Datasheet

MX7705
16-Bit, Low-Power, 2-Channel,
Sigma-Delta ADC
______________________________________________________________________________________ 13
SUPPLY CURRENT vs. SUPPLY VOLTAGE (3V)
MX7705 toc09
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
3.453.303.153.002.85
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
5.054.954.85
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
3510-15
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
3510-15
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.)