TDA8025HN/C1,551 NXP Semiconductors, TDA8025HN/C1,551 Datasheet - Page 10
![IC SMART CARD INTERFACE 32-HVQFN](/photos/6/51/65170/568-32-hvqfn_sml.jpg)
TDA8025HN/C1,551
Manufacturer Part Number
TDA8025HN/C1,551
Description
IC SMART CARD INTERFACE 32-HVQFN
Manufacturer
NXP Semiconductors
Datasheet
1.TDA8025HNC1518.pdf
(38 pages)
Specifications of TDA8025HN/C1,551
Package / Case
32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
Controller Type
Smart Card Interface
Interface
Analog
Voltage - Supply
1.2V, 1.8V, 3V
Current - Supply
65mA
Operating Temperature
-25°C ~ 85°C
Mounting Type
Surface Mount
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 25 C
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
935286389551
NXP Semiconductors
TDA8025_1
Product data sheet
The voltage on PORADJ (V
where:
An activation can be triggered if
where
The resistance spread of R1 between a minimum value R1
R1
where
If R1 is the maximum spread of R1 and R2 is the maximum spread of R2 then:
where
Then
V
V
R1
R2
•
•
•
•
min
min
DD INTF
DD INTF actmin
max
max
min
=
V
ratio
V
where
same type).
DD(INTF)
th(max)
=
=
--------------- -
1
induces a spread of the ratio . This is also true for R2. Based on this:
=
=
+
------------------------ -
1
----------------------------------------------------------- -
1
1
R2
R1
+
+
R1
------ -
R2
-------------- -
-------------------------------------------------- -
R1
R1
R2
is the maximum rising external threshold voltage
R2
nom
1
nom
is the accuracy ratio of R1 and R2 (R1 and R2 are considered to be of the
is the interface supply voltage
max
nom
nom
min
–
+
V
=
th max
V
------------------- -
R2
1
R1
1
1
th max
+
–
min
=
=
Rev. 01 — 6 April 2009
-------------- -
R1
-------------- -
R2
R2
R1
R1
R2
nom
nom
V
PORADJ
nom
nom
DD INTF
=
1
1
) can be calculated as:
---------------------------------------------- -
1
–
+
+
-------------- -
R2
-------------- -
R1
R1
-------------------------------------
R2
V
------------------- -
R2
nom
R1
nom
nom
nom
th max
1
1 +
1 –
=
--------------------------------------- -
V
DD INTF actmin
V
min
PORADJ
V
th max
and a maximum value
=
TDA8025
© NXP B.V. 2009. All rights reserved.
IC card interface
V
DD INTF
10 of 38
(2)
(3)
(4)
(5)
(6)
(7)
(8)