DS1865T+ Maxim Integrated Products, DS1865T+ Datasheet - Page 51

• Manufacturer Part Number: DS1865T+
• Description: IC PON TRIPLEXER CTRLR 28TQFN-EP
• Manufacturer: Maxim Integrated Products

Specifications of DS1865T+

• Applications: *
• Mounting Type: Surface Mount
• Package / Case: 28-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 02h, Register 83h: APC DAC
POWER-ON VALUE
READ ACCESS
WRITE ACCESS
MEMORY TYPE
The digital value used for APC reference and recalled from Table 05h at the memory address found in ‘T Index’. This register is
updated at the end of the Temperature conversion.
Table 02h, Register 8Dh: Comp Ranging
FACTORY DEFAULT:
READ ACCESS
WRITE ACCESS
MEMORY TYPE:
The upper nibble of this byte controls the Full-Scale range of the Quick-Trip monitoring for BIAS. The Lower nibble of this byte
controls the Full-Scale range for the Quick-Trip monitoring of the APC reference as well as the closed loop monitoring of APC.
8Dh
83h
RESERVED
bit6.4
bit2:0
bit7
bit7
bit7
bit3
2
7
RESERVED (Default = 0)
BIAS
found on MON1. Default is 000b and creates an FS of 1.25V.
RESERVED (Default = 0)
APC
the APC. Default is 000b and creates an FS of 2.5V.
BIAS
00h
PW2
PW2 and (APC-EN = 0)
00h
PW2
PW2
Volatile
Nonvolatile (SEE)
2
2
2
, APC
6
BIAS
, BIAS
APC
2
000b
001b
010b
011b
100b
101b
110b
111b
000b
001b
010b
011b
100b
101b
110b
111b
2
2
1
____________________________________________________________________
, APC
1
– BIAS
– APC
, BIAS
BIAS
0
: APC FS Ranging: 3-bit value to select the FS comparison voltage for BMD with
0
2
0
0
: BIAS FS Ranging: 3-bit value to select the FS comparison voltage for BIAS
5
1
% OF 1.25V
% OF 2.50V
PON Triplexer Control and
100.00
100.00
80.10
66.83
50.25
40.30
33.66
28.92
25.39
80.10
66.83
50.25
40.30
33.66
28.92
25.39
BIAS
2
4
0
RESERVED
FS VOLTAGE (V)
F S VO L T A G E (V)
2
3
Monitoring Circuit
1.250
1.001
0.835
0.628
0.504
0.421
0.362
0.317
1.250
1.001
0.835
0.628
0.504
0.421
0.362
0.317
APC
2
2
2
APC
2
1
1
APC
bit0
bit0
2
0
0
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