Rainbow Electronics ISD14B20 - Manual (Page 17)

ISD14B20
Publication Release Date: October 9, 2007
- 17 - Revision 0
7. ELECTRICAL CHARACTERISTICS
7.1. DC P ARAMETERS
PARAMETER SYMBOL MIN [2] TYP [1] MAX [2] UNITS CONDITIONS
Input Low Voltage V
IL
0.3xVcc V
Input High Voltage V
IH
0.7xVcc V
Output Low Voltage V
OL
0.3xVcc V I
OL
= 4.0 mA [3]
Output High Voltage V
OH
0.7xVcc V I
OH
= -1.6 mA [3]
Standby Current I
STBY
1 10 µA [4] [5]
Record Current I
REC
20 30 mA V
CC
= 5.5V [4] [5]
Playback Current I
PLAY
20 30 mA V
CC
= 5.5V, no load [4] [5]
Pull-up device for REC , PlayE ,
PlayL , FT & M1 ~ M8 pins
R
PU1
600 k Ω
MIC+ Input Resistance R
MICP
18 KΩ
MIC- Input Resistance R
MICN
18 KΩ
AnaIn Input Resistance R
ANAIN
42 KΩ
MIC Differential Input V
IN1
15 300 mV Peak-to-peak
AnaIn Input V
IN2
1 V Peak-to-peak
Gain from MIC to SP+/- A
MSP
6~40 dB V
IN
= 15~300 mVp-p,
AGC = 4.7 µF,
V
CC
= 2.4V~5.5V
Output Load Impedance R
SPK
8 Ω Speaker load
Speaker Output Power Pout 313 mW V
DD
= 4.4 V 1Vp-p,
1 kHz sine wave at AnaIn.
R
SPK
= 8 Ω
Speaker Output Voltage V
OUT1
V
DD
V R
SPK
= 8Ω Speaker,
Typical buzzer
Notes: [1] Typical values @ V
CC
= 5.5V, T
A
= 25 ° and sampling frequency (Fs) at 8 kHz, unless stated.
[2] Not all specifications are 100 percent tested. All Min/Max limits are guaranteed by Winbond via design,
electrical testing and/or characterization.
[3] LED output during recording.
[4] V
CCA
, V
CCD
and V
CCP
are connected together. Also, V
SSA
, V
SSD
, V
SSP1
and V
SSP2
are linked together.
[5] All required control pins must be at appropriate status. External components are biased under a separated
power supply.