isd4004 Winbond Electronics Corp America, isd4004 Datasheet - Page 11

• Manufacturer Part Number: isd4004
• Description: Single-chip Voice Record/playback Devices 8-, 10-, 12-, And 16-minute Durations
• Manufacturer: Winbond Electronics Corp America

Input Signal
Input Signal
Single-Ended Input Mode
Signal
Differential Input Mode
FIGURE 2: RAC TIMING WAVEFORM DURING NORMAL OPERATION
32m Vp-p
16m Vp-p
16m Vp-p
180 °
RAC
0.1
0.1
0.1
0.1
FIGURE 1: ISD4004 SERIES ANA IN MODES
μ
μ
μ
μ
F
F
F
F
(example of 8KHz sampling rate)
ANA IN+
ANA IN+
ANA IN-
ANA IN-
- 11 -
(200 ms)
T
RAC
3K Ω
3K Ω
3K Ω
3K Ω
Internal to the device
Internal to the device
Publication Release Date: July 16, 2007
25 ms
T
RACL
53K Ω
53K Ω
+
+
53K Ω
-
53K Ω
-
ISD4004 SERIES
1.2V
1.2V
To Filter
To Filter
Revision 1.3