Datasheet

ELECTRICAL CHARACTERISTICS: V
S
= +5V
OPA4830
www.ti.com .................................................................................................................................................... SBOS350A – DECEMBER 2006 – REVISED MAY 2008
Boldface limits are tested at +25 ° C.
At T
A
= +25 ° C, G = +2, R
F
= 750 Ω , and R
L
= 150 Ω to V
S
/2, unless otherwise noted.
OPA4830IPW
TYP MIN/MAX OVER 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 (see Figure 72 )
Small-Signal Bandwidth G = +1, V
O
≤ 0.2V
PP
230 MHz typ C
G = +2, V
O
≤ 0.2V
PP
100 70 68 66 MHz min B
G = +5, V
O
≤ 0.2V
PP
21 15 14 13 MHz min B
G = +10, V
O
≤ 0.2V
PP
10 7 6 5 MHz min B
Gain-Bandwidth Product G ≥ [phone] MHz min B
Peaking at a Gain of +1 V
O
≤ 0.2V
PP
5 dB typ C
Slew Rate G = +2, 2V Step 500 270 260 250 V/ µ s min B
Rise Time 0.5V Step 3.4 5.8 5.9 6.0 ns max B
Fall Time 0.5V Step 3.4 5.8 5.9 6.0 ns max B
Settling Time to 0.1% G = +2, 1V Step 44 65 67 68 ns max B
Harmonic Distortion V
O
= 2V
PP
, f = 5MHz
2nd-Harmonic R
L
= 150 Ω – 56 – 50 – 49 – 48 dBc max B
R
L
≥ 500 Ω – 62 – 56 – 55 – 54 dBc max B
3rd-Harmonic R
L
= 150 Ω – 58 – 50 – 49 – 48 dBc max B
R
L
≥ 500 Ω – 84 – 65 – 62 – 60 dBc max B
Input Voltage Noise f > 1MHz 9.2 10.3 10.8 11.3 nV/ √ Hz max B
Input Current Noise f > 1MHz 3.5 4.6 5.1 5.6 pA/ √ Hz max B
NTSC Differential Gain 0.08 % typ C
NTSC Differential Phase 0.09 ° typ C
All Hostile Crosstalk, Input-Referred 3 Channels Driven at 5MHz, – 62 dB typ C
1V
PP
, 4th Channel Measured
DC PERFORMANCE
(4)
R
L
= 150 Ω
Open-Loop Voltage Gain 72 66 65 64 dB min A
Input Offset Voltage ± 0.5 ± 6 ± 7 ± 7.5 mV max A
Average Offset Voltage Drift ± 24 ± 24 µ V/ ° C max B
Input Bias Current V
CM
= 2.5V +5 +10 +12 +13 µ A max A
Input Bias Current Drift ± 44 ± 46 nA/ ° C max B
Input Offset Current V
CM
= 2.5V ± 0.2 ± 0.9 ± 1.1 ± 1.3 µ A max A
Input Offset Current Drift ± 5 ± 6 nA/ ° C max B
INPUT
Least Positive Input Voltage
(5)
– 0.5 – 0.4 – 0.3 – 0.2 V max A
Most Positive Input Voltage
(5)
3.2 3.1 3.0 2.8 V min A
Common-Mode Rejection Ratio (CMRR) Input-Referred 80 76 74 71 dB min A
Input Impedance
Differential-Mode 10 || 2.1 k Ω || pF typ C
Common-Mode 400 || 1.2 k Ω || pF typ C
OUTPUT
Least Positive Output Voltage G = +5, R
L
= 1k Ω to 2.5V 0.09 0.11 0.12 0.13 V max A
G = +5, R
L
= 150 Ω to 2.5V 0.21 0.24 0.25 0.26 V max A
Most Positive Output Voltage G = +5, R
L
= 1k Ω to 2.5V 4.91 4.89 4.88 4.87 V min A
G = +5, R
L
= 150 Ω to 2.5V 4.78 4.75 4.73 4.72 V min A
Current Output, Sourcing and Sinking ± 75 ± 58 ± 53 ± 50 mA min A
Short-Circuit Output Current Output Shorted to Either ± 140 mA typ C
Supply
Closed-Loop Output Impedance G = +2, f ≤ 100kHz 0.06 Ω 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 specifications.
(3) Junction temperature = ambient at low temperature limits; junction temperature = ambient +9 ° C at high temperature limit for over
temperature specifications.
(4) Current considered positive out of pin.
(5) Tested < 3dB below minimum specified CMRR at ± CMIR limits.
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