Datasheet

OPA698
5
SBOS258D
www.ti.com
AC PERFORMANCE (see Figure 2)
Small-Signal Bandwidth V
O
< 0.2V
PP
G = +1, R
F
= 25Ω 375 MHz typ C
G = [phone] MHz min B
G = –1 200 MHz typ C
Gain-Bandwidth Product (G ≥ +5) V
O
< 0.2V
PP
230 170 165 155 MHz min B
Gain Peaking G = +1, R
F
= 25Ω, V
O
< 0.2V
PP
7 dB typ C
0.1dB Gain Flatness Bandwidth V
O
< 0.2V
PP
30 MHz typ C
Large-Signal Bandwidth V
O
= 2V
PP
200 120 110 100 MHz min B
Step Response:
Slew Rate 2V Step 820 560 550 500 V/µsminB
Rise-and-Fall Time 0.2V Step 1.9 2.3 2.4 2.5 ns max B
Settling Time: 0.05% 1V Step 12 ns typ C
Harmonic Distortion: 2nd f = 5MHz, V
O
= 2V
PP
69 63 62 61 dB min B
3rd f = 5MHz, V
O
= 2V
PP
73 69 68 67 dB min B
Input Noise:
Voltage Noise Density f ≥ 1MHz 5.7 nV/√Hz typ C
Current Noise Density f ≥ 1MHz 2.3 pA/√Hz typ C
DC PERFORMANCE V
CM
= 2.5V
Open-Loop Voltage Gain (A
OL
)V
O
= ±0.5V 60 54 52 51 dB min A
Input Offset Voltage ±1
±6 ±7 ±8mVmaxA
Average Drift — ±15 ±15 µV/°CmaxB
Input Bias Current
(4)
+3 ±10 ±11 ±12 µAmaxA
Average Drift — ±25 ±25 nA/°CmaxB
Input Offset Current ±0.4
±2 ±2.5 ±3 µAmaxA
Average Drift — ±15 ±15 nA/°CmaxB
INPUT
Common-Mode Rejection Input Referred, V
CM
= ±0.5V 58 54 53 52 dB min A
Common-Mode Input Range
(5)
V
CM
± 0.8 V
CM
± 0.7 V
CM
± 0.7 V
CM
± 0.6 V min A
Input Impedance
Differential-Mode 0.32 || 1 MΩ || pF typ C
Common-Mode 3.5 || 1 MΩ || pF typ C
OUTPUT V
H
= V
CM
+1.8V, V
L
= V
CM
– 1.8V
Output Voltage Range R
L
≥ 500Ω V
CM
± 1.6 V
CM
± 1.4 V
CM
± 1.4 V
CM
± 1.3 V min A
Current Output, Sourcing V
O
= 2.5V +70 +60 +55 +50 mA min A
Sinking V
O
= 2.5V –70 –60 –55 –50 mA min A
Closed-Loop Output Impedance G = +1, R
F
= 25Ω, f < 100kHz 0.2 Ω typ C
POWER SUPPLY Single-Supply Operation
Operating Voltage, Specified +5 V typ C
Maximum — +12 +12 +12 V max A
Quiescent Current, Maximum V
S
= +5V 14.3 14.9 15.1 15.3 mA max A
Minimum V
S
= +5V 14.3 13.6 13.4 13.2 mA min A
Power-Supply Rejection Ratio V
S
= 4.5V to 5.5V
+PSRR (Input Referred) 70 dB typ C
OUTPUT VOLTAGE LIMITERS
Maximum Limiter Voltage Pins 5 and 8 +3.9 V typ C
Minimum Limiter Voltage Pins 5 and 8 +1.1 V typ C
Default Limiter Voltage Limiter Pins Open V
CM
± 1.1 V
CM
± 0.8 V
CM
± 0.7 V
CM
± 0.6 V min B
Minimum Limiter Separation (V
H
– V
L
) 400 400 400 400 mV min B
Maximum Limit Voltage — V
CM
± 1.8 V
CM
± 1.8 V
CM
± 1.8 V max B
Limiter Input Bias Current Magnitude
(6)
V
O
= 2.5V 16 µA typ C
Limiter Input Impedance 3.4 || 1 MΩ || pF typ C
Limiter Feedthrough
(7)
f = 5MHz –60 dB typ C
DC Performance in Limit Mode V
IN
= V
CM
± 1.2V
Limiter Voltage Accuracy (V
O
– V
H
) or (V
O
– V
L
) ±15 ±30 ±35 ±40 mV max A
Op Amp Bias Current Shift
(4)
Linear to Limited Output 5 µA typ C
AC Performance in Limit Mode
Limiter Small-Signal Bandwidth V
IN
= V
CM
± 1.2V, V
O
< 0.02V
PP
450 MHz typ C
Limiter Slew Rate
(8)
2x Overdrive, V
H
or V
L
100 V/µs typ C
ELECTRICAL CHARACTERISTICS: V
S
= +5V
Boldface limits are tested at +25°C.
G = +2, R
L
= 500Ω tied to V
CM
= 2.5V, R
F
= 402Ω, V
L
= V
CM
–1.2V, and V
H
= V
CM
+1.2V (see Figure 2 for AC performance only), unless otherwise noted.
OPA698ID
TYP MIN/MAX OVER TEMPERATURE
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)