ABSOLUTE MAXIMUM RATINGS
PIN CONNECTION
PARAMETER
VALUE / UNITS
5V DC
VMIC
A IN
V
5
6
Supply Voltage
B
Power Dissipation
Operating Temperature
Storage Temperature
25 mW
C OUT
-10o to + 40oC
-20o to + 70oC
R
E
B IN
A OUT
GND
C IN
1
10
B OUT
CAUTION
CLASS 1 ESD SENSITIVITY
ELECTRICAL CHARACTERISTICS
Conditions: Frequency = 1 kHz, Temperature = 25oC, Supply Voltage = 1.3 VDC
PARAMETER
SYMBOL
CONDITIONS
MIN
80
200
2
TYP
145
275
-
MAX UNITS
Amplifier Current
I
210
350
-
µA
µA
AMP
Transducer Current
Maximum Transducer Current
Input Bias Current
Input Referred Noise
Harmonic Distortion
Voltage Gain
I
I
RE= ∞
RE= 0 Ω
TRANS
mA
nA
TRANS(MAX)
I
R
= 1M, R = 1M
-50
-
0
50
2
BIAS
FA
FB
IRN
NFB 0.2 to 10kHz at 12dB/Oct
1
µVRMS
%
THD
S1 = b, V
S1 = b, V
= 500 mVRMS
= 500 mVRMS
-
1
4
OUT
A
70
-
73
-
76
22
dB
V
OUT
Stable with Battery Resistance
Resistance (RB) to:
Stability
R
= 22 Ω
Ω
B
Emitter Bias Voltage (Pin 8)
Microphone Resistance
V
-
3
-
55
4
-
5
-
mV
kΩ
Ω
RE
RMIC
On Chip Emitter Resistor
R
200
30
E
Preamp Current Drive Capability
IOUT
-
-
µA
All switches remain as shown in Test Circuit unless otherwise stated in CONDITIONScolumn.
R
B
= 4.7
1.3 VDC
6
R
MIC
5
V
OUT
R
L
= 1K
21K
a
b
V
C
IN
S
4
R
S
- B
- A
- C
7
S1
1.0
3.3K
8
R
E
3
10
1
2
9
0.015
1kHz
1.0
R
=
56.2K
R = 47.5K
FB
R
E
=
FA
47.5
1.0
2.7K
All resistors in ohms, all capacitors in Farads unless otherwise stated
Fig.1 Test Circuit
2
510 - 70 - 3
GENNUM [ GENNUM CORPORATION ]
