ISL5585_04 Datasheet, PDF (3/24 Pages) Intersil Corporation – 3.3V Ringing SLIC Family for Voice Over Broadband (VOB)

ISL5585
Device Operating Modes
MODE
F2 F1 F0 E0 = 1 E0 = 0 ISL5585A ISL5585B ISL5585C ISL5585D ISL5585E ISL5585F ISL5585G
Low Power Standby 0 0 0 SHD GKD
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Forward Active
0 0 1 SHD GKD
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Unbalanced Ringing 0 1 0 RTD RTD
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Reverse Active
0 1 1 SHD GKD
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Ringing
1 0 0 RTD RTD
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Forward Loop Back 1 0 1 SHD GKD
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Tip Open
1 1 0 SHD GKD
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Power Denial
1 1 1 n/a n/a
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Pinouts
ISL5585 (PLCC)
TOP VIEW
ISL5585 QFN
TOP VIEW
4 3 2 1 28 27 26
SW+ 5
25 RT
SW- 6
24 CDC
SWC ⁷
F2 ⁸
23 _VCC
22 _-IN
F1 9
21 VFB
F0 10
20 VTX
E0 11
19 AUX
12 13 14 15 16 17 18
32 31 30 29 28 27 26 25
SW+ 1
24 ILIM
SW- 2
23 RT
SWC 3
22 CDC
F2 4
21 VCC
F1 5
20 -IN
F0 6
19 VFB
E0 7
18 VTX
NC 8
17 AUX
9 10 11 12 13 14 15 16
Pin Description
PLCC QFN SYMBOL
DESCRIPTION
1
29
TIP TIP power amplifier output.
2
30 BGND Battery Ground - To be connected to zero potential. All loop current and longitudinal current flow from this ground.
Internally separate from AGND. This ground must be connected to the same potential as AGND.
3
31
VBL Low battery supply connection.
4
32
VBH High battery supply connection for the most negative battery.
5
1
SW+ Uncommitted switch positive terminal.
6
2
SW- Uncommitted switch negative terminal.
7
3
SWC Switch control input. This TTL compatible input controls the uncommitted switch, with a logic “0” enabling the switch
and logic “1” disabling the switch.
8
4
F2 Mode Control Input - MSB. F2-F0 for the TTL compatible parallel control interface for controlling the various modes of
operation of the device.
9
5
F1 Mode control input.
3