B10011S_07 Datasheet, PDF (7/12 Pages) ATMEL Corporation – Can Transceiver IC

B10011S
Figure 6-1. Test Circuit
H/L
V_DD
H/L
V_DD
1k8
470
470
150k
220
470
1k8
H/L
V_DD
1 ^Asel
2 ^Bsel
Select
control
Compa-
rators
F_{1 16}
F₀ 15
3 ^ER
Error
4 _{2.5 V} ^control
5 ^Rx0
6 ^Tx0
+4.3V
Output
control
S_{+ 14}
V_{CC 13}
H'
12
L' ₁₁
7 _VDD
8
V_SS
B10011S
GND ₁₀
S- ₉
V_IH
580
620
V_IL
V_CC
V_CC
V_CC
2k5
V_CC
Figure 6-2. Application Circuit
+5 V
Filter for 125 kbit/s operation
16k 22k
A_sel
1
16
24k 5k6 82p
47p
B_sel
Select
2
control
Compa-
rators
V_DD
15
24k 5k6 82p
47p
ER
150k ₃
+4.3 V
R_x1
2n2 ₄
Error
control
2.5 V
14
V_{CC 13}
BCX 17
16k 22k
1k8 1k8
R_x0
5
T_x0
6
Output
control
1k8
12
220
10µ ⁺
11 40 V
270
V_CC
V_DD
V_SS
+
10 µF
7
V_DD
8
V_SS
10
GND
9
1k8
1k8
1k8
0µ1
ML
H
Resistors:
MELF 0204, 1%, 0.6 W
02075, 1%, TK50
Chip capacitors NPO 0805, 1206, 10%
Ferrite bead BLM 31A601S (Murata)
Common-mode choke coils (SMD):
B82790 S0513 N201 (Siemens)
F2 2x50 µH (Vogt)
ST2001 (Vogt)
Cable LiYY 4 x 1 mm²
Battery ground
Filter ground
The implementation of a power filter and overvoltage clamp as follows is highly recommended:
7
4749D–AUTO–10/07