Datasheet

ISD5100 SERIES
Publication Release Date: Oct 31, 2008
- 66 - Revision 1.42
9.3. ANALOG PARAMETERS
MICROPHONE INPUT
(14)
Symbol Parameters Min
(2)
Typ
(1)(14)
Max
(2)
Units Conditions
V
MIC+/-
MIC +/- Input Voltage 300 mV Peak-to-Peak
(4)(8)
V
MIC (0TLP)
MIC +/- input reference
transmission level point
(0TLP)
208 mV Peak-to-Peak
(4)(10)
A
MIC
Gain from MIC +/- input to
ANA OUT
5.5 6.0 6.5 dB 1 kHz at V
MIC
(0TLP)
(4)
A
MIC (GT)
MIC +/- Gain Tracking +/-0.1 dB 1 kHz, +3 to –40
dB 0TLP Input
R
MIC
Microphone input resistance 10
kΩ
MIC- and MIC+
pins
A
AGC
Microphone AGC Amplifier
Range
6 40 dB Over 3-300 mV
Range
ANA IN
(14)
Symbol
Parameters Min
(2)
Typ
(1)(14)
Max
(2)
Units Conditions
V
ANA IN
ANA IN Input Voltage 1.6 V Peak-to-Peak (6 dB
gain setting)
V
ANA IN (0TLP)
ANA IN (0TLP) Input
Voltage
1.1 V Peak-to-Peak (6 dB
gain setting)
(10)
A
ANA IN (sp)
Gain from ANA IN to SP+/- +6 to +15 dB 4 Steps of 3 dB
A
ANA IN (AUX OUT)
Gain from ANA IN to AUX
OUT
-4 to +5 dB 4 Steps of 3 dB
A
ANA IN (GA)
ANA IN Gain Accuracy -0.5 +0.5 dB (11)
A
ANA IN (GT)
ANA IN Gain Tracking +/-0.1 dB 1000 Hz, +3 to –45
dB 0TLP Input,
6 dB setting
R
ANA IN
ANA IN Input Resistance (6
dB to +15 dB)
10 to 100
kΩ
Depending on ANA
IN Gain