TDA8023 Datasheet, PDF (25/32 Pages) NXP Semiconductors – Low power IC card interface

NXP Semiconductors
TDA8023
Low power IC card interface
IC2
HOST
CONTROLLER
V_DD
GND
INT
SDA
SCL
CLKout
I/OAUX
V_DD
R3
10 kΩ
V_DD
C20
100 nF
4.7 kΩ
4.7 kΩ
V_DD
VUP
1
INT ₂
IC1
SAP
28
27 ^SBP
D1
BAT54
SDWN
3
V_{DDI 4}
SDA ₅
26 ^VDDP
SBM
25
24 ^GNDP
L1
6.8 µH
SCL
6
SAM
23
SAD0
7
22 ^VDD
SPRES
TDA8023TT
8
21
CDEL
CLKIN ₉
20 ^PORADJ
GND
10
PRES
19
I/OUC
11
RST
18
C8 ₁₂
17 ^VCC
C4
13
CLK
16
I/O
14
GNDC
15
C8
4.7 µF
16 V
C16(1)
100 nF
V_DD
C15
100 nF
CDEL
22 nF
V_DD
P1
10 kΩ
C29
100 nF
C13(2)
68 nF
C18(1)
100 nF
CARD READER
normally open
C5I C1I
C6I C2I
C7I C3I
C8I C4I
K1
K2
V_DD
001aag342
(1) Low-ESR capacitor, placed near the IC.
(2) Low-ESR capacitor, placed near the C1 contact.
Fig 9. Application diagram: typical TDA8023TT application with inductive DC-to-DC converter
TDA8023_1
Product data sheet
Rev. 01 — 16 July 2007
© NXP B.V. 2007. All rights reserved.
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