MAX1082 Datasheet, PDF (6/24 Pages) Maxim Integrated Products – 300ksps/400ksps, Single-Supply, 4-Channel, Serial 10-Bit ADCs with Internal Reference

300ksps/400ksps, Single-Supply, 4-Channel,
Serial 10-Bit ADCs with Internal Reference
ELECTRICAL CHARACTERISTICS—MAX1083 (continued)
(V_DD1 = V_DD2 = +2.7V to +3.6V, COM = GND, f_OSC = 4.8MHz, 50% duty cycle, 16 clocks/conversion cycle (300ksps), external
+2.5V at REF, REFADJ = V_DD1, 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
DIGITAL OUTPUTS (DOUT, SSTRB)
Output Voltage Low
Output Voltage High
Three-State Leakage Current
Three-State Output Capacitance
POWER SUPPLY
V_OL
V_OH
I_L
C_OUT
I_SINK = 5mA
I_SOURCE = 0.5mA
CS = V_DD2
CS = V_DD2
0.4
V
V_DD2 - 0.5V
V
±10
µA
15
pF
Positive Supply Voltage
(Note 9)
Supply Current
Power-Supply Rejection
V_DD1,
V_DD2
2.7
3.6
V
IV_DD1
+ IV_DD2
V_DD1 =
V_DD2 =
3.6V
Normal operating mode (Note 10)
Reduced-power mode (Note 11)
Fast power-down mode (Note 11)
Full power-down mode (Note 11)
2.5
3.5
1.3
2.0
mA
0.9
1.5
2.0
1.0
µA
PSR V_DD1 = V_DD2 = 2.7V to 3.6V, midscale input
±0.5 ±2.0 mV
TIMING CHARACTERISTICS—MAX1082
(Figures 1, 2, 5, 6; V_DD1 = V_DD2 = +4.5V to +5.5V; T_A = T_MIN to T_MAX; unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
SCLK Period
SCLK Pulse Width High
SCLK Pulse Width Low
DIN to SCLK Setup
DIN to SCLK Hold
CS Fall to SCLK Rise Setup
SCLK Rise to CS Rise Hold
SCLK Rise to CS Fall Ignore
CS Rise to SCLK Rise Ignore
SCLK Rise to DOUT Hold
SCLK Rise to SSTRB Hold
SCLK Rise to DOUT Valid
SCLK Rise to SSTRB Valid
CS Rise to DOUT Disable
CS Rise to SSTRB Disable
CS Fall to DOUT Enable
CS Fall to SSTRB Enable
CS Pulse Width High
t_CP
t_CH
t_CL
t_DS
t_DH
t_CSS
t_CSH
t_CSO
t_CS1
t_DOH
t_STH
t_DOV
t_STV
t_DOD
t_STD
t_DOE
t_STE
t_CSW
C_LOAD = 20pF
C_LOAD = 20pF
C_LOAD = 20pF
C_LOAD = 20pF
C_LOAD = 20pF
C_LOAD = 20pF
C_LOAD = 20pF
C_LOAD = 20pF
156
ns
62
ns
62
ns
35
ns
0
ns
35
ns
0
ns
35
ns
35
ns
10
20
ns
10
20
ns
80
ns
80
ns
10
65
ns
10
65
ns
65
ns
65
ns
100
ns
6 _______________________________________________________________________________________