HCPL-7860 Datasheet, PDF (17/28 Pages) Agilent(Hewlett-Packard) – Isolated 15-bit A/D Converter

Electrical Specifications, Digital Interface IC
Unless otherwise noted, all Typical specifications are at T_A = 25°C and V_DD = 5 V, and all Minimum and
Maximum specifications apply over the following ranges: T_A = -40°C to +85°C and V_DD = 4.5 to 5.5 V.
Parameter
Symbol Min. Typ. Max. Units Test Conditions Fig. Note
Supply Current
I_DD
DC Input Current
I_IN
Input Logic Low Voltage
V_IL
Input Logic High Voltage
V_IH
Output Logic Low Voltage
V_OL
Output Logic High Voltage V_OH
Clock Frequency (CCLK,
f_CLK
MCLK and SCLK)
20 35
0.001 10
0.8
2.0
0.15 0.4
4.3 5.0
20
mA
µA
V
V
V
V
MHz
f_CLK = 10 MHz
I_OUT = 4 mA
I_OUT = -400 µA
Clock Period (CCLK,
t_PER
50
ns
18,
MCLK and SCLK)
19
Clock High Level Pulse
t_PWH
20
ns
Width (CCLK, MCLK
and SCLK)
Clock Low Level Pulse
Width (CCLK, MCLK
and SCLK)
t_PWL
20
Setup Time from DAT to
t_SUCLK
10
18
Rising Edge of CLK
(CDAT, CCLK, MDAT
and MCLK)
DAT Hold Time after
Rising Edge of CLK
(CDAT, CCLK, MDAT
and MCLK)
t_HDCLK
10
Setup Time from Falling
Edge of CLAT to First
Rising Edge of CCLK
t_SUCL1
20
Setup Time from Last
Rising Edge of CCLK
to Rising Edge of CLAT
t_SUCL2
20
Delay Time from Falling
t_DSDAT
15
19
Edge of SCLK to SDAT
Setup Time from Data
Ready to First Falling
Edge of SCLK
t_SUS
200
Setup Time from CHAN
to falling edge of CS
t_SUCHS
20
Reset High Level Pulse
Width
t_PWR
100
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