MAX1162
16-Bit, +5V, 200ksps ADC with 10µA
Shutdown
4 _______________________________________________________________________________________
TIMING CHARACTERISTICS (Figures 1, 2, 3, and 6)
(AV
DD
= DV
DD
= +4.75V to +5.25V, f
SCLK
= 4.8MHz (50% duty cycle), 24 clocks/conversion (200ksps), V
REF
= +4.096V, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Acquisition Time t
ACQ
1.1 µs
SCLK to DOUT Valid t
DO
C
DOUT
= 50pF 50 ns
CS Fall to DOUT Enable t
DV
C
DOUT
= 50pF 80 ns
CS Rise to DOUT Disable t
TR
C
DOUT
= 50pF 80 ns
CS Pulse Width t
CSW
50 ns
CS Fall to SCLK Rise Setup t
CSS
100 ns
CS Rise to SCLK Rise Hold t
CSH
0ns
SCLK High Pulse Width t
CH
65 ns
SCLK Low Pulse Width t
CL
65 ns
SCLK Period t
CP
208 ns
ELECTRICAL CHARACTERISTICS (continued)
(AV
DD
= DV
DD
= +4.75V to +5.25V, f
SCLK
= 4.8MHz (50% duty cycle), 24 clocks/conversion (200ksps), V
REF
= +4.096V, C
REF
= 4.7µF,
T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
POWER SUPPLIES
Analog Supply AV
DD
4.75 5.25 V
Digital Supply DV
DD
2.7 5.25 V
200ksps 2.75 3.25
100ksps 1.4
10ksps 0.14
Analog Supply Current I
AVDD
CS = DGND
1ksps 0.014
mA
200ksps 0.6 1.0
100ksps 0.3
10ksps 0.03
Digital Supply Current I
DVDD
CS = DGND,
DOUT = all
zeros
1ksps 0.003
mA
Shutdown Supply Current
I
AVDD
+
I
DVDD
CS = DV
DD
, SCLK = idle 0.1 10 µA
Power-Supply Rejection Ratio PSRR
AV
DD
= DV
DD
= +4.75V to +5.25V, full-scale
input (Note 5)
68 dB
