Datasheet

ELECTRICAL CHARACTERISTICS: V
S
= ± 5V
OPA2889
www.ti.com ....................................................................................................................................................... SBOS373B – JUNE 2007 – REVISED AUGUST 2008
At T
A
= +25 ° C, R
F
= 750 Ω , G = +2V/V, and R
L
= 100 Ω , unless otherwise noted.
OPA2889ID, IDGS
MIN/MAX OVER
TYP TEMPERATURE
0 ° C to – 40 ° C to MIN/ TEST
PARAMETER CONDITIONS +25 ° C +25 ° C
(2)
+70 ° C
(3)
+85 ° C
(3)
UNITS MAX LEVEL
(1)
AC PERFORMANCE
Small-Signal Bandwidth G = +1V/V, V
O
= 100mV
PP
, R
F
= 0 Ω 115 MHz typ C
G = +2V/V, V
O
= 100mV
PP
60 40 36 32 MHz min B
G = +10V/V, V
O
= 100mV
PP
8 6 5 4.5 MHz min B
Gain Bandwidth Product G > +20V/V 75 60 50 45 MHz min B
Bandwidth for 0.1dB Flatness G = +2V/V, V
O
= 100mV
PP
14 MHz typ C
Peaking at a Gain of +1V/V V
O
< 100mV
PP
, R
F
= 0 Ω 1 dB typ C
Large-Signal Bandwidth G = +2V/V, V
O
= 2V
PP
70 MHz typ C
Slew Rate G = +2V/V, V
O
= 2V Step 250 175 160 150 V/ µ s min B
Rise-and-Fall Time 0.2V Step 6 ns typ C
Settling Time to 0.02% G = +1V/V, V
O
= 2V Step 36 ns typ C
Settling Time to 0.1% 25 ns typ C
Harmonic Distortion G = +2V/V, f = 1MHz, V
O
= 2V
PP
2nd-Harmonic R
L
= 200 Ω – 75 – 65 – 62 – 60 dBc max B
R
L
≥ 500 Ω – 80 – 73 – 68 – 65 dBc max B
3rd-Harmonic R
L
= 200 Ω – 80 – 74 – 70 – 68 dBc max B
R
L
≥ 500 Ω – 82 – 80 – 75 – 72 dBc max B
Input Voltage Noise f > 100kHz 8.4 10 11.5 12 nV/ √ Hz max B
Input Current Noise f > 100kHz 0.7 1 1.2 1.4 pA/ √ Hz max B
Differential Gain G = +2V/V, V
O
= 1.4V
PP
, R
L
= 150 Ω 0.06 % typ C
Differential Phase G = +2V/V, V
O
= 1.4V
PP
, R
L
= 150 Ω 0.04 ° typ C
Channel-to-Channel Crosstalk f = 5MHz, Input-referred – 85 dB typ C
DC PERFORMANCE
(4)
Open-Loop Voltage Gain (A
OL
) V
O
= 0V, R
L
= 100 Ω 66 60 58 57 dB min A
Input Offset Voltage V
CM
= 0V ± 1.5 ± 5 ± 5.9 ± 6.3 mV max A
Average Offset Voltage Drift V
CM
= 0V ± 20 ± 20 µ V/ ° C max B
Input Bias Current V
CM
= 0V ± 150 ± 750 ± 840 ± 880 nA max A
Average Input Bias Current Drift V
CM
= 0V ± 2 ± 2 nA/ ° C max B
Input Offset Current V
CM
= 0V ± 50 ± 200 ± 225 ± 235 nA max A
Average Input Offset Current V
CM
= 0V ± 0.5 ± 0.5 nA/ ° C max B
Drift
INPUT
Common-Mode Input Range ± 3.9 ± 3.8 ± 3.7 ± 3.6 V min A
(CMIR)
(5)
Common-Mode Rejection Ratio V
CM
= 0V, Input-referred 70 60 59 58 dB min A
(CMRR)
Input Impedance
Differential V
CM
= 0V 3.5 || 0.5 M Ω || pF typ C
Common-Mode V
CM
= 0V 170 || 0.8 M Ω || pF typ C
(1) Test levels: (A) 100% tested at +25 ° C. Over temperature limits set by characterization and simulation. (B) Limits set by characterization
and simulation. (C) Typical value only for information.
(2) Junction temperature = ambient for +25 ° C tested specifications.
(3) Junction temperature = ambient at low temperature limit; junction temperature = ambient +4 ° C at high temperature limit for over
temperature specifications.
(4) Current is considered positive out-of-node. V
CM
is the input common-mode voltage.
(5) Tested < 3dB below minimum specified CMRR at ± CMIR limits
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