ISD5008EIR Nuvoton Technology Corporation of America, ISD5008EIR Datasheet - Page 8

• Manufacturer Part Number: ISD5008EIR
• Description: IC VOICE REC/PL 4-8MIN IN 28TSOP
• Manufacturer: Nuvoton Technology Corporation of America
• Series: ISD5008r

Specifications of ISD5008EIR

• Interface: SPI/Microwire
• Filter Pass Band: 1.7 ~ 3.4kHz
• Duration: 4 ~ 8 Min
• Mounting Type: Surface Mount
• Package / Case: 28-TSOP
• For Use With: ISD-ES511 - EVALUATION SYSTEM FOR ISD5100ISD-ES501 - EVALUATION SYSTEM FOR ISD5008
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

AUX IN
The AUX IN is an additional audio input to the
ISD5008, such as from the microphone circuit in a
mobile phone “car kit.” This input has a nominal
700 mVp-p level at its minimum gain setting
(0 dB). See Table 5. Additional gain is available in
3 dB steps (controlled by the SPI bus) up to 9 dB.
1.
2.
3.
4.
ISD
Setting
Gain from AUX IN to ANA OUT
Gain from AUX IN to ARRAY IN
0TLP Input is the reference Transmission Level Point that is used for testing. This level is typically 3 dB below clipping.
Differential
0 dB
3 dB
6 dB
9 dB
(1)
(Auxiliary Input)
0TLP Input
V
.694
.491
.347
.245
PP
(3)
Table 5: AUXIN Amplifier Gain Settings
Figure 3: AUX IN Input Modes
AXG1
0
0
1
1
CFG0
AXG0
0
1
0
1
Setting
Gain
00
01
10
11
Resistor Ratio
Gain
1.00
1.41
2.00
2.82
40.1/40.1
47.0/33.2
53.5/26.7
59.2/21
(Rb/Ra)
(2)
Array In/Out
.694
.694
.694
.694
V
1.414
PP
2.82
Gain
1.0
2.0
ISD5008 Product
Ana Out V
Gain
(dB)
0
3
6
9
.694
.694
.694
.694
PP
(4)
5