ISD4004 SERIES
Internal to the device
53K
Ω
0.1
0.1
F
F
ANA IN+
ANA IN-
3K
Ω
µ
µ
Signal
32m Vp-p
-
To Filter
+
3K
Ω
53K
Ω
1.2V
Single-Ended Input Mode
Internal to the device
53K
Ω
0.1
0.1
F
F
ANA IN+
ANA IN-
3K
Ω
µ
µ
Input Signal
Input Signal
16m Vp-p
16m Vp-p
-
To Filter
+
°
180
3K
Ω
53K
Ω
1.2V
Differential Input Mode
FIGURE 1: ISD4004 SERIES ANA IN MODES
TRAC
(200 ms)
RAC
25 ms
TRACL
FIGURE 2: RAC TIMING WAVEFORM DURING NORMAL OPERATION
(example of 8KHz sampling rate)
Publication Release Date: October 26, 2005
Revision 1.2
- 11 -