MAX1280 Maxim, MAX1280 Datasheet - Page 6

• Manufacturer Part Number: MAX1280
• Description: MAX1280 Evaluation System
• Manufacturer: Maxim

TIMING CHARACTERISTICS—MAX1280
(Figures 1, 2, 6, 7; V
Serial 12-Bit ADCs with Internal Reference
ELECTRICAL CHARACTERISTICS—MAX1281 (continued)
(V
+2.5V at REF, REFADJ = V
6
400ksps/300ksps, Single-Supply, Low-Power, 8-Channel,
DIGITAL OUTPUTS (DOUT, SSTRB)
POWER SUPPLY
Output Voltage Low
Output Voltage High
Three-State Leakage Current
Three-State Output
Capacitance
Positive Supply Voltage
(Note 9)
Supply Current
Power-Supply Rejection
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
DD1
_______________________________________________________________________________________
= V
PARAMETER
PARAMETER
DD2
= +2.7V to +3.6V, COM = GND, f
DD1
= V
DD1
DD2
, T
= +4.5V to +5.5V; T
A
SYMBOL
I
= T
C
V
VDD1
V
SYMBOL
I
V
V
PSR
VDD2
DD1
OUT
DD2
I
OH
OL
L
t
t
t
t
t
t
t
t
t
t
t
t
t
DOH
DOD
CSW
MIN
t
t
CSH
CSO
DOV
DOE
t
t
t
CSS
CS1
STH
STD
STV
STE
CP
CH
DS
DH
CL
,
+
to T
I
I
CS = 3V
CS = 3V
V
V
V
SINK
SOURCE
MAX
DD1
DD2
DD1
C
C
C
C
C
C
C
C
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
SCLK
, unless otherwise noted. Typical values are at T
= 5mA
=
= 3.6V
= V
A
= T
= 0.5mA
DD2
= 20pF
= 20pF
= 20pF
= 20pF
= 20pF
= 20pF
= 20pF
= 20pF
= 4.8MHz, 50% duty cycle, 16 clocks/conversion cycle (300ksps), external
MIN
= 2.7V to 3.6V, midscale input
Operating mode (Note 10)
Reduced-power mode (Note 11)
Fast power-down (Note 11)
Full power-down (Note 11)
to T
CONDITIONS
CONDITIONS
MAX
; unless otherwise noted.)
V
DD2
MIN
MIN
156
100
2.7
A
62
62
35
35
35
35
10
10
10
10
0
0
= +25°C.)
- 0.5V
±0.5
TYP
TYP
2.5
1.3
0.9
15
20
20
2
MAX
MAX
±2.0
±10
0.4
3.6
3.5
2.0
1.5
10
80
80
65
65
65
65
UNITS
UNITS
mA
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
mV
µA
µA
pF
V
V
V