Datasheet

SN74HC4851-Q1
8-CHANNEL ANALOG MULTIPLEXER/DEMUL TIPLEXER
WITH INJECTION-CURRENT EFFECT CONTROL
SCLS554C
−
JANUARY 2004
−
REVISED SEPTEMBER 2012
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
4
PARAMETER TEST CONDITIONS V
CC
T
A
= 25°C
UP TO 85°C
UP TO 125°C
UNIT
MIN TYP MAX MIN MAX MIN MAX
r
On-state
I
T
≤ 2 mA,
V
I
= V
CC
to GND,
V
INH
= V
IL
(see Figure 5)
2.V
500 650
670
700
Ω
3 V 215 280 320 360
3.3 V
210 270
305
345
4.5 V 160 210 240 270
6 V
150 195
220
250
Difference in
Δr
on
on-state resistance
between switches
I
T
≤ 2 mA,
V
I
= V
CC
/2,
V
INH
= V
IL
2.V 4 13 18 23
Ω
3 V 2 10 12 16
3.3 V 2 9 12 16
4.5 V 2 9 12 16
6 V 3 10 14 19
I
I
Control input current V
I
= V
CC
or GND 6 V ±0.1 ±0.1 ±1 μ A
I
S(off)
Off-state switch
leakage current
(any one channel)
V
I
= V
CC
or GND,
V
INH
= V
IH
(see Figure 6)
6 V
±0.1 ±0.5 ±1
μ A
Off-state switch
leakage current
(common channel)
V
I
= V
CC
or GND,
V
INH
= V
IH
(see Figure 7)
±0.2 ±2 ±4
On-state switch
I
S(on)
leakage current
V
I
= V
CC
or GND,
V
INH
= V
IL
(see Figure 8)
6 V ±0.1 ±0.5 ±1 μ A
I
CC
Supply current V
I
= V
CC
or GND 6 V 2 20 40 μ A
C
IC
Control input capacitance A, B, C, INH 3.5 10 10 10 pF
Common terminal
C
IS
capacitance
Switch off 22 40 40 40 pF
C
OS
Switch terminal capacitance Switch off 6.7 15 15 15 pF
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
r
on
switch resistance
injection current coupling specifications, T
A
= −40°C to 125°C
P ARAMETER
V
CC
TEST CONDITIONS
MIN TYP
†
MAX
UNIT
VΔ
out
Maximum shift of output voltage of enabled analog
channel
3.3 V
R
S
≤ 3.9 kΩ
I
I
‡
≤ 1 mA
0.05 1
mV
5 V
0.1 1
3.3 V
I
I
‡
≤ 10 mA
0.345 5
5 V
0.067 5
3.3 V
R
S
≤ 20 kΩ
I
I
‡
≤ 1 mA
0.05 2
5 V 0.11 2
3.3 V
I
I
‡
≤ 10 mA
0.05 20
5 V 0.024 20
†
Typical values are measured at T
A
= 25°C.
‡
I
I
= total current injected into all disabled channels