AS2525B austriamicrosystems, AS2525B Datasheet - Page 6

• Manufacturer Part Number: AS2525B
• Description: IC, SINGLE CHIP HANDS FREE PHONE, TQFP44
• Manufacturer: austriamicrosystems

Specifications of AS2525B

• Audio Control Type: Volume
• Output Power: 500mW
• Control Interface: Serial
• Control / Process Application: Volume Control For Earpiece & Loudspeaker
• Supply Voltage Range: 3V To 5V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Datasheet AS2525
Table 3: Parameter settings
Revision 2.1
Inter-Digit Pause (LD)
MF Tone Duration
MF Inter-Tone Pause
Flash 1 Duration
Flash 2 Duration
Pause 1 Duration
Pause 2 Duration
Pre-Digit Pause (LD)
Post Flash Pause
Tx Gain, Handset
Rx Gain, Handset
Tx Gain, Handsfree
Rx Gain, Loudspeaker
Line Loss Compensation
DTMF Level (Low Group)
Tx Gain, Headset
Rx Gain, Headset
MF Comfort Tone, RO
MF Comfort Tone, LO1/2
Make/Break Ratio (LD)
Dial Rate (LD)
DC Mask (LI Voltage)
Tx Soft Clip (Handset)
Rx Soft Clip (Handset)
Noise Monitoring (HF)
Loudhearing Mode
Ringer Melody
Key-in Tone (Beep)
Reset PIN Code
Parameter
IDP
TD
ITP
FL1
FL2
P1
P2
PDP
PFP
A
A
A
A
LLC
V
A
A
V
V
M/B
DR
V
KT
Symbol
TX-HS
RX-HS
TX-HF
RX-HS
MF
TX-HEAD
RX-HEAD
MF-CT/RO
MF-CT/LO
LI
[ ] + [1] + [HEX code]
[ ] + [2] + [HEX code]
[ ] + [3] + [HEX code]
[ ] + [4] + [HEX code]
[ ] + [5] + [HEX code]
[ ] + [6] + [HEX code]
[ ] + [7] + [HEX code]
[ ] + [8] + [HEX code]
[ ] + [9] + [HEX code]
[0] + [1] + [HEX code]
[0] + [2] + [HEX code]
[0] + [3] + [HEX code]
[0] + [4] + [HEX code]
[0] + [5] +
[0] + [6] + [HEX code]
[0] + [7] + [HEX code]
[0] + [8] + [HEX code]
[0] + [9] + [HEX code]
[0] + [0] + [HEX code]
[#] + [1] +
[#] + [2] +
[#] + [3] +
[#] + [4] +
[#] + [5] +
[#] + [6] +
[#] + [7] +
[#] + [8] +
[#] + [9] +
[#] + [0] +
[PG] + [0] + (Password) +
Procedure:
37 dB
46 dB
29 dB
37 dB
840 ms
82 ms
82 ms
101 ms
285 ms
1 second
3 seconds
33 ms
274 ms
1 dB
[0] = off
-6 dBm
1 dB
-30 dBr
-9 dBr
[1] = 2 : 3
[0] = 10 pps
[1] = 4.5 Volt
[1] = on
(2 V
[1] = on
(1 V
[1] = on
[1] = HF only
[1] = 3-Tone
[1] = on
[1] = 1111
Default
PEAK
PEAK
)
)
1.72 ms … 7.03 sec. (see Table 4)
1.72 ms … 7.03 sec. (see Table 4)
1.72 ms … 7.03 sec. (see Table 4)
1.72 ms … 7.03 sec. (see Table 4)
1.72 ms … 7.03 sec. (see Table 4)
1.72 ms … 7.03 sec. (see Table 4)
1.72 ms … 7.03 sec. (see Table 4)
1.72 ms … 7.03 sec. (see Table 4)
1.72 ms … 7.03 sec. (see Table 4)
30 to 45 dB (see Table 8)
-6 to 9 dB (see Table 12)
39 to 54 dB (see Table 10)
22 to 37 dB (see Table 14)
[1] = range 1: I
[2] = range 2: I
-18 to -6 dBm in 1 dB steps
(see Table 24)
30 to 45 dB (see Table 20)
-6 to 9 dB (see Table 21)
-36 to -18 dBr in 6 dB steps
(see Table 30)
-15 to 3 dBr in 6 dB steps
(see Table 30)
[0] = 1 : 2
[1] = 20 pps
[0] = 3.5 Volt
[0] = off
[0] = off
[0] = off
[0] = LH and HF modes available
[0] = 2-Tone
[0] = off
Selected by user
Options
LINE
LINE
= 20 - 50 mA
= 45 - 75 mA
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