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| THS4531A_15 Datasheet, PDF (10/59 Pages) Texas Instruments – THS4531A Ultra Low-Power, Rail-to-Rail Output, Fully Differential Amplifier | |||
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THS4531A
SLOS823B â DECEMBER 2012 â REVISED JUNE 2015
www.ti.com
Electrical Characteristics: VS = 5 V (continued)
Test conditions at TA â 25°C, VS+ = 5 V, VSâ = 0 V, VOCM = open, VOUT = 2 VPP, RF = 2 kΩ, RL = 2 kΩ differential, G = 1 V/V,
single-ended input, differential output, and output referenced to mid-supply, unless otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX UNIT
TEST
LEVEL
Linear output current drive
POWER SUPPLY
TA = 25°C, RL = 6Ω
TA = â40°C to +125°C
±15
±25
±15
A
mA
B
Specified operating voltage
2.5
5
5.5 V
B
Quiescent operating current/ch
Power-supply rejection (PSRR)
TA = 25°C, PD = VS+
TA = â40°C to 125°C, PD = VS+
250
350
A
µA
290
390
B
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
V
A
Disable pin bias current
PD = VSâ + 0.5 V
Power-down quiescent current
PD = VSâ + 0.5 V
Turnon time delay
Time from PD = high to VOUT = 90% of final
value, RL= 200 Ω
Turnoff time delay
Time from PD = low to VOUT = 10% of
original value, RL= 200 Ω
OUTPUT COMMON-MODE VOLTAGE CONTROL (VOCM)
Small-signal bandwidth
VOCM input = 100 mVPP
Slew rate
VOCM input = 1 VSTEP
Gain
50
500 nA
A
0.5
2 µA
A
600
ns
C
15
ns
C
24
MHz
C
15
V/µs
C
0.99 0.996
1.01 V/V
A
Common-mode offset voltage
VOCM input bias current
VOCM input voltage range
Offset = output common-mode voltage â
VOCM input voltage
VOCM = (VS+ + VSâ)/2
â5
±1
5 mV
A
±20
±120 nA
A
0.95
0.75 to
4.15
4.0 V
A
VOCM input impedance
Default voltage offset from
(VS+ + VSâ)/2
Offset = output common-mode voltage â
(VS+ + VSâ)/2 with VOCM input floating
65 || 0.86
â10
±3
kΩ || pF C
10 mV
A
10
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