HCPL-786J Avago Technologies US Inc., HCPL-786J Datasheet - Page 9

• Manufacturer Part Number: HCPL-786J
• Description: Isolation Amplifiers Isolated Modulator
• Manufacturer: Avago Technologies US Inc.

Specifications of HCPL-786J

• Mounting Style: SMD/SMT
• Package / Case: SO-16
• Lead Free Status / Rohs Status: In Transition

Package Characteristics
*The Input-Output Momentary Withstand Voltage is a dielectric voltage rating that should not be interpreted as an input-output continuous voltage
rating. For the continuous voltage rating refer to the IEC/EN/DIN EN 60747-5-2 Insulation Characteristics Table (if applicable), your equipment level
safety specification, or Avago Technologies Application Note 1074, “Optocoupler Input-Output Endurance Voltage. ”
Notes:
1. If V
2. All units within each HCPL-7860 standard packaging increment (either 50 per tube or 1000 per reel) have a Reference Voltage Matching of ± 1%.
3. Because of the switched-capacitor nature of the isolated modulator, time averaged values are shown.
4. CMRR
5. Short-circuit current is the amount of output current generated when either output is shorted to V
6. Data hold time is amount of time that the data output MDAT will stay stable following the rising edge of output clock MCLK.
7. Resolution is defined as the total number of output bits. The useable accuracy of any A/D converter is a function of its linearity and signal-to-noise
8. Integral nonlinearity is defined as one-half the peak-to-peak deviation of the best-fit line through the transfer curve for V
9. Differential nonlinearity is defined as the deviation of the actual difference from the ideal difference between midpoints of successive output codes,
10. Data sheet value is the average magnitude of the difference in offset voltage from T
11. Beyond the full-scale input range the output is either all zeroes or all ones.
12. The effective number of bits (or effective resolution) is defined by the equation ENOB = (SNR-1.76)/6.02 and represents the resolution of an ideal,
13. Conversion time is defined as the time from when the convert start signal CS is brought low to when SDAT goes high, indicating that output data
14. Signal delay is defined as the effective delay of the input signal through the Isolated A/D converter. It can be measured by applying a -200 mV to
15. The minimum and maximum overrange detection time is determined by the frequency of the channel 1 isolated modulator clock.
16. The minimum and maximum threshold detection time is determined by the user-defined configuration of the adjustable threshold detection circuit
17. The signal bandwidth is the frequency at which the magnitude of the output signal has decreased 3 dB below its low-frequency value. The signal
18. The isolation transient immunity (also known as Common-Mode Rejection) specifies the minimum rate-of-rise of an isolation-mode signal applied
19. In accordance with UL1577, for devices with minimum V
20. This is a two-terminal measurement: pins 1-4 are shorted together and pins 5-8 are shorted together.
9
Parameter
Input-Output Momentary
Withstand Voltage*
Input-Output Resistance
Input-Output Capacitance
Input IC Junction-to-Case
Thermal Resistance
Output IC Junction-to-Case
Thermal Resistance
intended for customer use.
An Absolute Reference Voltage Tolerance of ± 4% is guaranteed between standard packaging increments.
V
recommended.
ratio, rather than how many total bits it has.
expressed either as the number of LSBs or as a percent of measured input range (400 mV).
expressed in LSBs.
standard deviation from typical value is less than 6 µV/°C.
quantization-noise limited A/D converter with the same SNR.
is ready to be clocked out. This can be as small as a few cycles of the isolated modulator clock and is determined by the frequency of the isolated
modulator clock and the selected Conversion and Pre-Trigger modes. For determining the true signal delay characteristics of the A/D converter for
closed-loop phase margin calculations, the signal delay specification should be used.
± 200 mV step at the input of modulator and adjusting the relative delay of the convert start signal CS so that the output of the converter is at mid
scale. The signal delay is the elapsed time from when the step signal is applied at the input to when output data is ready at the end of the conver-
sion cycle. The signal delay is the most important specification for determining the true signal delay characteristics of the A/D converter and should
be used for determining phase margins in closed-loop applications. The signal delay is determined by the frequency of the modulator clock and
which Conversion Mode is selected, and is independent of the selected Pre-Trigger Mode and, therefore, conversion time.
and the frequency of the channel 1 isolated modulator clock. See the Applications Information section for further detail. The specified times apply
for the default configuration.
bandwidth is determined by the frequency of the modulator clock and the selected Conversion Mode.
across the isolation boundary beyond which the modulator clock or data signals are corrupted.
an insulation test voltage greater than 4500 V
b, 100% production test for partial discharge shown in IEC/EN/DIN EN 60747-5-2 Insulation Characteristics Table.
IN+
IN-
and V
IN
(pin 3) is brought above V
is defined as the ratio of the gain for differential inputs applied between V
IN-
with respect to input ground GND1.
DD1
- 2 V with respect to GND1 an internal optical-coupling test mode may be activated. This test mode is not
Symbol
V
R
C
q
q
I-O
ISO
I-O
jci
jco
rms
for one second (leakage current detection limit I
Min.
3750
10
10
ISO
12
11
specified at 3750 V
Typ.
10
1.4
96
114
13
rms
Max.
, each isolated modulator (optocoupler) is proof-tested by applying
IN+
and V
A
=25°C to T
IN-
Units
Vrms
W
pF
°C/W
°C/W
to the gain for common-mode inputs applied to both
I-O
< 5µA). This test is performed before the Method
DD2
A
= 85°C, expressed in microvolts per °C. Three
or GND2. Use under these conditions is not
Conditions
RH �� 50%, t = 1 min��
T
V
T
f = 1 MHz
Thermocouple located at center underside
of package
A
A
I-O
= 25°C
= 100°C
�� 50%, t = 1 min��
= 500 Vdc
50%, t = 1 min��
IN+
= -200 mV to +200 mV,
Note
19, 20
20
20