Isd18b12 – Rainbow Electronics ISD18B12 User Manual
Page 13
ISD18B12
Publication Release Date: August 31, 2007
- 13 -
Revision A1
7.2.
AC
P
ARAMETERS
CHARACTERISTIC
SYMBOL
MIN
[2]
TYP
[1]
MAX
[2]
UNITS
CONDITIONS
Sampling Frequency
F
S
4
8 kHz
[3]
Record Duration
T
REC
6
12
sec
Depend on Fs
[3]
Playback Duration
T
PLAY
6
12
sec
Depend on Fs
[3]
Rising Time
T
r
100 nsec
[3]
Falling Time
T
f
100 nsec
[3]
Debounce Time
T
Deb
536k/FS
msec
[3] [4]
Beep Duration
T
B1
512k/FS msec
[3] [4]
Beep-Beep Duration
T
B2
1536k/FS
msec
[3] [4]
Delay to start recording
T
D1
1552k/FS
msec
[3] [4]
Delay during looping
T
D2
1k/FS msec
[3] [4]
LEDR Pulse Low Time
T
P1
1024k/FS
msec
[3] [4]
LEDP Pulse Low Time
T
P2
1280k/FS
msec
[3] [4]
Notes:
[1]
Conditions are V
CC
= 5.5V and T
A
= 25
°C
, unless specified.
[2]
All Min/Max limits are guaranteed by design, electrical testing and/or characterization. Not all
specifications are 100 percent tested.
[3]
The value changes accordingly to the F
S
applied. Also, the internal oscillator may vary as much as +10%
over the operating temperature and voltage ranges.
[4]
k=1000