MAX11253 Datasheet, PDF (3/51 Pages) Maxim Integrated Products – Longer Battery Life for Portable Applications

MAX11253
16-Bit, 6-Channel, 64ksps, 6.2nV/√Hz PGA,
Delta-Sigma ADC with SPI Interface
Electrical Characteristics (continued)
(V_AVDD = 3.6V, V_AVSS = 0V, V_DVDD = 2.0V to 3.6V, V_REFP - V_REFN = V_AVDD, DATA RATE = 1ksps, PGA low-noise mode, single-cycle
conversion mode (SCYCLE = 1). T_A = T_MIN to T_MAX, unless otherwise noted. Typical values are at T_A = +25°C.)(Note 2)
PARAMETER
Full-Scale Error Drift
Common-Mode Rejection
SYMBOL
FSE_Drift
CMR
AVDD, AVSS Supply Rejection
Ratio
PSRRA
DVDD Supply Rejection Ratio
PGA
Gain Setting
Noise-Spectral Density
PSRRD
NSD
Gain Error, Not Calibrated
G_ERR
Output Voltage Range
VOUT_RNG
MUX
Channel-to-Channel Isolation
ISO_CH-CH
GENERAL-PURPOSE OUTPUTS
Resistance (On)
R_ON
Maximum Current (On)
I_MAX
CONDITIONS
DC rejection
50Hz/60Hz rejection (Note 5)
DC rejection with PGA gain 64
DC rejection with PGA gain 128
DC rejection
50Hz/60Hz rejection (Note 5)
DC rejection with PGA gain 128
DC rejection
50Hz/60Hz rejection (Note 5)
DC rejection with PGA gain 128
Low-noise mode
Low-power mode
Gain = 1
Gain = 2
Gain = 4
Gain = 8
Gain = 16
Gain = 32
Gain = 64
Gain = 128
DC
GPO_ output current = 30mA,
GPOGND connected to AVSS
Per output
Total from all outputs into
GPOGND pin (Note 5)
MIN
110
110
80
73
75
65
105
105
90
1
V_AVSS
+ 0.3
TYP
MAX
UNITS
0.05
ppmFSR/°C
130
130
dB
105
95
95
95
dB
75
115
115
dB
110
6.2
10
0.75
1.2
2
3
4.5
6
5.5
2
128
V_AVDD
- 0.3
V/V
nV/√Hz
%
V
140
dB
3.5
10
Ω
30
mA
90
mA
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