MAX1785EUU+T Maxim Integrated, MAX1785EUU+T Datasheet - Page 7

• Manufacturer Part Number: MAX1785EUU+T
• Description: Battery Management Smart Battery-Pack Controller
• Manufacturer: Maxim Integrated
• Series: MAX1785r

Figure 1. Driver DC Test Load
Figure 3. Driver Timing Test Circuit
Figure 5. Driver Propagation Delays
±15kV ESD-Protected, Fail-Safe, 20Mbps, Slew-Rate-
V
DIFF
DI
-V
Limited RS-485/RS-422 Transceivers in a SOT
5V
V
B
A
O
O
0
0
1.5V
t
DR
10%
DI
A
B
DE
_______________________________________________________________________________________
5V
90%
t
DPLH
V
t
OD2
DSKEW =
V
A
B
DIFF
V
= V (A) - V (B)
OD2
|
t
DPLH
- t
R
R
t
DPHL
DPHL
R
t
DF
DIFF
90%
|
V
OC
1.5V
C
DIFF
10%
Figure 2. Receiver Enable/Disable Timing Test Load
Figure 4. Driver Enable/Disable Timing Test Load
Figure 6. Driver Enable and Disable Times
DE
A, B
A, B
V
5V
OL
0
0
UNDER TEST
RECEIVER
OUTPUT
OUTPUT
1.5V
15pF
C
TEST POINT
L
2.3V
2.3V
C
t
t
L
DZL(SHDN)
DZH(SHDN)
OUTPUT NORMALLY HIGH
OUTPUT NORMALLY LOW
500Ω
1kΩ
, t
, t
DZL
DZH
t
S1
t
DHZ
S2
DLZ
S1
S2
1kΩ
1.5V
V
V
OL
OH
+ 0.5V
- 0.5V
V
V
CC
CC
7