Datasheet

THS4221, THS4225
THS4222, THS4226
SLOS399G − AUGUST 2002 − REVISED JANUARY 2004
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8
ELECTRICAL CHARACTERISTICS (continued)
V
S
= 3.3 V, R
L
= 499 Ω, and G = 1 unless otherwise noted
TYP OVER TEMPERATURE
PARAMETER TEST CONDITIONS
25°C 25°C
0°C to
70°C
−40°C
to 85°C
UNITS
MIN/
MAX
POWER SUPPLY
Specified operating voltage 3.3 15 15 15 V Max
Maximum quiescent current Per channel 11 13 16 17 mA Max
Power supply rejection (±PSRR) 65 60 55 55 dB Min
POWER-DOWN CHARACTERISTICS
Maximum power-down current
PD ≤ REF +1.0 V, REF = 0 V,
Per channel
500 700 800 800 µA Max
REF 0 V or V
S
Enable REF+1.8 V Min
Power down voltage level
(1)
REF = 0 V, or V
S−
Power down REF+1 V Max
Power-down voltage level
(1)
REF V
S
or floating
Enable REF−1 V Min
REF = V
S+
or floating
Power down REF−1.5 V Max
Turnon time delay 50% of final value 200 ns Typ
Turnoff time delay 50% of final value 500 ns Typ
Input impedance 58 Ω Typ
Isolation f = 5 MHz 80 dB Typ
(1)
For detail information on the power-down circuit, refer to the powerdown section in the application information of this data sheet.