Datasheet
OPA684
4
SBOS219D
www.ti.com
ELECTRICAL CHARACTERISTICS: V
S
= +5V
R
F
= 1.3kΩ, R
L
= 100Ω, and G = +2, (See Figure 3 for AC performance only), unless otherwise noted.
OPA684ID, IDBV
0
°
C to –40
°
C to
MIN/
TEST
PARAMETER CONDITIONS +25°C +25°C
(1)
70°C
(2)
+85°C
(2)
UNITS MAX
LEVEL
(3)
TYP MIN/MAX OVER TEMPERATURE
AC PERFORMANCE (See Figure 3)
Small-Signal Bandwidth (V
O
= 0.5V
PP
) G = +1, R
F
= 1.3kΩ 146 MHz typ C
G = +2, R
F
= 1.3kΩ 105 79 76 69 MHz min B
G = +5, R
F
= 1.3kΩ 95 MHz min C
G = +10, R
F
= 1.3kΩ 87 MHz typ C
G = +20, R
F
= 1.3kΩ 79 MHz typ C
Bandwidth for 0.1dB Gain Flatness G = +2, V
O
< 0.5V
PP
, R
F
= 1.3kΩ 21 12 11 10 MHz min B
Peaking at a Gain of +1 R
F
= 1.3kΩ, V
O
< 0.5V
PP
0.5 2.6 3.4 3.7 dB max B
Large-Signal Bandwidth G = 2, V
O
= 2V
PP
86 MHz typ C
Slew Rate G = 2, V
O
= 2V Step 300 240 235 225 V/µsminB
G = 2, V
O
= 0.5V Step 4.3 ns typ C
Rise-and-Fall Time G = 2, V
O
= 2VStep 5.3 ns typ C
Harmonic Distortion G = 2, f = 5MHz, V
O
= 2V
PP
2nd-Harmonic R
L
= 100Ω to V
S
/2 65 57 57 56 dBc max B
R
L
≥ 1kΩ to V
S
/2 65 58 57 57 dBc max B
3rd-Harmonic R
L
= 100Ω to V
S
/2 65 64 63 63 dBc max B
R
L
≥ 1kΩ to V
S
/2 71 70 70 69 dBc max B
Input Voltage Noise f > 1MHz 3.7 4.1 4.2 4.4 nV/√Hz max B
Non-inverting Input Current Noise f > 1MHz 9.4 11 12 12.5 pA/√Hz max B
Inverting Input Current Noise f > 1MHz 17 18 18.5 19 pA/√Hz max B
Differential Gain G = +2, NTSC, V
O
= 1.4Vp, R
L
= 150Ω 0.04 % typ C
Differential Phase G = +2, NTSC, V
O
= 1.4Vp, R
L
= 150Ω 0.07 deg typ C
DC PERFORMANCE
(4)
Open-Loop Transimpedance Gain (Z
OL
)
V
O
= V
S
/2, R
L
= 100Ω to V
S
/2 325 160 155 153 kΩ min A
Input Offset Voltage V
CM
= V
S
/2 ±1.0 ±3.0 ±3.6 ±3.8 mV max A
Average Offset Voltage Drift V
CM
= V
S
/2 ±12 ±12 µV/°CmaxB
Non-inverting Input Bias Current V
CM
= V
S
/2 ±5 ±10 ±11.5 ±12 µAmaxA
Average Non-inverting Input Bias Current Drift V
CM
= V
S
/2 ±25 ±30 nA/°CmaxB
Inverting Input Bias Current V
CM
= V
S
/2 ±5 ±12 ±13.5 ±15 µAmaxA
Average Inverting Input Bias Current Drift V
CM
= V
S
/2 ±25 ±30 nA°/C max B
INPUT
Least Positive Input Voltage
(5)
1.25 1.32 1.35 1.38 V max A
Most Positive Input Voltage
(5)
3.75 3.68 3.65 3.62 V min A
Common-Mode Refection Ratio (CMRR) V
CM
= V
S
/2 58 52 51 51 dB min A
Non-inverting Input Impedance 50 || 1 kΩ || pF typ C
Inverting Input Resistance
(R
I
)
Open-Loop 2.5 Ω typ C
OUTPUT
Most Positive Output Voltage R
L
= 1kΩ to V
S
/2 4.10 4.0 4.0 3.9 V min A
Least Positive Output Voltage R
L
= 1kΩ to V
S
/2 0.9 1.0 1.0 1.1 V max A
Current Output, Sourcing V
O
= V
S
/2 80 70 65 60 mA min A
Current Output, Sinking V
O
= V
S
/2 70 58 53 48 mA min A
Closed-Loop Output Impedance G = +2, f = 100kHz 0.006 Ω typ C
DISABLE (Disabled LOW)
Power-Down Supply Current (+V
S
)V
DIS
= 0 –90 µA typ C
Off Isolation F = 5.0MHz 70 dB typ C
Output Capacitance in Disable 1.7 pF typ C
Turn On Glitch G = +2, R
L
= 150Ω, V
IN
= V
S
/2 mV typ C
Turn Off Glitch G = +2, R
L
= 150Ω, V
IN
= V
S
/2 mV typ C
Enable Voltage 3.4 3.5 3.6 3.7 V min A
Disable Voltage 1.8 1.7 1.6 1.5 V max A
Control Pin Input Bias Current (DIS) V
DIS
= 0V 80 120 130 135 µAmaxA
POWER SUPPLY
Specified Single-Supply Operating Voltage 5 V typ C
Max Single-Supply Operating Voltage Range 12 12 12 V max A
Min Single-Supply Operating Voltage Range 2.8 V min C
Max Quiescent Current V
S
= +5V 1.44 1.55 1.55 1.55 mA max A
Min Quiescent Current V
S
= +5V 1.44 1.30 1.20 1.15 mA min A
Power-Supply Rejection Ratio (+PSRR) Input Referred 65 dB typ C
TEMPERATURE RANGE
Specification: ID, IDBV
–40 to +85
°C typ C
Thermal Resistance,
θ
JA
Junction-to-Ambient
DSO-8 125 °C/W typ C
DBV SOT23-6 150 °C/W typ C
NOTES: (1) Junction temperature = ambient for 25°C tested specifications. (2) Junction temperature = ambient at low temperature limit, junction temperature = ambient
+1°C at high temperature limit for over temperature tested specifications. (3) Test levels: (A) 100% tested at 25°C. Over temperature limits by characterization and
simulation. (B) Limits set by characterization and simulation. (C) Typical value only for information. (4) Current is considered positive out-of-node. V
CM
is the input
common-mode voltage. (5) Tested < 3dB below minimum specified CMR at ± CMIR limits.