical Specifications
Electrical
Parameter
Conditions (-40
°C to +85°C)
Value Units
V
DD
Operating Min
2.8
V
V
DD
Operating Max
5.5
V
V
DD
Absolute Max
6.0
V
V
DD
= 3.3 V
4
mA
I
DD
Operating Max
V
DD
= 5.5 V
8.5
mA
I
DD
Sleep Max
V
DD
= 2.8 V to 5.5 V
60
μA
V
OL
Max
V
DD
= 2.8 V
I
OL
= 1.5 mA
0.40
V
V
OH
Min
V
DD
= 2.8 V
I
OL
= -2 mA
2.30
V
V
IL
Max
V
DD
= 2.8 V
0.4
V
V
IH
Min
V
DD
= 2.8 V
2.3
V
I
IN
Max Leakage
V
DD
= 2.8 V to 5.5V; V
IN
= 0 V to V
DD
; STROBE pin
+/-10
μA
C
LOAD
Max
V
DD
= 2.8 V to 5.5V; HEAD COMMON pin
20
pF
Head Inductance
Recommended
@ 1kHz
100
mH
Head Inductance Max
@ 1kHz
200
mH
Head Sensitivity Min
Pk-to-Pk amplitude; ISO 7811 100% reference; no head load
1.1
mV/cm/s
Head Sensitivity Max
Pk-to-Pk amplitude; ISO 7811 100% reference; no head load
2.0
mV/cm/s
Head Resistance Max
(DC)
500
Ω
Head Track Width Min
800
μm
Head Gap Length Max
35
μm
Resistance from
HEAD_COMMON
to GND Min*
Measured at a 5V potential
10
M
Ω
Resistance from
HEAD_A/B/C to
GND Min*
Measured at a 5V potential
10
M
Ω
Resistive load of Head
Max*
This load is varied as the chip operates. Additional loading
must not be introduced.
130
k
Ω
*
These specifications are provided to quantify how isolated the magnetic head must be in the event that
contaminants, such as from soldering wires to the head, leave unwanted conductive paths between the
head pins and ground.
Mechanical
For details concerning this package vi
Environmental
Storage Environment
Temperature
-55
°
C to +125
°
C
Relative Humidity
10% to 95% non-condensing
Operating Environment
Temperature
-40
°
C to +85
°
C
Relative Humidity
10% to 90% non-condensing