mx7705 Maxim Integrated Products, Inc., mx7705 Datasheet - Page 3

• Manufacturer Part Number: mx7705
• Description: Mx7705 16-bit, Low-power, 2-channel, Sigma-delta Adc
• Manufacturer: Maxim Integrated Products, Inc.

ELECTRICAL CHARACTERISTICS (continued)
(V
2.4576MHz, CLKDIV bit = 0, C
AIN Input Capacitance
AIN Input Sampling Rate
Input Common-Mode Rejection
Normal-Mode 50Hz Rejection
Normal-Mode 60Hz Rejection
Common-Mode 50Hz Rejection
Common-Mode 60Hz Rejection
EXTERNAL REFERENCE (REF+, REF-)
REF Differential Input Voltage
Range (Note 9)
RE F Ab sol ute Inp ut V ol tag e Rang e
REF Input Capacitance
REF Input Sampling Rate
DIGITAL INPUTS (DIN, SCLK, CS, RESET)
Input High Voltage
Input Low Voltage
Input Hysteresis
Input Current
Input Capacitance
DD
= 3V or 5V, GND = 0, V
PARAMETER
_______________________________________________________________________________________
REF+
REF+
to GND = 0.1µF, C
SYMBOL
= 1.225V for V
V
CMR
V
V
HYST
V
I
REF
f
f
IN
s
s
IH
IL
Gain = 1
Gain = 2
Gain = 4
Gain = 8 to 128
Gain = 1 to 128
V
V
For filter notches of 25Hz, 50Hz,
±0.02 × f
For filter notches of 20Hz, 60Hz,
±0.02 × f
For filter notches of 25Hz, 50Hz,
±0.02 × f
For filter notches of 20Hz, 60Hz,
±0.02 × f
V
V
Gain = 1 to 128
V
V
DIN, CS, RESET
SCLK
16-Bit, Low-Power, 2-Channel,
DD
DD
DD
DD
DD
DD
DD
= 5V
= 3V
= 4.75V to 5.25V
= 2.7V to 3.6V
= 4.75V to 5.25V
= 2.7V to 3.6V
REF
= 3V and V
- to GND = 0.1µF, T
NOTCH
NOTCH
NOTCH
NOTCH
CONDITIONS
Gain = 1
Gain = 2
Gain = 4
Gain = 8 to 128
Gain = 1
Gain = 2
Gain = 4
Gain = 8 to 128
REF+
= 2.5V for V
A
= T
MIN
Sigma-Delta ADC
to T
DD
MAX
= 5V, V
, unless otherwise noted.)
GND
MIN
1.00
1.0
2
REF-
= GND, external f
TYP
105
110
130
105
110
120
130
150
150
250
500
34
38
45
60
96
98
98
10
5
f
f
CLKIN
CLKIN
MAX
1.75
V
3.5
0.8
0.4
±1
64
64
DD
/
/
UNITS
CLKIN
MHz
MHz
mV
dB
dB
dB
dB
dB
pF
pF
µA
pF
V
V
V
V
3
=