参数资料
型号: DS1875T+
厂商: Maxim Integrated Products
文件页数: 3/92页
文件大小: 0K
描述: IC SFP CTRLR/TRIPLEXER 38-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 90
应用: 光纤
接口: I²C
电源电压: 2.85 V ~ 3.9 V
封装/外壳: 38-WFQFN 裸露焊盘
供应商设备封装: 38-TQFN(5x7)
包装: 管件
安装类型: 表面贴装
产品目录页面: 1431 (CN2011-ZH PDF)
DS1875
Typical Operating Characteristics (continued)
(VCC = +2.85V to +3.9V, TA = +25°C, unless otherwise noted.)
CALCULATED AND DESIRED % CHANGE
IN VMOD vs. MOD RANGING
DS1875
toc10
MOD RANGING VALUE (DEC)
CHANGE
IN
V
MOD
(%)
007
006
004 005
002 003
001
10
20
30
40
50
60
70
80
90
100
0
000
CALCULATED
VALUE
DESIRED
VALUE
DESIRED AND CALCULATED CHANGE
IN VBMD vs. COMP RANGING
DS1875
toc11
COMP RANGING (DEC)
CHANGE
IN
V
BMD
(%)
111
110
100 101
010 011
001
10
20
30
40
50
60
70
80
90
100
0
000
CALCULATED
VALUE
DESIRED
VALUE
MON1 TO MON8 INL
DS1875
toc12
MON1 TO MON8 INPUT VOLTAGE (V)
MON1
TO
MON8
INL
(LSB)
2.0
1.5
1.0
0.5
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
-1.0
0
2.5
USING FACTORY-PROGRAMMED
FULL-SCALE VALUE OF 2.5V
MON1 TO MON8 DNL
DS1875
toc13
MON1 TO MON8 INPUT VOLTAGE (V)
MON1
TO
MON8
DNL
(LSB)
2.0
1.5
1.0
0.5
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
-1.0
0
2.5
USING FACTORY-PROGRAMMED
FULL-SCALE VALUE OF 2.5V
VBMD INL vs. APC INDEX
DS1875
toc14
APC INDEX (DEC)
V
BMD
INL
(LSB)
250
200
150
100
50
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
-1.0
0
VMOD INL vs. MOD INDEX
DS1875
toc15
MOD INDEX (DEC)
V
MOD
INL
(LSB)
250
200
150
100
50
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
-1.0
0
FB VOLTAGE vs. TEMPERATURE
PWM DAC = FFh
DS1875
toc16
TEMPERATURE (
°C)
V
OUT
(V)
80
60
40
20
0
-20
1.245
1.250
1.255
1.260
1.240
-40
VOUT vs. VCC
VIN = 3.3V
DS1875
toc17
VCC (V)
V
OUT
(V)
3.85
3.35
75.2
75.4
75.6
75.8
76.0
76.2
76.4
76.6
76.8
77.0
75.0
2.85
DUTY-CYCLE LIMIT vs. TEMPERATURE
DS1875
toc18
TEMPERATURE (
°C)
V
OUT
(V)
80
60
-20
0
20
40
89.25
89.50
89.75
90.00
90.25
90.50
90.75
91.00
89.00
-40
SW FREQUENCY
525kHz
262.5kHz
131.25kHZ
1050kHz
PON Triplexer and SFP Controller
______________________________________________________________________________________
11
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