PCA85162 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved.
Product data sheet Rev. 4 — 9 April 2015 35 of 56
NXP Semiconductors
PCA85162
32 x 4 automotive LCD driver for low multiplex rates
[1] V
LCD
> 3 V for
1
⁄
3
bias.
[2] LCD outputs are open-circuit; inputs at V
SS
or V
DD
; external clock with 50 % duty factor; I
2
C-bus inactive.
[3] For typical values, see Figure 23
.
[4] The I
2
C-bus interface of PCA85162 is 5 V tolerant.
[5] When tested, I
2
C pins SCL and SDA have no diode to V
DD
and may be driven to the V
I
limiting values given in Table 18 (see Figure 22
as well).
[6] Propagation delay of driver between clock (CLK) and LCD driving signals.
[7] Periodically sampled, not 100 % tested.
[8] Outputs measured one at a time.
LCD outputs
V
O
output voltage
variation
on pins BP0 to BP3 and
S0 to S31
100 - +100 mV
R
O
output resistance V
LCD
= 5 V
[8]
on pins BP0 to BP3 - 1.5 - k
on pins S0 to S31 - 6.0 - k
Table 19. Static characteristics …continued
V
DD
= 1.8 V to 5.5 V; V
SS
= 0 V; V
LCD
= 2.5 V to 8.0 V; T
amb
=
40
C to +95
C; unless otherwise specified.
Symbol Parameter Conditions Min Typ Max Unit
T
amb
=30C; 1:4 multiplex drive mode; V
LCD
= 6.5 V; f
clk(ext)
= 1.536 kHz; all RAM written with
logic 1; no display connected; I
2
C-bus inactive.
Fig 23. Typical I
DD
with respect to V
DD
DDD
9
''
9
,
''''
,
''
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