MAX1464 Datasheet, PDF (4/47 Pages) Maxim Integrated Products – Low-Power, Low-Noise Multichannel Sensor Signal Processor

Low-Power, Low-Noise Multichannel
Sensor Signal Processor
ELECTRICAL CHARACTERISTICS (continued)
(V_DDF = V_DD = 4.5V to 5.5V, V_SSF = V_SS = 0V, f_CLK = 4.0MHz, T_A = T_MIN to T_MAX. Typical values are at V_DDF = V_DD = 5.0V, V_SSF = V_SS = 0V,
T_A = +25°C, unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
PGA[4:0] =
00000 to 01000
MIN TYP MAX UNITS
-15
-10
-4
REF = V_DD,
CO[3:0] = 1000
PGA[4:0] =
01010 to 10000
-29
-19
-10
PGA[4:0] =
10100 to 11110
-56
-38
-20
Effective Offset Adjustment at the
ADC Input
OA_ADC
REF = V_DD,
CO[3:0] = 1011
PGA[4:0] =
00000 to 01000
PGA[4:0] =
01010 to 10000
PGA[4:0] =
10100 to 11110
-79
-155
-317
-73
-145
-287
-66
-135
-257
% of
ADC
Ref
PGA[4:0] =
00000 to 01000
-162 -156 -150
REF = V_DD,
CO[3:0] = 1111
PGA[4:0] =
01010 to 10000
-327 -309 -293
SMALL OP AMP
Input Offset Voltage
Input Bias Current
V_OS__SM
I_B__SM
PGA[4:0] =
10100 to 11110
-675 -614 -555
0
±15
mV
±1
nA
DC Gain
A_VOL__SM
OUTnSM = 0.5V to 4.5V (n = 1 or 2),
R_LOAD = ∞
100
dB
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
SR__SM
CMR__SM
CMRR__SM
PSRR__SM
V_N__SM
V_OH__SM
V_OL__SM
I_SRC__SM
I_SNK__SM
A_{VOL_SM} = +1V/V
A_{VOL_SM} = +1V/V
V_{CM_OPAMP} = V_SS to V_DD
At DC
0.1Hz to 1kHz
0.1Hz to 1MHz
R_LOAD = ∞
R_LOAD = 4.7kΩ to V_SS
R_LOAD = ∞
R_LOAD = 4.7kΩ to V_DD
V_OUTnSM = V_{OH_SM}, R_LOAD = 4.7kΩ to V_SS
V_OUTnSM = V_{OL_SM}, R_LOAD = 4.7kΩ to V_DD
2.7
2.2
V_SS + 0.02 V_DD - 0.02
70
70
8.5
100
V_DD - 0.1
V_DD - 0.15
0.1
0.15
-1.04
1.04
MHz
V/µs
V
dB
dB
µV_RMS
V
V
mA
mA
C_L__SM R_LOAD = ∞, phase margin > 55°
120
pF
4 _______________________________________________________________________________________