Datasheet

THS4531A
www.ti.com SLOS823A –DECEMBER 2012–REVISED JANUARY 2013
ELECTRICAL CHARACTERISTICS: V
S
= 2.7 V (continued)
Test conditions at T
A
= 25°C, V
S+
= 2.7 V, V
S–
= 0 V, V
OCM
= open, V
OUT
= 2 V
PP
, R
F
= 2 kΩ, R
L
= 2 kΩ differential, G = 1 V/V,
single-ended input, differential output, and input and output referenced to mid-supply, unless otherwise noted.
TEST
PARAMETER CONDITIONS MIN TYP MAX UNITS
LEVEL
POWER SUPPLY
Specified operating voltage 2.5 5.5 V B
T
A
= +25°C, PD = V
S+
230 330 A
Quiescent operating current/ch µA
T
A
= –40°C to +125°C, PD = V
S+
270 370 B
Power-supply rejection (PSRR) 87 108 dB A
POWER DOWN
Enable voltage threshold Specified on above 2.1 V 2.1 V A
Disable voltage threshold Specified off below 0.7 V 0.7 A
Disable pin bias current PD = V
S–
+ 0.5 V 50 500 nA A
Power-down quiescent current PD = V
S–
+ 0.5 V 0.5 2 µA A
Turn-on time delay Time from PD = high to V
OUT
= 90% of final 650
value, R
L
= 200 Ω
ns C
Time from PD = low to V
OUT
= 10% of original
Turn-off time delay 20
value, R
L
= 200 Ω
OUTPUT COMMON-MODE VOLTAGE CONTROL (V
OCM
)
Small-signal bandwidth V
OCM
input = 100 mV
PP
23 MHz C
Slew rate V
OCM
input = 1 V
STEP
14 V/µs C
Gain 0.99 0.996 1.01 V/V A
Common-mode offset voltage Offset = output common-mode voltage – V
OCM
±1 ±5 mV A
input voltage
V
OCM
input bias current V
OCM
= (V
S+
– V
S–
)/2 ±20 ±100 nA A
V
OCM
input voltage range 0.8 0.75 to 1.75 V A
1.9
V
OCM
input impedance 100 || 1.6 kΩ || pF C
Default voltage offset from Offset = output common-mode voltage – ±3 ±10 mV A
(V
S+
– V
S–
)/2 (V
S+
– V
S–
)/2
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