MAX1463 Datasheet, PDF (6/49 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
Bit Weight
Offset Error
Gain Error
BW_PWM
V_PWM__OS
GE_PWM
PWM data = 0000h
(Note 7)
Output Jitter
EXTERNAL REFERENCE INPUT
OJ_PWM
Reference Input Range
Reference Input Resistance
V_REF
R_{REF RES} V_REF = 4V, ADC = ON, DACs = ON
INTERNAL VOLTAGE REFERENCE
Internal Voltage Reference
V_IR
(Note 8)
Temperature Coefficient
TC_IR
BUFFERED VOLTAGE REFERENCE OUTPUT
Buffered Bandgap Reference
Temperature Coefficient
V_BG
TC_BG
R_LOAD = ∞
R_LOAD = 47kΩ to V_SS
CURRENT SOURCE
ISRC[2:0] = 000
Source Current
I_ISRC
Selectable in 8
steps
ISRC[2:0] = 001
ISRC[2:0] = 100
ISRC[2:0] = 111
Maximum ISRC Voltage
V_ISRC
TEMPERATURE SENSOR
Sensitivity
Sens_TS
Nonlinearity Error
INL_TS
Hysteresis
Hist_TS
ANALOG-TO-DIGITAL CONVERTER
Resolution
RES_ADC
Integral Nonlinearity
INL_ADC
Differential Nonlinearity
DNL_ADC
ADC Offset Error
V_ADC__OS
PGA[4:0] = 00000 (0.94),
CO[3:0] = 0000 (Note 9)
Channel-to-Channel Offset Error
Matching
∆V_ADC__OS
ADC Offset-Supply Rejection
Ratio
OSRR_ADC At DC, ADC ref = V_REF = 5V
ADC Gain-Supply Rejection Ratio GSRR_ADC At DC, ADC ref = V_REF = 5V
MIN TYP MAX UNITS
2
µs/LSB
±1
µs
±0.025
%
1/4
LSB
1.25
100
V_DD
V
kΩ
4.2
4.6
5.0
V
±110
ppm/°C
1.15 1.24 1.32
V
1.12
110
ppm/°C
0
-200 -167 -130
µA
-814 -668 -545
-1420 -1169 -915
V_DD
V
- 0.85
-2
mV / °C
-50
LSB/ °C
±0.5
%FS
±0.1
%FS
16
Bits
2
Bits
±1
LSB
4
%FS
±1
LSB
52
dB
96
dB
6 _______________________________________________________________________________________