GP522 Datasheet, PDF (7/8 Pages) List of Unclassifed Manufacturers – GP522 Controller Chip

R7 [GAIN] = 500kΩ ± 25%
DC referenced to V_SS + V_be, AC = 0, 210mV_RMS.
TAP
BIT 25
BIT 26
BIT 27
BIT 28
BIT 29
RATIOMETRIC
VALUE (%)
RATIOMETRIC
TOLERANCE
(±%)
NOMINAL
TAP
VALUE
UNITS
0
0
0
0
0
0
100.00
N/A
500
kΩ
1
0
0
0
0
1
89.97
7
450
kΩ
2
0
0
0
1
0
81.43
7
407
kΩ
3
0
0
0
1
1
75.02
7
375
kΩ
4
0
0
1
0
0
68.34
7
342
kΩ
5
0
0
1
0
1
60.88
7
304
kΩ
6
0
0
1
1
0
55.31
7
277
kΩ
7
0
0
1
1
1
45.29
7
226
kΩ
8
0
1
0
0
0
35.00
7
175
kΩ
9
0
1
0
0
1
28.40
7
142
kΩ
10
0
1
0
1
0
17.32
7
86.6
kΩ
11
0
1
0
1
1
15.60
7
78.0
kΩ
12
0
1
1
0
0
8.67
10
43.4
kΩ
13
0
1
1
0
1
6.40
10
32.0
kΩ
14
0
1
1
1
0
4.20
10
21.0
kΩ
15
0
1
1
1
1
3.10
12
15.5
kΩ
16
1
0
0
0
0
2.31
14
11.6
kΩ
17
1
0
0
0
1
1.50
21
7.50
kΩ
18
1
0
0
1
0
1.16
22
5.78
kΩ
19
1
0
0
1
1
0.73
22
3.66
kΩ
20
1
0
1
0
0
0.56
22
2.80
kΩ
21
1
0
1
0
1
0.42
22
2.10
kΩ
22
1
0
1
1
0
0.32
22
1.58
kΩ
23
1
0
1
1
1
N/A
N/A
0.15 MAX
kΩ
GP522
5
V_BAT
17
SDA
20
GND
Programming
Interface
Non-volatile memory
(EEPROM)
R1A
10
R2A R5A
R4A R7A R8A R3A R6A
6
4
8
1
21 16 13
R3
R1
R2 R5 R4 R7 R8
200k
11 _R3C
69k5 49k5 100k 200k 500k 100k
SW
R6 ₁₂
R6C
200k
All resistors in ohms,
all capacitors in farads,
unless otherwise stated.
7
SW1
2
SW2
9
3
19
15 14
R4B R7B R8B R3B R6B
Fig. 2 Production Test Circuit
7
522 - 21 - 02