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HCPL-7860 Datasheet(PDF) 8 Page - Agilent(Hewlett-Packard)

Part # HCPL-7860
Description  Optically Isolated Sigma-Delta Modulator
PDF  18 Pages
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Manufacturer  HP [Agilent(Hewlett-Packard)]
Direct Link  http://www.home.agilent.com
Logo HP - Agilent(Hewlett-Packard)

HCPL-7860 Datasheet(HTML) 8 Page - Agilent(Hewlett-Packard)

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8
Electrical Specifications (Tested with HCPL-0872 or Sinc3 Filter)
Unless otherwise noted, all specifications are at VIN+ = -200 mV to +200 mV and VIN- = 0 V; all Typical specifications are
at TA = 25°C and VDD1 = VDD2 = 5 V, and all Minimum and Maximum specifications apply over the following ranges: TA = -
40°C to +85°C, VDD1 = 4.5 to 5.5 V and VDD2 = 4.5 to 5.5 V.
STATIC CHARACTERISTICS
DYNAMIC CHARACTERISTICS (Digital Interface IC HCPL-0872 is set to Conversion Mode 3.)
Parameter
Symbol
Min.
Typ.
Max.
Units
Conditions
Fig.
Note
Signal-to-Noise Ratio
SNR
62
73
dB
VIN+ = 35 Hz,
400 mVpk-pk
(141 mVrms)
sine wave.
9,10
Total Harmonic Distortion
THD
-67
dB
Signal-to-(Noise + Distortion)
SND
66
dB
Effective Number of Bits
ENOB
10
12
bits
11
12
Conversion Time
tC2
0.2
0.8
µs
Pre-Trigger Mode 2
1,12
13
tC1
19
23
µs
Pre-Trigger Mode 1
1,12
13
tC0
39
47
µs
Pre-Trigger Mode 0
1,12
Signal Delay
tDSIG
19
23
µs
13
14
Over-Range Detect Time
tOVR1
2.0
3.0
4.2
µs
VIN+ = 0 to 400mV
step waveform
14
15
Threshold Detect Time
(default configuration)
tTHR1
10
µs
16
Signal Bandwidth
BW
18
22
kHz
15
17
Isolation Transient Immunity
CMR
15
20
kV/µs
VISO = 1 kV
18
Parameter
Symbol
Min.
Typ.
Max.
Units
Conditions
Fig.
Note
Resolution
15
bits
7
Integral Nonlinearity
INL
3
30
LSB
5
8
0.01
0.14
%
6
8
Differential Nonlinearity
DNL
1
LSB
9
Uncalibrated Input Offset
VOS
-3
0
3
mV
VIN+ = 0 V
7
Offset Drift vs. Temperature
dVOS/dTA
210
µV/°C
VIN+ = 0 V
7
10
Offset drift vs. VDD1
dVOS/dVDD1
0.12
mV/V
VIN+ = 0 V
7
Internal Reference Voltage
VREF
320
mV
8
Absolute Reference Voltage
Tolerance
-4
4
%
8
Reference Voltage
Matching
HCPL-7860
-1
1
%
TA = 25°C.
See Note 11
8
HCPL-786J
-2
2
%
VREF Drift vs. Temperature
dVREF/dTA
60
ppm/°C.
8
VREF Drift vs. VDD1
dVREF/dVDD1
0.2
%
8
Full Scale Input Range
-VREF
+VREF
mV
Recommended Input Voltage Range
-200
+200
mV



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