U2270B-MFP Atmel, U2270B-MFP Datasheet - Page 15

• Manufacturer Part Number: U2270B-MFP
• Description: IC RFID BASEREADER 125KHZ 16SOIC
• Manufacturer: Atmel
• Series: U2270Br

Specifications of U2270B-MFP

• Rf Type: Read / Write
• Frequency: 125kHz
• Features: Read/Write Base Station
• Package / Case: 16-SOIC (0.154", 3.90mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

8. Electrical Characteristics
All voltages are referred to GND (Pins 1 and 7)
Note:
4684E–RFID–02/08
Parameters
Data output
- Collector emitter
- Saturation voltage
Data output enable
- Low-level input voltage
- High-level input voltage
Data input
- Clamping level low
- Clamping level high
- Input resistance
- Input sensitivity
Driver polarity mode
- Low-level input voltage
- High-level input voltage
Carrier frequency enable
- Low-level input voltage
- High-level input voltage
Operating current
Standby current
V
- Supply voltage
- Supply voltage drift
- Output current
Driver output voltage
- One-rail operation
- Battery-voltage operation
V
- Output voltage
- Supply voltage drift
- Output current
- Standby output current
Standby input
- Low-level input voltage
- High-level input voltage
Oscillator
- Carrier frequency
Low-pass filter
- Cut-off frequency
Amplifier gain
S
EXT
1. REM 1: In
Otherwise, the oscillator may be out of bounds.
“Application 1”
Test Conditions
f = 3 kHz (square wave)
Gain capacitor = 100 nF
connected to the coil driver
12V application
I
V
V
IC active
Standby mode
RF resistor = 110 k
(“Application 2”
Carrier frequency = 125 kHz
C
I
5V application without load
L
out
S
Batt
HP
= ±100 mA
, V
where the oscillator operates in free-running mode, the IC must be soldered free from distortion.
= 5 mA
= 100 nF
= 12V
EXT
, V
Batt
, DV
), REM 1
S
= 5V
(1)
11, 12
and
8, 9
Pin
10,
14
12
14
10
13
2
3
4
5
6
dV
Symbol
dV
V
V
V
V
EXT
I
I
R
S
CEsat
V
V
V
V
V
V
f
EXT
EXT
V
V
V
V
I
V
I
I
DRV
DRV
EXT
f
cut
s
St
S
S
0
IN
ih
ih
ih
ih
/dT
ih
in
S
il
il
il
il
il
/dT
Min.
121
2.4
2.4
3.0
4.6
1.8
2.9
3.1
4.6
3.5
0.4
3.1
10
Typ.
220
125
3.8
4.5
5.4
4.2
3.5
3.6
4.0
5.4
4.2
30
30
2
7
Max.
400
129
0.5
0.2
0.8
6.3
4.3
4.7
6.3
0.8
70
9
U2270B
mV/K
mV/K
mV
Unit
kHz
kHz
mV
mA
mA
V
V
mA
mA
µA
k
V
V
V
V
V
V
V
V
V
V
V
V
PP
PP
pp
15