MAX1463 Datasheet, PDF (4/49 Pages) Maxim Integrated Products – Low-Power Two-Channel Sensor Signal Processor

Low-Power Two-Channel Sensor
Signal Processor
ELECTRICAL CHARACTERISTICS (continued)
(V_DD = 5.0V, V_SS = 0V, f_CLK = 4.0MHz, T_A = T_MIN to T_MAX. Typical values are at T_A = +25°C, unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
PGA[4:0] =
00000 to 01000
MIN TYP MAX
8
12
16
COREF = V_DD,
CO[3:0] = 1000
PGA[4:0] =
01010 to 10000
17
23
30
PGA[4:0] =
10100 to 11110
23
33
43
PGA[4:0] =
00000 to 01000
-50
-44
-40
Effective Offset Adjustment at the
ADC Input
OA_ADC
COREF = V_DD,
CO[3:0] = 1011
PGA[4:0] =
01010 to 10000
-94
-87
-80
PGA[4:0] =
10100 to 11110
-185 -169 -155
PGA[4:0] =
00000 to 01000
-124 -117 -110
COREF = V_DD,
CO[3:0] = 1111
PGA[4:0] =
01010 to 10000
-250 -238 -225
SMALL OP AMP
Input Offset Voltage
Input Bias Current
V_OS__SM
I_B__SM
PGA[4:0] =
10100 to 11110
-475 -445 -415
0
±7
±1
DC Gain
A_VOL__SM
OUTnSM = 0.5V to 4.5V (n = 1 or 2),
R_LOAD = ∞
100
Gain Bandwidth Product
Slew Rate
Common-Mode Input Range
Common-Mode Rejection Ratio
Power-Supply Rejection Ratio
Input-Referred Noise Voltage
Output High Voltage
Output Low Voltage
Output Source Current
Output Sink Current
Maximum Output Load
Capacitance
GBW__SM A_{VOL_SM} = +1V/V
SR__SM A_{VOL_SM} = +1V/V
CMR__SM
CMRR__SM V_{CM_OPAMP} = V_SS to V_DD
PSRR__SM At DC
V_N__SM
0.1Hz to 1kHz
0.1Hz to 1MHz
V_OH__SM
R_LOAD = ∞
R_LOAD = 4.7kΩ to V_SS
V_OL__SM
R_LOAD = ∞
R_LOAD = 4.7kΩ to V_DD
I_SRC__SM
I_SNK__SM
V_OUTnSM = V_{OH_SM}, R_LOAD = 4.7kΩ to V_SS
V_OUTnSM = V_{OL_SM}, R_LOAD = 4.7kΩ to V_DD
C_L__SM R_LOAD = ∞, phase margin > 55°
V_SS
4.9
4.85
2.7
2.2
V_DD
70
70
8.5
100
0.1
0.15
-1.04
1.04
120
UNITS
% of
ADC
Ref
mV
nA
dB
MHz
V/µs
V
dB
dB
µV_RMS
V
V
mA
mA
pF
4 _______________________________________________________________________________________