MAX9812LEXT-T DALLAS [Dallas Semiconductor], MAX9812LEXT-T Datasheet - Page 3

• Manufacturer Part Number: MAX9812LEXT-T
• Description: Tiny, Low-Cost, Single/Dual-Input, Fixed-Gain Microphone Amplifiers with Integrated Bias
• Manufacturer: DALLAS [Dallas Semiconductor]

ELECTRICAL CHARACTERISTICS (continued)
(V
SHDN = V
Note 1: All specifications are 100% tested at T
Amplifier Input Voltage-Noise
Density
Total Integrated Input Noise
Off-Isolation
Total Harmonic Distortion Plus
Noise
BIAS
Bias Output Voltage Range
Bias Output Resistance
Power-Supply Rejection Ratio
(V
BIAS Current Limit
BIAS Capacitive-Load Stability
Total Integrated BIAS Noise
DIGITAL INPUTS (SHDN, IN1/IN2)
Logic-Low Threshold
Logic-High Threshold
Logic Input Current
Shutdown Enable Time
Shutdown Disable Time
IN1/IN2 Select Time
CC
CC
= 3.3V, I
to BIAS)
Tiny, Low-Cost, Single/Dual-Input, Fixed-Gain
CC
PARAMETER
Microphone Amplifiers with Integrated Bias
, T
BIAS
A
= T
= 500µA (MAX9812L/MAX9813L), V
MIN
_______________________________________________________________________________________
to T
MAX
, unless otherwise noted. Typical values are at T
t
PSRR
t
SYMBOL
SHDN_OFF
I
SHDN_ON
THD+N
BIAS_SC
V
R
C
t
V
BIAS
V
BIAS
BIAS
SEL
e
V
V
I
IN
IH
IL
n
n
n
BIAS
A
= +25°C. Temperature limits are guaranteed by design.
Inputs at AC GND
22Hz to 22kHz BW, inputs at AC GND
Input referred, MAX9813
only
f = 1kHz, R
V
22kHz
MAX9812L/MAX9813L
MAX9812H/MAX9813H
DC, T
f = 217Hz
f = 1kHz
f = 10kHz
BIAS short to GND
No sustained oscillations
22Hz to 22kHz BW
SHDN = GND or V
95% of settled value
CC
/2, BW = 22Hz to
A
CC
= +25°C
= 5V, I
L
= 10kΩ to
CONDITIONS
BIAS
CC
= 800µA (MAX9812H/MAX9813H), GND = 0V, R
f = 1kHz
1kHz
10kHz
V OUT = 1V
(L version)
V OUT = 4V
(H version)
A
= +25°C.) (Note 1)
P-P
P-P
MIN
2.1
3.6
2.0
70
5
0.015
TYP
0.04
2.30
4.0
0.1
40
75
60
80
80
75
55
22
50
29
10
50
10
5
MAX
2.55
4.4
0.8
50
±1
L
nV/√Hz
= open,
UNITS
µV
µV
mA
dB
dB
pF
ms
µA
%
µs
µs
Ω
RMS
V
RMS
V
V
3