Rainbow Electronics ADC08161 - Manual (Page 3)

Converter Characteristics
(Continued)
The following specifications apply for RD Mode, V + = 5V, V
REF+
= 5V, and V
REF−
= GND unless otherwise specified. Bold-
face limits apply for T
A
= T
J
= T
MIN
to T
MAX
; all other limits T
A
= T
J
= 25˚C.
Symbol Parameter Conditions Typical Limits Units
(Note 7) (Note 8) (Limit)
THD Total Harmonic Distortion V
IN
= 4.85 V
p-p
0.5 %
f
IN
= 20 Hz to 20 kHz
S/N Signal-to-Noise Ratio V
IN
= 4.85 V
p-p
50 dB
f
IN
= 20 Hz to 20 kHz
IMD Intermodulation Distortion V
IN
= 4.85 V
p-p
50 dB
f
IN
= 20 Hz to 20 kHz
C
VIN
Analog Input Capacitance 25 pF
AC Electrical Characteristics
The following specifications apply for V + = 5V, t
r
= t
f
= 10 ns, V
REF+
= 5V, V
REF−
= 0V 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.
Symbol Parameter Conditions
ADC08161BIN, ADC08161CIN,
Units
(Limit)
ADC08161BIWM,
ADC08161CIWM
Typical Limit
(Note 7) (Note 8)
t
WR
Write Time Mode Pin to V + 100 100 ns (min)
( Figures 2, 3, 4 )
t
RD
Read Time (Time from Rising Edge Mode Pin to V + , ( Figure 2 ) 350 350 ns (min)
of WR to Falling Edge of RD )
t
RDW
RD Width Mode Pin to GND ( Figure 5 ) 200 250 ns (min)
400 400 ns (max)
t
CONV
WR -RD Mode Conversion Time Mode Pin to V + , ( Figure 2 ) 500 560 ns (max)
(t
WR
+ t
RD
+ t
ACC1
)
t
CRD
RD Mode Conversion Time Mode Pin to GND, ( Figure 1 ) 655 900 ns (max)
t
ACCO
Access Time (Delay from Falling C
L
≤ 100 pF, Mode Pin to GND 640 900 ns (max)
Edge of RD to Output Valid) ( Figure 1 )
t
ACC1
Access Time (Delay from C
L
≤ 10 pF 45 ns
Falling Edge of RD C
L
= 100 pF 50 110 ns (max)
to Output Valid) Mode Pin to V + , t
RD
≤ t
INTL
( Figure 2 )
t
ACC2
Access Time (Delay from C
L
≤ 10 pF 25 ns
Falling Edge of RD C
L
= 100 pF 30 55 ns (max)
to Output Valid) t
RD
> t
INTL
,
( Figures 3, 5 )
t
1H
, t
0H
TRI-STATE ® Control R
L
= 3 k Ω , C
L
= 10 pF
(Delay from Rising Edge ( Figures 1, 2, 3, 4, 5 ) 30 60 ns (max)
of RD to HI-Z State)
t
INTL
Delay from Rising Edge of Mode Pin = V + , C
L
= 50 pF 520 690 ns (max)
WR to Falling Edge of INT ( Figures 3, 4 )
t
INTH
Delay from Rising Edge of C
L
= 50 pF, 50 95 ns (max)
RD to Rising Edge of INT ( Figures 1, 2, 3, 5 )
t
INTH
Delay from Rising Edge of C
L
= 50 pF, ( Figure 4 ) 45 95 ns (max)
WR to Rising Edge of INT
t
RDY
Delay from CS to RDY Mode Pin = 0V, C
L
= 50 pF, 25 45 ns (max)
R
L
= 3 k Ω , ( Figure 1 )
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