Datasheet

ADC10731, ADC10732, ADC10734, ADC10738
SNAS081D –MAY 1999–REVISED MARCH 2013 www.ti.com
Electrical Characteristics (continued)
The following specifications apply for V
+
= AV
+
= DV
+
= +5.0 V
DC
, V
REF
+ = 2.5 V
DC
, V
REF
− = GND, V
IN
− = 2.5V for Signed
Characteristics, V
IN
− = GND for Unsigned Characteristics and f
CLK
= 2.5 MHz unless otherwise specified. Boldface limits
apply for T
A
= T
J
= T
MIN
to T
MAX
; all other limits T
A
= T
J
= +25°C.
(1)(2)(3)(4)
Units
Parameter Test Conditions Typ
(5)
Limits
(6)
(Limits)
DO Hold Time, Hold Time of Data on DO after Falling
t
HDO
20 35 ns (max)
Edge of Clock
DO Access Time from Clock, Delay from Falling Edge of
t
AD
40 80 ns (max)
Clock to Valid Data of DO
t
1H
, t
0H
Delay from Rising Edge of CS to DO or SARS TRI-STATE 40 50 ns (max)
t
DCS
Delay from Falling Edge of Clock to Falling Edge of CS 20 30 ns (min)
CS “HIGH” Time for A/D Reset after Reading of
t
CS(H)
1 CLK 1 CLK cycle (min)
Conversion Result
t
CS(L)
ADC10731 Minimum CS “Low” Time to Start a Conversion 1 CLK 1 CLK cycle (min)
t
SC
Time from End of Conversion to CS Going “Low” 5 CLK 5 CLK cycle (min)
Delay from Power-Down command to 10% of Operating
t
PD
1 μs
Current
Delay from Power-Up Command to Ready to Start a New μs
t
PC
10
Conversion
C
IN
Capacitance of Logic Inputs 7 pF
C
OUT
Capacitance of Logic Outputs 12 pF
Figure 6.
Power Dissipation
Part Number Thermal Resistance Package Type
ADC10731CIWM 90°C/W M16B
ADC10732CIWM 80°C/W M20B
ADC10734CIMSA 134°C/W MSA20
ADC10734CIWM 80°C/W M20B
ADC10738CIWM 75°C/W M24B
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