3v ± 10%), Adc characteristics (0 ° c to +70 ° c; v, 0v ± 10%) – Rainbow Electronics DS1680 User Manual
Page 18
DS1680
18 of 23
3-WIRE INTERFACE CHARACTERISTICS (0
°
C to +70
°
C; V
CC
= 3.3V
±
10%)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS NOTES
Data to Clock Setup
t
DC
150
ns
8
CLK to Data Hold
t
CDH
210
ns
8
CLK to Data Delay
t
CDD
600
ns
8, 9, 10
CLK to Low Time
t
CL
750
ns
8
CLK to High Time
t
CH
750
ns
8
CLK Frequency
t
CLK
0.667
MHz
8
CLK Rise and Fall
t
R
, t
F
1500
ns
CS to CLK Setup
t
CC
3
µ
s
8
CLK to CS Hold
t
CCH
750
ns
8
CS Inactive Time
t
CWH
3
µ
s
8
CS to I/O High- Z
t
CDZ
210
ns
8
ADC CHARACTERISTICS
(0
°
C to +70
°
C; V
CC
, V
AVD
= 5.0V
±
10%)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS NOTES
Resistance of Digitizer Film
R
D
250
600
1000
Ω
Resistance of On-Chip Driver
R
DRIVER
12
25
Ω
Parasitic Capacitance Between X-
and Y-Plates of Digitizer
C
XY
5
10
nF
Ladder Resistance
R
REF
8
25
60
k
Ω
ADC Active Current
I
AVDA
450
650
µ
A
5
ADC Standby Current
I
AVDS
120
200
µ
A
6
Reference Current
I
REF
200
650
µ
A
Input Leakage (AIN0, AIN1)
I
LI
10
nA
Analog Input Capacitance
C
IN
10
15
pF
Resolution
10
Bits
Differential Nonlinearity
E
DL
±
0.5
±
1.0
LSB
Integral Nonlinearity
E
IL
±
0.5
±
1.0
LSB
Offset Error
E
OS
±
1.0
±
1.5
LSB
Gain Error
E
G
±
0.25
±
1.0
%
ADC Clock Frequency
F
OSCIN
5.0
MHz
Multiplexer Selector Path
Propagation Delay
t
MUX
60
ns
COEN
Falling Edge to Data Bus
Driven
t
OEA
40
ns
COEN
Rising Edge to Data Bus
High-Z
t
OEZ
40
ns