Rainbow Electronics DS1875 - Manual (Page 10)

DS1875
PON Triplexer and SFP Controller
10 ______________________________________________________________________________________
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
DS1875 toc01
V CC (V)
SUPPLY CURRENT (mA)
3.85 3.35
5.0
5.5
6.0
6.5
7.0
7.5
8.0
8.5
9.0
4.5
2.85
SDA = SCL = V CC
+95 °C
+25 °C
-40 °C
SUPPLY CURRENT
vs. TEMPERATURE
DS1875 toc02
TEMPERATURE ( °C)
SUPPLY CURRENT (mA)
80 60 20 40 0 -20
5.0
5.5
6.0
6.5
7.0
7.5
8.0
8.5
9.0
4.5
-40
V CC = 3.9V
V CC = 2.85V
SDA = SCL = V CC
SUPPLY CURRENT vs. TEMPERATURE
V CC = 3.3V, NO BIAS CURRENT
DS1875 toc03
TEMPERATURE ( °C)
I CC
(mA)
80 60 20 40 0 -20
6.5
6.6
6.7
6.8
6.9
7.0
7.1
7.2
7.3
7.4
6.4
-40
SW = 1050kHz
SW = 525kHz
SW = 262.5kHz
SW = 131.25kHz
SUPPLY CURRENT vs. TEMPERATURE
V CC = 5V, NO BIAS CURRENT
DS1875 toc04
TEMPERATURE ( °C)
I CC
(mA)
80 60 40 20 0 -20
7.6
7.8
8.0
8.2
8.4
8.6
8.8
7.4
-40
SW = 1050kHz
SW = 525kHz
SW = 262.5kHz SW = 131.25kHz
DAC1 AND M4DAC DNL
DS1875 toc05
DAC1 AND M4DAC POSITION (DEC)
DAC1 AND M4DAC DNL (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
DAC1 AND M4DAC INL
DS1875 toc06
DAC1 AND M4DAC POSITION (DEC)
DAC1 AND M4DAC 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
DAC1 AND M4DAC OFFSET vs. V CC
DS1875 toc07
V CC (V)
DAC1 AND M4DAC OFFSET (mV)
3.85 3.65 3.45 3.25 3.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
-0.05
2.85
T A = -40 °C TO +95°C
LOAD = -0.5mA TO +0.5mA
DAC1 AND M4DAC OFFSET VARIATION
vs. LOAD CURRENT
DS1875 toc08
LOAD CURRENT (mA)
DAC1 AND M4DAC OFFSET (mV)
0.3 0.1 -0.1 -0.3
-0.0008
-0.0006
-0.0004
-0.0002
0
0.0002
0.0004
0.0006
0.0008
0.0010
-0.0010
-0.5 0.5
V CC = 2.85V
V CC = 3.6V
V CC = 3.9V
DAC1 AND M4DAC OUTPUT
vs. LOAD CURRENT
DS1875 toc09
LOAD CURRENT (mA)
DAC1 AND M4DAC OUTPUT (V)
0.3 0.1 -0.3 -0.1
1.247
1.249
1.251
1.253
1.257
1.255
1.259
1.245
-0.5 0.5
OUTPUT WITHOUT OFFSET
V CC = 2.85V
V CC = 3.9V
Typical Operating Characteristics
(V CC = +2.85V to +3.9V, T A = +25°C, unless otherwise noted.)