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MAX4910/MAX4911/MAX4912
Quad-SPDT, Clickless Audio Switches
with Negative Signal Handling
_______________________________________________________________________________________
3
Note 1: All parameters are production tested at TA = +85°C and guaranteed by design over the specified temperature range.
Note 2: Signals on COM_, NO_, or NC_ exceeding VCC are clamped by internal diodes. Limit forward-diode current to maximum current
rating.
Note 3: Guaranteed by design; not production tested.
Note 4:
RON = RON(MAX) - RON(MIN).
Note 5: Flatness is defined as the difference between the maximum and minimum value of on-resistance as measured over the specified
analog signal ranges.
Note 6: Off-isolation = 20log10 [VCOM_/ VNO_], VCOM_ = output, VNO_ = input to off switch.
ELECTRICAL CHARACTERISTICS (continued)
(VCC = +2.7V to +5.5V, TA = -40°C to +85°C, EN = low (MAX4911 only), unless otherwise noted. Typical values are at VCC = +3.0V, TA =
+25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
TA = +25°C
-10
+10
NC_ Off-Leakage Current
INC_(OFF)
MAX4912 (NC2 and NC4)
only: VCC = +2.7V, switch
open, VNC_ = -2.5V or
+2.5V, VCOM_ = +2.5V or
-2.5V
TA = TMIN to TMAX
-50
+50
nA
TA = +25°C
-10
+10
COM_ On-Leakage Current
ICOM_(ON)
VCC = +2.7V, switch closed;
VNC_ or VNO_ = -2.5V,
+2.5V, or floating; VCOM_ =
-2.5V, +2.5V, or floating
TA = TMIN to TMAX
-100
+100
nA
DYNAMIC CHARACTERISTICS
Turn-On Time
tON
VCC = +2.7V, CB_ = low to high, RL = 50
,
CL = 5pF, VNO_ = +1.5V, Figure 2
0.055
0.15
s
Turn-Off Time
tOFF
VCC = +2.7V, CB_ = high to low, RL = 50
,
CL = 5pF, VNO_ = +1.5V, Figure 2
0.3
1.0
s
Break-Before-Make Delay
Time
tD
VCC = +2.7V, CB_ = low to high or high to low,
RL = 50
, CL = 5pF, VNC_ = VNO_ = +1.5V, Figure 3
125
ns
Charge Injection
Q
VGEN_= 0, RGEN = 0, CL = 1nF, Figure 4
300
pC
Power-Supply Rejection Ratio
PSRR
f = 20kHz, VCOM_ = 1VRMS, RL = 50
, CL = 5pF
60
dB
Off-Isolation
VISO
f = 20kHz, VCOM_ = 1VRMS, RL = 50
, Figure 5
(Note 6)
-90
dB
Crosstalk
VCT
f = 20kHz, VCOM_ = 1VRMS, RL = 50
, Figure 5
-80
dB
Total Harmonic Distortion
THD
f = 20Hz to 20kHz, VCOM_ = 0.5VP-P, RL = 50
,
DC bias = 0
0.05
%
NO_, NC_ Off-Capacitance
CNO_(OFF) f = 1MHz, VCOM_ = 0.5VP-P, DC bias = 0, Figure 6
100
pF
COM On-Capacitance
CCOM_(ON) f = 1MHz, VCOM_ = 0.5VP-P, DC bias = 0, Figure 6
200
pF
DIGITAL INPUTS (CB_,
EN)
Input Logic High
VIH
1.4
V
Input Logic Low
VIL
0.5
V
Input Leakage Current
ICB, IEN
VCB_ = VEN = 0V or VCC
-1
+1
A