Rainbow Electronics MAX16066 - Manual (Page 3)

12-Channel/8-Channel, Flash-Configurable System
Managers with Nonvolatile Fault Registers
MAX16065/MAX16066
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ELECTRICAL CHARACTERISTICS (continued)
(V CC = 2.8V to 14V, T A = -40NC to +85NC, unless otherwise specified. Typical values are at ABP = DBP = V CC = 3.3V, T A = +25NC.)
(Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
ADC DC ACCURACY
Resolution
10 Bits
Gain Error ADC GAIN
T A = +25°C 0.35
%
T A = -40°C to +85°C 0.70
Offset Error ADC OFF 1 LSB
Integral Nonlinearity ADC INL 1 LSB
Differential Nonlinearity ADC DNL 1 LSB
ADC Total Monitoring Cycle Time t CYCLE No MON_ fault detected 40 50 μs
ADC IN_ Ranges
1 LSB = 5.43mV 5.56
V 1 LSB = 2.72mV 2.78
1 LSB = 1.36mV 1.39
CURRENT SENSE
CSP Input-Voltage Range
V CSP 3 14 V
Input Bias Current
I CSP 14 25
μA
I CSM V CSP = V CSM 3 5
CSP Total Unadjusted Error CSP ERR (Note 4) 2 %FSR
Overcurrent Differential
Threshold
OVC TH
V CSP -
V CSM
Gain = 48 21.5 25 30.5
mV
Gain = 24 46 51 56
Gain = 12 94 101 108
Gain = 6 190 202 210
V SENSE Fault Threshold
Hysteresis
OVC HYS 0.5 % OVC TH
Secondary Overcurrent Threshold
Timeout
OVC DEL
r73h[6:5] = ‘00’ 0
ms
r73h[6:5] = ‘01’ 3 4 5
r73h[6:5] = ‘10’ 12 16 20
r73h[6:5] = ‘11’ 50 64 60
V SENSE Ranges
Gain = 6 232
mV
Gain = 12 116
Gain = 24 58
Gain = 48 29
ADC Current Measurement
Accuracy
V SENSE = 150mV (gain = 6 only) -2.5 Q 0.2 +2.5
%
V SENSE = 50mV, gain = 12 -4 Q 0.2 +4
V SENSE = 25mV, gain = 24 Q 0.5
V SENSE = 10mV, gain = 48 Q 1
Gain Accuracy
V SENSE = 20mV to 100mV, V CSP = 5V,
gain = 6
-1.5 +1.5 %
Common-Mode Rejection Ratio CMRR SNS V CSP > 4V 80 dB
Power-Supply Rejection Ratio PSRR SNS 80 dB