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TDA8029 Datasheet, PDF (47/59 Pages) NXP Semiconductors – Low power single card reader
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Philips Semiconductors
TDA8029
Low power single card reader
Table 75: Characteristics …continued
VDD = VDCIN = 3.3 V; Tamb = 25 °C; unless otherwise specified.
Symbol Parameter
Conditions
IDD(om)
Vth1
Vhys1
Vth2
supply current
operating mode
threshold voltage on
VDD (falling)
hysteresis on Vth1
threshold voltage on
pin CDEL
ICC = 65 mA; fXTAL = 20 MHz;
fCLK = 10 MHz; 5 V card;
VDD = 2.7 V
ICC = 50 mA; fXTAL = 20 MHz;
fCLK = 10 MHz; 3 V card;
VDD = 2.7 V
ICC = 50 mA; fXTAL = 20 MHz;
fCLK = 10 MHz; 3 V card;
VDD = 5 V
VCDEL
voltage on pin CDEL
ICDEL
output current at
CDEL
pin grounded (charge)
VCDEL = VDD (discharge)
CCDEL
capacitance value
tW(alarm) alarm pulse width
CCDEL = 22 nF
Crystal oscillator: pins XTAL1 and XTAL2
fXTAL
fext
crystal frequency
external frequency
applied on XTAL1
VIH
HIGH-level input
voltage on XTAL1
VIL
LOW-level input
voltage on XTAL1
DC-to-DC converter
fint
VVUP
oscillation frequency
voltage on pin VUP
5 V card
3 V card
Vdet
detection voltage on follower/doubler for 3 V card,
pin DCIN for × 2/× 3 doubler/tripler for 5 V card
selection
Reset output to the card pin: RST
VO(inactive) output voltage in
inactive mode
IO(inactive)
VOL
current from RST
LOW-level output
voltage
no load
IO(inactive) = 1 mA
inactive and pin grounded
IOL = 200 µA
VOH
HIGH-level output
IOH = −200 µA
voltage
tr
rise time
tf
fall time
CL = 250 pF
CL = 250 pF
Min
-
-
-
2.15
50
-
-
-
-
1
-
4
0
0.7VDD
−0.3
2
-
-
3.4
0
0
0
0
0.9VCC
-
-
9397 750 14145
Product data sheet
Rev. 03 — 22 February 2005
Typ
-
-
-
-
-
1.25
-
−2
2
-
10
-
-
-
-
Max
Unit
250
mA
125
mA
65
mA
2.45
V
170
mV
-
V
VDD + 0.3 V
-
µA
-
mA
-
nF
-
ms
25
MHz
27
MHz
VDD + 0.2 V
0.3VDD
V
2.6
3.2
MHz
5.7
-
V
4.1
-
V
3.5
3.6
V
-
0.1
V
-
0.3
V
-
−1
mA
-
0.2
V
-
VCC
V
-
0.1
µs
-
0.1
µs
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
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