MAX9812/MAX9813
Tiny, Low-Cost, Single/Dual-Input, Fixed-Gain
Microphone Amplifiers with Integrated Bias
Typical Operating Characteristics (continued)
(V
= 3.3V (MAX9812L/MAX9813L), V
= 5V (MAX9812H/MAX9813H), V
= 0V, R = 10kΩ to V /2, SHDN = V , T = +25°C,
CC
CC
GND
L
CC
CC
A
unless otherwise noted.)
SMALL-SIGNAL PULSE RESPONSE
(R = OPEN, C = 10pF)
LARGE-SIGNAL PULSE RESPONSE
(R = OPEN, C = 10pF)
L
L
L
L
MAX9812 toc15
MAX9812 toc16
IN
IN
5mV/div
100mV/div
OUT
OUT
50mV/div
1V/div
0V
1µs/div
2µs/div
MAX9813
SWITCHING BETWEEN TWO INPUTS
OUT-OF-SHUTDOWN WAVEFORM
INPUT UNCONNECTED
MAX9812 toc18
MAX9812 toc17
IN2 = 200mV AT 20kHz
P-P
IN1 = 100mV AT 10kHz
P-P
SHDN
2V/div
OUT
1V/div
2V/div
BIAS
2V/div
OUT
2V/div
IN1/IN2
100µs/div
1ms/div
OUTPUT OVERDRIVEN
MAX9812 toc19
OUT
1V/div
IN
500mV/div
2µs/div
Maxim Integrated
6
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
