Rainbow Electronics MX7705 - Manual (Page 13)

MX7705
16-Bit, Low-Power, 2-Channel,
Sigma-Delta ADC
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SUPPLY CURRENT vs. SUPPLY VOLTAGE (3V)
MX7705 toc09
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
3.45 3.30 3.15 3.00 2.85
0.3
0.4
0.5
A
A: BUFFERED MODE
f
CLKIN = 2.4576MHz,
GAIN = 8 TO 128
B: BUFFERED MODE
f
CLKIN = 2.4576MHz,
GAIN = 1 TO 4
E: UNBUFFERED MODE
f
CLKIN = 1MHz,
GAIN = 1 TO 128
C: BUFFERED MODE
f
CLKIN = 1MHz,
GAIN = 1 TO 128
D: UNBUFFERED MODE
f
CLKIN = 2.4576MHz,
GAIN = 1 TO 128
B
E
D
C
0.6
0.2
2.70 3.60
V DD = 3V
5.15 5.05 4.95 4.85
0.35
0.45
0.55
0.65
0.25
4.75 5.25
SUPPLY CURRENT vs. SUPPLY VOLTAGE (5V)
MX7705 toc10
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
A
A: BUFFERED MODE
f
CLKIN = 2.4576MHz,
GAIN = 8 TO 128
B: BUFFERED MODE
f
CLKIN = 2.4576MHz,
GAIN = 1 TO 4
E: UNBUFFERED MODE
f
CLKIN = 1MHz,
GAIN = 1 TO 128
C: BUFFERED MODE
f
CLKIN = 1MHz,
GAIN = 1 TO 128
D: UNBUFFERED MODE
f
CLKIN = 2.4576MHz,
GAIN = 1 TO 128
B
E
D
C
V DD = 5V
60 35 10 -15
0.3
0.4
0.5
0.6
0.2
-40 85
SUPPLY CURRENT vs. TEMPERATURE (3V)
MX7705 toc11
TEMPERATURE ( °C)
SUPPLY CURRENT (mA)
A
A: BUFFERED MODE
f
CLKIN = 2.4576MHz,
GAIN = 8 TO 128
B: BUFFERED MODE
f
CLKIN = 2.4576MHz,
GAIN = 1 TO 4
E: UNBUFFERED MODE
f
CLKIN = 1MHz,
GAIN = 1 TO 128
C: BUFFERED MODE
f
CLKIN = 1MHz,
GAIN = 1 TO 128
D: UNBUFFERED MODE
f
CLKIN = 2.4576MHz,
GAIN = 1 TO 128
B
E
D
C
V DD = 3V
60 35 10 -15
0.35
0.45
0.55
0.65
0.25
-40 85
SUPPLY CURRENT vs. TEMPERATURE (5V)
MX7705 toc12
TEMPERATURE ( °C)
SUPPLY CURRENT (mA)
A
A: BUFFERED MODE
f
CLKIN = 2.4576MHz,
GAIN = 8 TO 128
B: BUFFERED MODE
f
CLKIN = 2.4576MHz,
GAIN = 1 TO 4
E: UNBUFFERED MODE
f
CLKIN = 1MHz,
GAIN = 1 TO 128
C: BUFFERED MODE
f
CLKIN = 1MHz,
GAIN = 1 TO 128
D: UNBUFFERED MODE
f
CLKIN = 2.4576MHz,
GAIN = 1 TO 128
B
E
D
C
V DD = 5V
Typical Operating Characteristics (continued)
(V DD = 3V or 5V, V REF+ = 1.225V for V DD = 3V, V REF+ = 2.5V for V DD = 5V, V REF - = GND, T A = +25°C, unless otherwise noted.)