TDA8034HN/C1,118 NXP Semiconductors, TDA8034HN/C1,118 Datasheet - Page 6

• Manufacturer Part Number: TDA8034HN/C1,118
• Description: IC SMARD CARD INTERFACE 24HVQFN
• Manufacturer: NXP Semiconductors

Specifications of TDA8034HN/C1,118

• Controller Type: Smart Card Interface
• Interface: Analog
• Voltage - Supply: 1.8V, 3V, 5V
• Current - Supply: 65mA
• Operating Temperature: -25°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-VQFN Exposed Pad, 24-HVQFN, 24-SQFN, 24-DHVQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

NXP Semiconductors
TDA8034HN
Product data sheet
8.2 Voltage supervisor
The voltage supervisor monitors the voltage of the V
providing both Power-On Reset (POR) and supply drop-out detection during a card
session. The supervisor threshold voltages for V
V
inactive irrespective of the command line levels. After V
V
sent to a digital controller in order to reset the TDA8034HN. This defined reset pulse of
approximately 8 ms, i.e. (t
the Shutdown mode during the supply voltage power on; see
sequence is performed when either V
Remark: f
parameter.
Fig 3.
Fig 4.
DD(INTF)
th
+ V
(internal signal)
hys
V
ALARMN
externally by pin PORADJ. As long as V
Voltage supervisor circuit
Voltage supervisor waveforms
, the IC remains inactive for the duration of t
th
osc(int)low
+ V
V
V
hys
DD
th
All information provided in this document is subject to legal disclaimers.
V
is the low frequency (or inactive) mode of the defined f
DD(INTF)
Rev. 3.0. — 17 January 2011
VCC_SEL2
R1
R2
PORADJ
V
w
V
DDP
DD
= 1024 ×
power on
t
w
1
DD
∨
fosc(int)low
, V
DDP
or V
), is used internally to maintain the IC in
DDP
REFERENCE
DD
VOLTAGE
DD(INTF)
is less than V
DDP
supply dropout
V
and V
DD
w
DD
. The output of the supervisor is
, V
has reached a level higher than
DD
DD
falls below V
t
w
Figure
are set internally, and for
and V
TDA8034HN
001aal138
th
+ V
Smart card interface
DD(INTF)
4. A deactivation
hys
© NXP B.V. 2011. All rights reserved.
th
, the IC remains
.
osc(int)
power off
supplies
001aak993
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