Datasheet
THS4531A
SLOS823A –DECEMBER 2012–REVISED JANUARY 2013
www.ti.com
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
DC PERFORMANCE
Open-loop voltage gain (A
OL
) 100 113 dB A
T
A
= +25°C ±100 ±400 A
T
A
= 0°C to +70°C ±715
Input-referred offset voltage µV
T
A
= –40°C to +85°C ±855 B
T
A
= –40°C to +125°C ±1300
T
A
= 0°C to +70°C ±2 ±7
Input offset voltage drift
(1)
T
A
= –40°C to +85°C ±2 ±7 µV/°C B
T
A
= –40°C to +125°C ±3 ±9
T
A
= +25°C 200 250 A
T
A
= 0°C to +70°C 275
Input bias current nA
T
A
= –40°C to +85°C 286 B
T
A
= –40°C to +125°C 305
T
A
= 0°C to +70°C 0.45 0.55
Input bias current drift
(1)
T
A
= –40°C to +85°C 0.45 0.55 nA/°C B
T
A
= –40°C to +125°C 0.45 0.55
T
A
= +25°C ±5 ±50 A
T
A
= 0°C to +70°C ±55
Input offset current nA
T
A
= –40°C to +85°C ±57 B
T
A
= –40°C to +125°C ±60
T
A
= 0°C to +70°C ±0.03 ±0.1
Input offset current drift
(1)
T
A
= –40°C to +85°C ±0.03 ±0.1 nA/°C B
T
A
= –40°C to +125°C ±0.03 ±0.1
INPUT
T
A
= +25°C, CMRR > 87 dB V
S–
– 0.2 V
S–
A
Common-mode input low V
T
A
= –40°C to +125°C, CMRR > 87 dB V
S–
– 0.2 V
S–
B
T
A
= +25°C, CMRR > 87 dB V
S+
– 1.2 V
S+
– 1.1 A
Common-mode input high V
T
A
= –40°C to +125°C, CMRR > 87 dB V
S+
– 1.2 V
S+
– 1.1 B
Common-mode rejection ratio 90 116 dB A
Input impedance common-mode 200 || 1.2 C
kΩ || pF
Input impedance differential mode 200 || 1 C
OUTPUT
T
A
= +25°C V
S–
+ V
S–
+ A
0.06 0.2
Single-ended output voltage: low V
T
A
= –40°C to +125°C V
S–
+ V
S–
+ B
0.06 0.2
T
A
= +25°C V
S+
– 0.2 V
S+
– A
0.11
Single-ended output voltage: high V
T
A
= –40°C to +125°C V
S+
– 0.2 V
S+
– B
0.11
Output saturation voltage: high/low 110/60 mV C
T
A
= +25°C ±15 ±22 A
Linear output current drive mA
T
A
= –40°C to +125°C ±15 B
(1) Input offset voltage drift, input bias current drift, and input offset current drift are average values calculated by taking data at the end
points, computing the difference, and dividing by the temperature range.
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