CAV-1202_15 Datasheet, PDF (2/4 Pages) Analog Devices – 12-Bit Eurocard Analog to Digit Calonverter

SPECIFICATIONS_{(typical@ +25"Cwithnominapl owersuppliesunlessotherwisenoted)}
Parameter
Units
CAV-1202
NOTES
RESOLUTION (FS = Full Scale)
LSB WEIGHT
Bits(%FS)
mV
12(0.024)
1.0
'In-Band Hannonics expressed in terins of spurious in-band signals and
related hannonics generated al 2MHz encode rare. Minimums sbown
guaranteed over operating temperature range of O°C to + 70'C.
'Measured leading edge Encode Command to trailing edge of associated
(Including Linearity)'@dc
% FS :!: 1/2LSB
0.0122
Data Ready; use trailing edge to strobe output data into external circuits
(see text).
Monotonicity
Diff. Nonlinearity vs. TemperatUre
Offset vs. Temperature
Gain vs. TemperatUre
ppmrC (max)
ppmrC (max)
ppmrC(max)
Guaranteed Over Temperature
2(4)
50(100)
75(150)
'For word rates below 100kHz, consult factory.
'See text for description of Effective Aperture Delay Time.
'Rms signal to rms noise ratio with full scale 540kHz analog input;
minimums guaranteed over operating temperature range of O°C to + 70°C
(see Figure 3).
'For full-scale step input, 12-bit accuracy attained in specified time.
In-Band Harmonics'
de to 500kHz InpUt
dB BelowFS (min)
74(70)
'Recovers to 12-bil accuracy in specified time after 2 x FS input
overvoltage.
'Input bandwidth flat within 0.2dB, de to IMHz.
500kHz to IMHz InpUt
Conversion Time'
Conversion Rate'
Aperture Uncertainty (Jitter)
dB BelowFS (min)
ns (max)
MHz (max)
ps, rms, max
67(60)
400 (:!:25) + 2 Clock Periods
dct02(2.2)
30
'Each input frequency applied at level 7dB below full scale.
"Standard bipolar input is adjustable'" 5% with on-card potentiometer
(see text and Figure 1).
"Adjustable'" 15mV without performance degradation
(see text and Figure 1).
Effective ApertUre Delay Time'
ns (max)
-19(:!:5)
"Transition from digital "0" to digital "1" initiates encoding.
Signal to Noise Ratio (SNR)'
13'" 15V must be equal and opposite within 200mV and track over
OBSOLETE 360kHz Input
Transient Response6
Overvoltage Recovery'
InpUt Bandwidth (3dB)"
Two-Tone Linearity (@ Input Frequencies)9
(500kHz; 540kHz)
ANALOG INPUT
Voltage Range 10
Operating
Maximum Without
InpUt Type
Impedance
Offset"
Initial
Damage
Logic Levels, TTL-Compatible
Impedance
Rise and Fall Times
Wjdth
Min
Max
Frequency
dB (min)
ns
ns
MHz
dB Below FS
66(65)
500
1000
5
65
V,FS
V,max
D
mV
:!:2.048
:':4
Bipolar
95
:,:2
V
V
D,min
nS,max
"0" =0 to +0.4
"1"~+2.5to+5.0
lOOk
10
ns
20
70%of Encode Command Period
MHz
dcto2
temperature.
Specifications subject to change without notice.
PIN DESIGNATIONS
ROW A
PIN FUNCTION
1 GROUND
2 GROUND
3 GROUND
4 GROUND
5 GROUND
6 GROUND
7 GROUND
ROWB
PIN FUNCTION
1 ENCODE COMMAND
2 GROUND
3 GROUND
4 GROUND
5 GROUND
6 GROUND
7 GROUND
DIGITAL OUTPUT
Format
Logic Levels, TTL-Compatible
Drive
Time Skew
Coding
Data Bits
Data Ready
V
LS Loads
nS,max
12Parallel, Plus MSB; NRZ
I;RZ
"O"=Oto +0.5
"1"= +2.5to +4.0
10
10
Binary (BIN);
2's Complement (2SC)
8 NO CONNECTION
9 GROUND
10 GROUND
11 -5.2V
12 -5.2VSENSE
13 +15V
14 + 15V SENSE
15 -15V
16 - 15V SENSE
17 +5V
8 DATA READY
9 GROUND
10 GROUND
11 -5.2V
12 -5.2VRETURN'
13 +15V
14 + 15V RETURN'
15 -15V
16 -15V RETURN'
17 +5V
Logic Levels, TTL-Compatible
Drive
Rise and Fall Times
Duration
V
LS Loads
ns, max
ns(max)
"O"=Oto +0.5
"I"=+2.5to+4.0
10
10
50(:': 10)
18 +5VSENSE
19 GROUND
20 GROUND
21 GROUND
22 GROUND
23 GROUND
18 + 5V RETURN'
19 GROUND
20 BIT 1 (MSB)
21 BIT 1 (MSB)
22 BIT2
23 BIT3
+ l5V :': 5%
-15V :': 5%
+ 5V :': 5%
-5.2V:,:5%
Power Consumption
mA (max)
mA (max)
mA(max)
A (max)
W(max)
105(120)
70(80)
530(550)
1.0(1.2)
10.5 (12)
24 GROUND
25 GROUND
26 GROUND
27 GROUND
28 GROUND
29 GROUND
24 BIT4
25 BIT5
26 BIT6
27 BIT7
28 BIT8
29 BIT9
TEMPERATURE RANGE
30 GROUND
30 BIT10
Operating
'c
Oto +70
31 GROUND
31 BIT 11
Storage
'c
-55 to +85
32 GROUND
32 BIT 12 (LSB)
Cooling Air Requirements
LFPM
500
(Linear Feet Per Minute)
'CONNECTED INTERNALLY TO GROUND PINS
CONSTRUCTION
ANALOG INPUT IS SMA CONNECTOR LABELED J2
Single Printed Circuit Card
Including Connectors
Board Only
Millimeters
Inches
Millimeters
Inches
167.3xIOOxI3.13
6.59x3.93xO.517
160x 100x 1.57
6.3 x 3.93 x 0.062
~
~-
(1-4)
$
1940
For Applications AssiStance, Call CompUter Labs Division «(1()919)668-95 II.
-2-