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MAX152
+3V, 8-Bit ADC with 1A Power-Down
4
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PARAMETER
SYMBOL
CONDITIONS
MAX152C/E
TA = TMIN to TMAX
MIN
MAX
MAX152M
TA = TMIN to TMAX
MIN
MAX
UNITS
WR Pulse Width
tWR
0.6
10
0.66
10
0.8
10
s
Delay Time Between
WR and RD Pulses
tRD
0.8
0.9
1.0
s
RD Pulse Width
tREAD1
400
500
600
ns
tACC1
400
500
600
ns
RD to INT Delay
tRI
300
340
400
ns
tCWR
tRD < tINTL,
CL = 100pF
1.8
2.06
2.4
s
Conversion Time
(RD Mode)
tCRD
2.0
2.3
2.6
s
Power-Up Time
tUP
0.9
1.2
1.4
s
CS to RD,WR
Setup Time
tCSS
0
ns
CS to RD,WR
Hold Time
tCSH
0
ns
CS to RDY
Delay
tRDY
CL = 50pF,
RL = 5.1k to VDD
100
120
140
ns
WR to INT Delay
tINTL
CL = 50pF
0.7
1.45
1.6
1.8
RD Pulse Width
tREAD2
WR-RD mode,
tRD > tINTL,
determined by tACC2
(Figure 5)
180
220
250
ns
Data Access Time
(Note 7)
tACC2
180
220
250
ns
WR to INT Delay
tIHWR
180
200
240
ns
Data Access Time
After
INT (Note 7)
tID
Stand-alone mode,
CL = 100pF
100
130
150
ns
Data Access Time
(RD Mode) (Note 7)
tACC0
CL = 100pF
tCRD
+100
tCRD
+150
ns
RD to INT Delay
(RD Mode)
tINTH
CL = 50pF
100
160
170
180
ns
Data Hold Time
(Note 8)
tDH
100
130
150
ns
tP
450
600
700
ns
ALL GRADES
TA = +25°C
MIN
TYP
MAX
Conversion Time
(WR-RD Mode)
Delay Time Between
Conversions
Data Access Time
(Note 7)
WR-RD mode,
determined by tACC1
(Figure 6)
WR-RD mode,
tRD < tINTL, CL = 100pF
(Figure 6)
WR-RD mode,
tRD < tINTL , CL = 100pF
(Figure 5)
tCRD
+130
s
TIMING CHARACTERISTICS
(Unipolar input range, VDD = 3V, VSS = 0V, TA = +25°C, unless otherwise noted.) (Note 6)
Note 6: Input control signals are specified with tr = tf = 5ns, 10% to 90% of +3.0V, and timed from a voltage level of 1.3V. Timing
delays get shorter at higher supply voltages. See the Converson Time vs. Supply Voltage graph in the
Typical Operating
Characteristics to extrapolate timing delays at other power-supply voltages.
Note 7: See Figure 1 for load circuit. Parameter defined as the time required for the output to cross 0.66V or 2.0V.
Note 8: See Figure 2 for load circuit. Parameter defined as the time required for the data lines to change 0.5V.
Stand-alone mode,
CL = 50pF
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