Datasheet

MAX4060/MAX4061/MAX4062
Differential Microphone Preamplifiers with
Internal Bias and Complete Shutdown
4 _______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= 3V for MAX4061/MAX4062, V
CC
= 5V for MAX4060, V
GND
= 0V, V
SHDN
= V
CC
, V
INT/AUX
= 0V, R
G
= 11.11kΩ,
R
L
= 100kΩ to 1.5V, R
BIAS
= ∞, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.) (Notes 1, 2)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
I
BIAS
= 0.8mA to GND,
V
CC
= 4.5V to 5.5V
50 80
MAX4060
I
BIAS
= 0.8mA, V
CC
= 5V
+ 100mV
P-P
, f = 1kHz
70
I
BIAS
= 0.5mA to GND,
V
CC
= 2.4V to 5.5V
50 74
Power-Supply Rejection Ratio PSRR
M AX 4062
I
BIAS
= 0.5mA, V
CC
= 3V
+ 100mV
P-P
, f = 1kHz
71
dB
DIGITAL INPUTS ( S HD N for M AX 4061 and INT /AU X for M AX 4060/M AX 4062)
Input Leakage Current I
IN
V
IN
= 0V or V
CC
±1μA
Input-Voltage High V
INH
0.7 x
V
CC
V
Input-Voltage Low V
INL
0.3 x
V
CC
V
Shutdown Enable Time t
ON
MAX4061 10 μs
Shutdown Disable Time t
OFF
MAX4061 10 μs
Note 1: All specifications are 100% tested at T
A
= +25°C. Specification limits over temperature (T
A
= T
MIN
to T
MAX
) are guaranteed
by design, not production tested.
Note 2: MAX4062 requires a 1μF capacitor from BIAS to ground.