GP509 Datasheet, PDF (2/4 Pages) List of Unclassifed Manufacturers – Class A Amplifier with 2 Independent Gain Blocks

ABSOLUTE MAXIMUM RATINGS
PARAMETER
Supply Voltage
Power Dissipation
Operating Temperature
Storage Temperature
VALUE / UNITS
5V DC
25 mW
-10^o to + 40^oC
-20^o to + 70^oC
CAUTION
CLASS 1 ESD SENSITIVITY
PIN CONNECTION
V _MIC
4
A IN
GND
A OUT
1
5
V_B
B OUT
R_E
8
B IN
ELECTRICAL CHARACTERISTICS
Supply Voltage = +1.3 VDC, Frequency = 1 kHz, Temperature = 25^oC
PARAMETER
SYMBOL
CONDITIONS
MIN
Amplifier Current
I_AMP
55
Transducer Current
I_TRANS
R_E = ∞
225
Maximum Transducer Current
I_TRANS(MAX)
R_E = 0 Ω
2
Voltage Gain
A_V
S1 = b V_OUT= 500 mVRMS
58
Harmonic Distortion
THD
S1 = b V_OUT = 500 mVRMS
-
Input Referred Noise
IRN
NFB 0.2 to 10 kHz at 12dB/Oct
-
Stable with Battery Resistance
Resistance (R_B) to:
Stability
R_B = 22 Ω
-
Input Bias Current
I_BIAS
R_FA = 1M
-50
Microphone Resistance
R_MIC
3
Emitter Bias Voltage (Pin 7)
V_RE
-
On Chip Emitter Resistor
R_E
-
A Output Current Capability (Pin 1) I_OUT
-
Note: All parameters and switches as shown in Test Circuit unless otherwise stated in CONDITIONS column
TYP
105
300
-
61
1
1
MAX
150
375
-
64
4
2
UNITS
µA
µA
mA
dB
%
µV RMS
-
22
Ω
0
50
nA
4
5
kΩ
30
-
mV
100
-
Ω
30
-
µA
R_{B = 4.7 1.3 VDC}
V_IN
a _S1
R_{S CS} ^b
3k3 1.0
1 kHz
R_MIC
4
-A
3
5
21k
-B
6
1
8
7
R_E
2
R _FA =100k
1.0
All external resistors in ohms & ± 1% tol., all capacitors in farads & ± 10% tol. unless otherwise stated
V_OUT
R_L = 1k
RE=27.5
Fig. 1 Test Circuit
510 - 71 - 04
2