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ISO806 Datasheet Preview

ISO806 Datasheet

Isolated 12-Bit Sampling ANALOG-TO-DIGITAL CONVERTER

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®
ISO806
ISO806
Isolated 12-Bit Sampling
ANALOG-TO-DIGITAL CONVERTER
FEATURES
q 1500Vrms ISOLATION CONTINUOUS
q 25µS CONVERSION TIME
q 12-BIT SERIAL OUTPUT
q SINGLE +5V SUPPLY
q 28-PIN 0.6" PLASTIC DIP
APPLICATIONS
q INDUSTRIAL PROCESS CONTROL
q PC-BASED DATA ACQUISITION TEST
EQUIPMENT
DESCRIPTION
The ISO806 is a low-power isolated sampling ADC
using state-of-the-art CMOS structures and high volt-
age capacitors. The ISO806 contains a complete 12-bit
capacitor based SAR, ADC with S/H, clock, refer-
ence, µP interface, serial out and galvanic isolation.
Laser-trimmed scaling resistors provide standard
industrial input ranges including ±10V, ±5V, 0-5V,
0-4V. They are available in 28-pin 0.6" wide plastic
DIP and are specified over the industrial temperature
range of –40°C to +85°C.
www.DataSheet.net/
Isolation
Barrier
R1IN
40k
R2IN
CAP
10k40k
REF
Successive Approximation Register and Control Logic
Clock
Internal
+2.5V Ref
6k
Serial
Data
Out
SB/BTC
R/C
BUSY
Data Clock
Serial Data
International Airport Industrial Park • Mailing Address: PO Box 11400, Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: (520) 746-1111 • Twx: 910-952-1111
Internet: http://www.burr-brown.com/ • FAXLine: (800) 548-6133 (US/Canada Only) • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
©1996 Burr-Brown Corporation
PDS-1316B
Printed in U.S.A. August, 1997
Datasheet pdf - http://www.DataSheet4U.co.kr/




Burr-Brown

ISO806 Datasheet Preview

ISO806 Datasheet

Isolated 12-Bit Sampling ANALOG-TO-DIGITAL CONVERTER

No Preview Available !

SPECIFICATIONS
ELECTRICAL
At TA = –40°C to +85°C, fS = 40kHz, VDIG = VANA = +5V, using internal reference and fixed resistors shown in Figure 3b, unless otherwise specified.
ISO806P
PARAMETER
CONDITIONS
MIN TYP
MAX
UNITS
ISOLATION PARAMETERS
Rated Voltage, Continuous
Partial Discharge, 100% Test(8)
Creepage Distance (External) DIP = “P” Package
Internal Isolation Distance
Barrier Impedance
Leakage Current(9)
RESOLUTION
ANALOG INPUT
Voltage Ranges
Impedance
Capacitance
THROUGHPUT SPEED
Conversion Time
Complete Cycle
Throughput Rate
DC ACCURACY
Integral Linearity Error
Differential Linearity Error
No Missing Codes
Transition Noise(2)
Full Scale Error(3,4)
Full Scale Error Drift
Full Scale Error Drift
Bipolar Zero Error(3)
Bipolar Zero Error Drift
Unipolar Zero Error(3)
Unipolar Zero Error Drift
Power Supply Sensitivity (VDIG = VANA = VS)
AC ACCURACY
Spurious-Free Dynamic Range
Total Harmonic Distortion
Signal-to-(Noise+Distortion)
Signal-to-Noise
Useable Bandwidth(6)
SAMPLING DYNAMICS
Aperture Delay
Aperture Jitter
Overvoltage Recovery(7)
REFERENCE
Internal Reference Voltage
Internal Reference Source Current
(Must use external buffer.)
Internal Reference Drift
External Reference Voltage Range
for Specified Linearity
External Reference Current Drain
DIGITAL INPUTS
Logic Levels
VIL
VIH
IIL
IIH
DIGITAL OUTPUTS
Data Coding
VOL
VOH
50Hz
1s, 5pC
240Vrms, 60Hz
240Vrms, 50Hz
Acquire and Convert
Ext. 2.5000V Ref
±10V Range
±10V Range
0V to 5V, 0V to 4V Ranges
0V to 5V, 0V to 4V Ranges
+4.75V < VS < +5.25V
fIN = 1kHz, ±10V
fIN = 1kHz, ±10V
fIN = 1kHz, ±10V
fIN = 1kHz, ±10V
No Load
Ext. 2.5000V Ref
VIL = 0V
VIH = 5V
ISINK = 1.6mA
ISOURCE = 500µA
1500
2500
16
0.10
>1013 II 15
1.7
1.4
12
±10, 0 to +5, 0 to +4
(See Table II)
35
20
25
40
±0.15
±0.15
Guaranteed
0.1
±7
±0.5
±0.5
±0.5
±0.9
±0.9
±0.5
±10
±3
±0.5
www.DataSheet.net/
90
–90
73
73
130
40
20
750
2.48
2.5
1
8
2.3 2.5
2.52
2.7
100
–0.3
VD –1.0
1.0
VD +0.3V
±10
±10
Binary Two’s Complement or Straight Binary
0.4
+4
Vrms
Vrms
mm
mm
II pF
µArms
µArms
Bit
V
pF
µs
µs
kHz
LSB(1)
LSB
Bits
LSB
%
ppm/°C
ppm/°C
mV
ppm/°C
mV
ppm/°C
LSB
dB(5)
dB
dB
dB
kHz
ns
ps
ns
V
µA
ppm/°C
V
µA
V
V
µA
µA
V
V
The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN
assumes no responsibility for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject
to change without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not
authorize or warrant any BURR-BROWN product for use in life support devices and/or systems.
®
ISO806
2
Datas


Part Number ISO806
Description Isolated 12-Bit Sampling ANALOG-TO-DIGITAL CONVERTER
Maker Burr-Brown
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ISO806 Datasheet PDF






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