Rainbow Electronics MAX1209 - Manual (Page 11)

MAX1209
12-Bit, 80Msps, 3.3V IF-Sampling ADC
______________________________________________________________________________________ 11
0
1.5
1.0
0.5
2.5
2.0
3.0
3.5
-8 -4 0 4 8 12
REFP, COM, REFN
SHORT-CIRCUIT PERFORMANCE
MAX1209 toc34
SINK CURRENT (mA)
VOLTAGE
(V)
V REFP
V COM
V REFN
INTERNAL REFERENCE MODE
AND BUFFERED EXTERNAL
REFERENCE MODE
0
1.0
0.5
2.0
1.5
2.5
3.0
-2 0 -1 1 2
REFP, COM, REFN
LOAD REGULATION
MAX1209 toc33
SINK CURRENT (mA)
VOLTAGE
(V)
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.)
1.95
1.97
1.96
1.98
1.99
2.00
2.02
2.01
2.03
2.04
2.05
-2.0 0.5 -1.5 -1.0 -0.5 0
REFERENCE OUTPUT VOLTAGE
LOAD REGULATION
MAX1209 toc30
I REFOUT SINK CURRENT (mA)
V
REFOUT
(V)
+85 °C
+25 °C
-40 °C
0
0.5
1.0
1.5
2.5
2.0
3.0
3.5
-3.0 -2.0 -1.0 0 1.0
REFERENCE OUTPUT VOLTAGE
SHORT-CIRCUIT PERFORMANCE
MAX1209 toc31
I REFOUT SINK CURRENT (mA)
V
REFOUT
(V)
+85 °C
+25 °C
-40 °C
2.029
2.031
2.033
2.035
2.037
2.039
-40 85 -15 -10 35 60
REFERENCE OUTPUT VOLTAGE
vs. TEMPERATURE
MAX1209 toc32
TEMPERATURE (°C)
V
REFOUT
(V)