ATA5275-PGQ ATMEL Corporation, ATA5275-PGQ Datasheet - Page 12

• Manufacturer Part Number: ATA5275-PGQ
• Description: 125 kHz Transmitter IC FOR TPM
• Manufacturer: ATMEL Corporation

7. Electrical Characteristics
12
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
Notes:
No.
3.4
3.5
4.1
4.2
4.3
4.4
4.5
4.6
5.1
5.2
5.3
5.4
5.5
5.6
6.1
6.2
6.3
6.4
4
5
6
1. 8 V < V(DVCC) < 24 V; -40 C <
2. Definition of DC
Parameters
Antenna peak under
current threshold
Antenna peak
overcurrent threshold
Oscillator and Phase Control
VCO initial frequency
VCO frequency
tracking range
Phase shift between
voltage at DRV and
zero crossing of
current through
SENSE
Phase control set-up
time
High frequency failure
threshold
Low frequency failure
threshold
DIO Interface
VDIO leakage current
DIO leakage current
DIO sink current
Output low level
Input low level
threshold
Input high level
threshold
Transmission Protocol
LF data baud rate
Anti-bouncing time for
activate half-bridge
Anti-bouncing time for
de-activate half-bridge
Acknowledge pulse
width
ATA5275 [Preliminary]
DRV
see
Test Conditions
0% NOM value = IA
RCR = 25 k
0% NOM value = IA
RCR = 25 k
Self oscillating mode =
half-bridge not
activated
Tracking frequency
mode = half-bridge
activated
Antenna resonance
frequency range =
100 kHz to150 kHz,
antenna quality = 5 to
50
-240 ns
+240 ns
Pin VDIO = 13.5 V,
Pin DIO = 13.5 V
T
Pin VDIO = 13.5 V,
Pin DIO = 13.5 V
T
I
100% = DVCC
100% = DVCC
DIO = H
for f
DIO = L
for f
DIO
amb
amb
“Application Hints” on page 13
VCO
VCO
= 20 mA
= 90°C
= 90°C
= 125 kHz
= 125 kHz
A
H,
L,
amb
(1)
< 105 C, unless otherwise specified; all values refer to GND
(Continued)
acc
acc
SENSE
SENSE
VDIO
DRV,
DRV,
DRV
DRV
DIO
DIO
DIO
DIO
DIO
Pin
I
Symbol
I
I
VDIO,STBY
V
V
CLK
DIO,LEAK
DIO,LIMIT
CLK
T
f
V
f
Bd
DIO,THL
DIO,TLH
IA
IA
T
VCOH
VCOL
T
T
setup
DIOL
ACK
DH
DL
UC
OV
A
RF
SO
TR
Min.
-120
115
150
-30
30
80
80
36
30
30
2
2
Typ.
125
160
256
-20
1.2
20
90
44
45
50
64
64
0
4
4
1
+120
Max.
135
200
160
200
105
200
-10
1.5
10
52
70
70
5
4
(VDIO)
(VDIO)
kbit/s
Unit
4739C–AUTO–02/05
kHz
kHz
kHz
kHz
mA
%V
%V
µA
µA
ns
µs
µs
µs
µs
%
%
V
Type*
C, D
A
A
A
B
B
D
A
A
A
A
A
A
A
A
B
B
B