Datasheet

(V
DD
= +2.7V to +5.5V, V
SS
= GND = 0V, 2.7V ≤ (V
DD
- V
SS
) ≤ 5.5V, C
BIASCAP
= 1μF, BIAS = 3kΩ to GND, V
LOGIC
= +2.7V to V
DD
,
V
H_
= V
DD
- 0.15V, V
L_
= (V
DD
- V
SS
)/2, SHDN = MUTE = V
LOGIC
, all LED outputs open, pushbutton interface inactive, V
H
= V
BIAS
+ 1V
RMS,
VBIAS = (V
DD
- V
SS
)/2, T
A
= T
MIN
to T
MAX
, unless otherwise specified. Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Output Noise e
N
20Hz to 20kHz, V
H
= V
L
= V
DD
/2 = AC
ground, tap = -6dB
2.2 μV
RMS
WIPER BUFFER
Output Voltage Swing V
O
R
L
= 3kΩ to V
BIAS
V
DD
- 0.3V V
Output Current 3 mA
Output Current R
OWB
1 10 Ω
DC Offset V
OS
±2 ±14 mV
INTEGRATED BIAS GENERATOR
Output Voltage R
L
> 100kΩ
(V
DD
+
V
SS
)/2
- 20mV
(V
DD
+
V
SS
)/2
(V
DD
+
V
SS
)/2
+ 20mV
V
Power-Supply Rejection Ratio At 1kHz, 100mV
P-P
on V
DD
60 dB
Minimum Load Resistance 3 kΩ
Maximum Load Capacitance 100 pF
Output Resistance R
OBR
6 Ω
Noise Voltage 20Hz to 20kHz 2.2 μV
RMS
Minimum Output Current 2 mA
CONTACT INPUTS (MUTE, MODE, UP/BALL, DN/BALR)
Internal Pullup Resistor R
PU
42 kΩ
Single-Pulse Input Low Time t
CPW
Time required for a single pulse to cause an
increment/decrement
16 ms
Repetitive Input Pulse
Separation Time
t
IPWS
1 ms
Timeout Period t
WS
Click-and-pop suppression inactive 126 ms
Debounce Corner Frequency Internal analog lter 10 kHz
DIGITAL INPUTS (V
LOGIC
> 4.5V)
Input High Voltage V
IH
V
LOGIC
> 4.5V 2.4
V
V
LOGIC
< 4.5V 0.7 x V
LOGIC
Input Low Voltage V
IL
V
LOGIC
> 4.5V 0.8
V
V
LOGIC
< 4.5V 0.3 x V
LOGIC
Input Leakage Current
To GND for inputs with internal pullup
resistors
±1 μA
Input Capacitance 5 pF
Digital Clock Feedthrough f
CLK
= 1Hz to 40Hz, tap = -6dB -90 dB
MAX5486 Stereo Volume Control with Pushbutton
Interface
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Electrical Characteristics (continued)