MAX11253 Datasheet, PDF (7/51 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
UVLO Hysteresis
UVLO Delay Low to High or
High to Low
UVLO Glitch Suppression
SYMBOL
V_HYS
T_DEL
T_P
CONDITIONS
AVDD, DVDD supply
undervoltage lockout
CAPREG supply undervoltage
lockout
AVDD, DVDD supply
undervoltage lockout
CAPREG supply undervoltage
lockout
AVDD, DVDD supply
undervoltage lockout
CAPREG supply undervoltage
lockout
MIN
TYP
MAX
4
5
10
3.5
10
10
UNITS
%
µs
ns
SPI 16B DATA READ
RDYB
tCSS0
CSB
tCH
tCL
tCP
SCLK
1
89
tDS
tDH
DIN
‘X’ ‘1’ ‘1’ ‘0’ ‘0’ ‘1’ ‘1’ ‘0’ ‘1’
tDOE
DOUT ^HIGH-Z
‘X’
tDOT
MSB
Figure 1. SPI Timing Diagram
tR1
tCSW
tCSH1
tCSS1
23 16b data
tDOH
LSB
tDOD
HIGH-Z
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