Rainbow Electronics MAX1208 - Manual (Page 11)

MAX1208
12-Bit, 80Msps, 3.3V ADC
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REFERENCE OUTPUT VOLTAGE
LOAD REGULATION
MAX1208 toc31
I
REFOUT
SINK CURRENT (mA)
V
REFOUT
(V)
0 -0.5 -1.0 -1.5
1.96
1.97
1.98
1.99
2.00
2.01
2.02
2.03
2.04
2.05
1.95
-2.0 0.5
+85 °C
+25 °C
-40 °C
REFERENCE OUTPUT VOLTAGE
SHORT-CIRCUIT PERFORMANCE
MAX1208 toc32
I REFOUT SINK CURRENT (mA)
V
REFOUT
(V)
0 -1.0 -2.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
0
-3.0 1.0
+85 °C
+25 °C
-40 °C
REFERENCE OUTPUT VOLTAGE
vs. TEMPERATURE
MAX1208 toc33
TEMPERATURE ( °C)
V
REFOUT
(V)
60 35 10 -15
2.031
2.033
2.035
2.037
2.039
2.029
-40 85
REFP, COM, REFN
LOAD REGULATION
MAX1208 toc34
SINK CURRENT (mA)
VOLTAGE (V)
1 0 -1
0.5
1.0
1.5
2.0
2.5
3.0
0
-2 2
V REFP
V
COM
V REFN
INTERNAL REFERENCE MODE AND
BUFFERED EXTERNAL REFERENCE MODE
REFP, COM, REFN
SHORT-CIRCUIT PERFORMANCE
MAX1208 toc35
SINK CURRENT (mA)
VOLTAGE (V)
4 0 -4
0.5
1.0
1.5
2.0
2.5
3.5
3.0
0
-8 8
V REFP
V COM
V REFN
INTERNAL REFERENCE
MODE AND BUFFERED
EXTERNAL REFERENCE MODE
Typical Operating Characteristics (continued)
(V
DD
= 3.3V, OV
DD
= 2.0V, GND = 0, REFIN = REFOUT (internal reference), V
IN
= -0.5dBFS, CLKTYP = high, DCE = high, PD = low,
G/T = low, f CLK
= 80MHz (50% duty cycle), T
A = +25°C, unless otherwise noted.)