AD1382KD ,18V; 900mW; 16-bit 500kHz sampling ADC. For medical imaging, CAT, magnetic resonance, vibration analysis, parametric measurement unit (ATE)CHARACTERISTICS
t10 V FSR, VIN = -0.4 dB
Sample Rate 500 kHz
Signal-to-Noise Ratios
f = 5 kHz 9 ..
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AD1382KD
18V; 900mW; 16-bit 500kHz sampling ADC. For medical imaging, CAT, magnetic resonance, vibration analysis, parametric measurement unit (ATE)
ANALOG
DEVICES
16-Bit 500 kHz
Sampling hilt
MI 382
PRODUCT FEATURES
Single Package
16-Bit Resolution
500 kHz Sampling Rate
SNR 90 dB (ri 100 kHz (min)
THD -88 dB Cir) 100 kHz (min)
0.0015% FSR INL (typ)
t5, t10 V Bipolar Input
Zero Offset Autocalibration
APPLICATIONS
Medical Imaging
Magnetic Resonance
Vibration Analysis
Parametric Measurement Unit (ATE)
Waveform/Transient Recorders
Analytical Instruments
PRODUCT DESCRIPTION
The AD1382 is a complete 500 kHz, 16-bit, sampling analog-
to-digital converter contained in a single package. This high res-
olution, high speed converter offers outstanding noise and dis-
tortion performance along with excellent INL and DNL
performance, all in a single dual-in-line package.
The AD1382 guarantees outstanding noise and distortion perfor-
mance for both :5 V and :10 V input ranges. The AD1382
architecture includes a low noise and low distortion track/hold
with a three-pass digitally corrected subranging ADC. Precision
thin film resistors and a new proprietary DAC provide for out-
standing dynamic and static performance. Output data is multi-
plexed over an eight-bit CMOS/TTI. compatible data bus.
This is an abridged data sheet. To obtain the most recent version or
complete data sheet, call our fax retrieval system at 1-800-446-6212.
REV. A
FUNCTIONAL BLOCK DIAGRAM
CLOCK & CONTROL
REFERENCE l l l l l 8
(ejfTr-----iiii"i'i' / >DATA
AD1382 l [ii: '.
t-tFjirtii:
HOLD ADC
IN OUT V‘NA VINB
The AD1382 uses four power supplies, t5 V and +15 V, and
an external 10 MHz clock. Power dissipation is nominally
2.8 W. Two user selectable bipolar input ranges, t5 V and
:10 V are provided. Careful attention to grounding and a single
package make it easy to design PCBs to achieve specified
performance.
A0138fl-SPEClFlthTlt)lG
(IA = +25T, lls = :15 ll, Ilo, = +5 ll, Ilss = --5 ll, 10 bolt External Clock,
5 Minute Warm-up, unless otherwise noted)
AD1382KD
Parameter Min Typ Max Units
RESOLUTION 16 Bits
ANALOG INPUT -
Input Ranges t5, -10 V
Input Impedance 2.45 2.5 2.55 kil
FRAjSFER CHARACTERISTICS _ -
(Combined ADC/Track/Hold)
Integral Nonlinearity' t0.0015 % FSR2
Differential Nonlinearityl :0.0006 :0.0015 % FSR
Missing Codes None
Gain Error3 t0.07 :0.15 % FSR
Bipolar Zero3 t0.03 L0.10 % FSR
PSRR 70.006 :0.10 % FSR/V
Noise" 55 WV RMS
DYNAMIC CHARACTERISTICS '
+5 V FSR, VIN = -().4 dB
Sample Rate 500 kHz
Signal-to-Noise Ratio5
f = 5 kHz 90 93 dB
f = 100 kHz 90 92 dB
f = 200 kHz 88 91 dB
Peak Distortion
f = 5 kHz -90 -98 dB
f= 100 kHz -fi8 -93 dB
f = 200 kHz -fi2 -85 dB
Total Harmonic Distortion"
f - 5 kHz -9() 96 dB
f- 100 kHz -88 -92 dB
f- 200 kHz _82 -85 dB
DYNAMIC CHARACTERISTICS
:10 V FSR, VIN = -0.4 dB
Sample Rate 500 kHz
Signal-to-Noise Ratio5
f - 5 kHz 90 95 dB
f = 100 kHz 90 94 dB
f - 200 kHz 88 93 dB
Peak Distortion
f = 5 kHz -9i) -98 dB
f = 100 kHz -80 -87 dB
f = 200 kHz -74 -81 dB
Total Harmonic Distortions
f = 5 kHz -90 -96 dB
f = 100 kHz -80 -87 dB
f - 200 kHz -74 81 dB
FIGITAL INPUTS"
Input Voltage
VIL 0.8 V
v, 2.0 V
Input Current t200 p.A
Input Capacitance 2 pF
Start Command
Setup Time, tscs 10 3 ns
Hold Time, [son 10 0 ns
Autozero
Setup Time, tazs 10 0 ns
Hold Time, IAZH 20 6 ns
Frequency 2.5 10 MHz
Duty Cycle 40 60 %
-2- REV. A
AD1382
AD1382KD
Parameter Min Typ Max Units
DIGITAL INPUTS (Continued)
Aperture Delay7 7 ns
DIGITAL OUTPUT/ 9
Output Voltage
Vor, Cot lor, = 3.2 mA 0.2 0.4 V
Vor, (h lor, = -3.2 mA 2.4 4.5 V
Output Capacitance 10 pF
Leakage, Outputs Disabled :200 WA
Data Valid
Setup Time, tovs 75 150 ns
Hold Time, tova, 25 50 ns
Hold Command Time, tr, 1300 ns
Hold Command Delay, tru, 6 ns
Data Strobe Pulse Width, tos 200 ns
Data Strobe Delay, IDS" 1650 ns
OUTPUT CODING Complementary Offset Binary or
Complementary Twos Complement
PERFORMANCE OVER TEMPERATURE'" 10
Operating Temperature Range 0 70 'C
Specified Temperature Range 10 40 T
Missing Codes None
Gain Drift 8 15 ppm/T
Offset Drift 5 15 ppm/°C
Differential Linearity 0.3 ppm/°C
INTERNAL REFERENCE
Voltage 9.990 10.010 V
Current 2 10 mA
POWER REQUIREMENTS
Operating Range
tVs, 14.25 15.75 V
+VDD 4.75 5.25 V
-Vss -5.25 -4.75 V
Current Drains
+Vs 50 73 mA
-Vs 45 65 mA
+Vm) 115 160 mA
*VSS 160 200 mA
Power Dissipation 2.8 3.9 Watts
'Integral linearity is inferred from FFT. Differential linearity is derived from histogram.
TSR, full-scale range.
'Adjustable to zero.
'Noise based on small signal FFT excluding quantization noise.
SSNR fundamental to noise minus harmonics 2-9.
t"THD includes harmonics 2-9 of the fundamental.
'Aperture delay is the time from the rising edge on the Hold Command Input to the opening of the switch in the Track/Hold.
8Guaranteed but not 100% production tested.
"Timing based on 10 MHz clock. Refer to Figures 13 and 14.
10Case to ambient temperature is assumed to be 30"C. The AD1382 case temperature will stabilize about 30''C above ambient while operating in free air without
a heat sink. Factory calibration is done in this condition. See the application section for further information.
Specifications subject to change without notice.
REV. A
MI 382
ABSOLUTE MAXIMUM RATINGS
+VS t0 AGND ............................ 18 V
-Vs to AGND ........................... --18 V
Su, t0 PGND ............................. 7 V
Vss to PGND ............................ -7 v
AGND t0 PGND ......................... t0.3 V
Analog Inputs ............................. :VS
Digital Inputs ................ -0.3 V to Vor, + 0.3 V
Output Short Circuit Duration
Reference Output ...................... Indefinite
Track/Hold Output ........................ 1 sec
Digital Outputs ............ 1 sec for Any One Output
Ambient Temperature (Operating) .......... 0°C to +70°C
Storage Temperature ................ -6YC to +150°C
*Stresses greater than those listed under "Absolute Maximum Ratings" may
cause permanent damage to the device. This is a stress rating only and
functional operation of the device at these or any other conditions above those
indicated in the operational section of this specification is not implied.
Exposure to absolute maximum rating conditions for extended periods may
affect device reliability.
CAUTION
AD1382 PIN CONNECTIONS
The AD1382 is housed in a 48-pin bottom-brazed ceramic bath-
tub package. The pinout is as follows:
PIN FUNCTION PIN FUNCTION
1 CLOCK IN 48 Vom, (+5 v POWER)
2 POWER GROUND 47 POWER GROUND
3 81/89 MSB 46 Vssa (-5 V POWER)
4 B21B10 45 AUTOZERO
5 83/811 44 B1 SELECT
6 84/812 43 POWER GROUND
7 851813 42 POWER GROUND
s 861814 41 DNC
9 B71815 40 GAIN ADJUST
10 88/816 LSB 39 +10 v REFERENCE OUT
11 Voor (+5 v SIGNAL) 38 -Vs,(-15 v)
12 POWER GROUND 37 SIGNAL GROUND
13 Vss, (-5 v SIGNAL) 36 +Vs, (+15 V)
14 SIGNAL GROUND 35 SIGNAL GROUND
15 DATA STROBE 34 DNC
16 Hl/LO BYTE SELECT 33 DNC
17 OE DATA ENABLE 32 +10 V REFERENCE IN
18 START CONVERT 31 vIN B
19 HOLD COMMAND OUT 30 vIN A
20 SIGNAL GROUND 29 OFFSET ADJUST
21 +vsz (+15 V) 28 DNC
22 HOLD COMMAND IN 27 TRACK/HOLD OUTPUT
23 -Vs, i-15 V) 26 SIGNAL GROUND
24 POWER GROUND 25 TRACK/HOLD INPUT
DNC = DO NOT CONNECT
ESD (electrostatic discharge) sensitive device. The digital control inputs are diode protected;
however, permanent damage may occur on unconnected devices subject to high energy electro-
static fields. Unused devices must be stored in conductive foam or shunts, The protective foam
should be discharged to the destination socket before devices are removed.
ESD SENSITIVE DEVICE
ORDERING GUIDE
Temperature Package
Model Range Option"
AD1382KD 10°C to 40°C Ambient DH-48A
(40"C to 70°C Case)
*DH-48A - Hermetic Ceramic DIP. For outline information see Package
Information section.
REV. A
