File ata5283

10
ATA5283 [Preliminary]
4598D–AUTO–03/04
1.4
Supply current with carrier
(AGC active) -40
1,2,
3, 8
I
DD
2
4.0 µA A
Supply current with carrier
(AGC active) +25
4.1 µA A
Supply current with carrier
(AGC active) +85
4.2 µA C
Supply current with carrier
(AGC active) +105
4.2 µA A
Supply current with carrier
(AGC active) +125
4.2 µA C
1.5
Coil input voltage referred to
V
DD
(Input coil limiter for
channels X, Y, Z)
I
CI
= ± 1 mA
V
DD
= 2 V
1-3 V
C
±1.4 Vp A
I
CI
= ± 1 mA
V
DD
= 3.2 V
±1.6 Vp A
I
CI
= ± 1 mA
V
DD
= 3.8 V
±1.8 Vp A
2 Amplifiers
2.1 Wake-up sensitivity 125 kHz input signal 7 V
SENS
12.2mV
rms
A
2.2 Bandwidth Without coil 6 B
W
150 kHz C
2.3 Upper corner frequency Without coil 6 f
u
180 kHz C
2.4 Lower corner frequency Without coil 6 f
o
30 kHz C
2.5 Input impedance f = 125 kHz 1 R
IN
143 kΩ A
2.6 Input capacitance
V
IN
≥ 1 mV
rms
at
125 kHz
1C
IN
10 pF C
3 Automatic Gain Control
3.1 Preamble detection time
V
IN
≥ 3mV
rms
at
125 kHz
t
DAGC
192 Periods B
3.2 AGC adjustment time
f = 125 kHz
V
IN
= 1 mV
rms
V
IN
= 3 mV
rms
V
IN
= 30 mV
rms
V
IN
= 100 mV
rms
V
IN
= 1 V
rms
t
AGC
t
AGC
t
AGC
t
AGC
t
AGC
0
48
220
292
450 512
Periods C
3.3
Signal change rate
(gap detection)
Coil input signal
100% to 37% (τ)
1t
EOS
20 Periods C
3.4
AGC correction time
(no gap detection)
Coil input signal:
50 to 100% changing
1t
CORR
52 Periods C
Coil input signal:
100 to 50% changing
1t
CORR
208 Periods C
3.5 Data rate (Q < 20) 125 kHz ASK DR 4 kbits/s A
3.6 Delay time RF signal to data 125 kHz ASK t
ON
40 µs A
3.7 Delay time RF signal to data 125 kHz ASK t
OFF
40 µs A
Electrical Characteristics (Continued)
V
SS
= 0 V, V
DD
= 2 V to 3.8 V, T
amb
= -40°C to +105°C, characterized up to 125°C, unless other specified
No. Parameters Test Conditions Pin Symbol Min. Typ. Max. Unit Type*
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter