ATA5278_06 ATMEL [ATMEL Corporation], ATA5278_06 Datasheet - Page 28

• Manufacturer Part Number: ATA5278_06
• Description: Stand-alone Antenna Driver
• Manufacturer: ATMEL [ATMEL Corporation]

7. Electrical Characteristics (Continued)
6.5V < V
of maximum output power, 28-V operation possible (jump start), but output current stability is not guaranteed in that case.
28
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
No.
3.1
3.2
3.3
3.4
3.5
3.6
3.7
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
3
4
BATT
Parameters
Antenna Driver Stage
High-side driver on
resistance
Low-side driver on
resistance
Switching delay from LS
to HS
Switching delay from HS
to LS
HS current limitation
LS current limitation
Bootstrap capacitor
clamping voltage
Current Sensing
Zero crossing detection
threshold
Zero crossing detection
delay
Shunt resistor over-
current detection level
Nominal operation
integrator source current
Nominal operation
integrator sink current
Integrator upper voltage
limiting current (sink)
Integrator lower voltage
limiting current (source)
Integrator current de-
pendency from antenna
current
Integrator current for
antenna current step 1
ATA5278
< 16.5V, T
amb
= 25°C unless otherwise specified. All values refer to GND pins. 6V possible with approximately 30% decrease
Test Conditions
V
V
I
T
V
I
T
Trans. between
20% and 80%
Trans. between
80% and 20%
V
V
R
V
R
V
I
Rising signal on
VSHUNT pin
Voltage jump on
VSHUNT pin from
–100 mV to
+100 mV
R
V
V
V
V
1250 mV
V
V
Current step 16,
V
1010 mV
Current step 1,
V
278 mV
DRV1
Load
CBOOST
amb
amb
VDS
CBOOST
VDS
VDS
VDS
VDS
VDS
CINT
VSHUNT
CINT
VSHUNT
CINT
CINT
VSHUNT,p
VSHUNT,p
Load
Load
SHUNT
= 200 mA
= 105°C
= 12V
= –200 mA
= 12V
= 26V
= 26V
= 0V
= 2.8V
= 1V
= 8.2
= 8.2
= 1.9V
= 1.9V
105°C
= 1
= 5 mA
= 750 mV
=
= 18V
=
=
4, 5
5, 9
Pin
11
11
11
11
11
11
5
5
5
5
6
8
8
8
Symbol
ILIMUP
V
I
I
R
I
R
I
I
I
I
INTSINK
LIMLOW
dI
INTSRC
QSCSC
LIM,HS
SMPL1
LIM,LS
max
BSOUT,
V
t
t
t
DS,HS
DS,LS
dLH
dHL
dZC
CINT
ZC
–0.834
Min.
220
–24
–70
600
1.1
2.0
2.3
75
16
40
8
8
Typ.
+1.11
Max.
1400
150
400
300
–16
140
–30
1.8
2.8
2.7
1.1
1.1
11
70
24
Unit
mV
4832C–RKE–02/06
µA
µA
µA
µA
µA
nA
ns
ns
ns
A
A
V
A
Type*
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A