Datasheet

OPA698
3
SBOS258D
www.ti.com
AC PERFORMANCE (see Figure 1)
Small-Signal Bandwidth V
O
< 0.2V
PP
G = +1, R
F
= 25Ω 450 MHz typ C
G = [phone] MHz min B
G = –1 215 MHz typ C
Gain-Bandwidth Product (G ≥ +5) V
O
< 0.2V
PP
250 180 175 170 MHz min B
Gain Peaking G = +1, R
F
= 25Ω, V
O
< 0.2V
PP
5 dB typ C
0.1dB Gain Flatness Bandwidth V
O
< 0.2V
PP
30 MHz typ C
Large-Signal Bandwidth V
O
= 4V
PP
, V
H
= –V
L
= 2.5V 160 110 105 100 MHz min B
Step Response:
Slew Rate 4V Step, V
H
= –V
L
= 2.5V 1100 750 700 650 V/µsminB
Rise-and-Fall Time 0.2V Step 1.6 2.3 2.4 2.5 ns max B
Settling Time: 0.05% 2V Step 8 ns typ C
Harmonic Distortion: 2nd f = 5MHz, V
O
= 2V
PP
–74 –65 –64 –63 dB min B
3rd f = 5MHz, V
O
= 2V
PP
–87 –83 –83 –82 dB min B
Differential Gain NTSC, PAL, R
L
= 500Ω 0.012 % typ C
Differential Phase NTSC, PAL, R
L
= 500Ω 0.008 degrees typ C
Input Noise:
Voltage Noise Density f ≥ 1MHz 5.6 6.1 6.7 7.2 nV/√Hz max B
Current Noise Density f ≥ 1MHz 2.2 2.7 2.8 3 pA/√Hz max B
DC PERFORMANCE (V
CM
= 0)
Open-Loop Voltage Gain (A
OL
)V
O
= ±0.5V 63 56 53 52 dB min A
Input Offset Voltage ±2
±5 ±6 ±8mVmaxA
Average Drift — ±15 ±20 µV/°CmaxB
Input Bias Current
(4)
+3 ±10 ±11 ±12 µAmaxA
Average Drift — ±15 ±20 nA/°CmaxB
Input Offset Current ±0.3
±2 ±2.5 ±3 µAmaxA
Average Drift — ±10 ±10 nA/°CmaxB
INPUT
Common-Mode Rejection Input Referred, V
CM
= ±0.5V 61 55 54 52 dB min A
Common-Mode Input Range
(5)
±3.3 ±3.2 ±3.2 ±3.1 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
L
= 4.3V
Output Voltage Range R
L
≥ 500Ω±4.0 ±3.9 ±3.9 ±3.8 V min A
Current Output, Sourcing V
O
= 0 +120 +90 +85 +80 mA min A
Sinking V
O
= 0 –120 –90 –85 –80 mA min A
Closed-Loop Output Impedance G = +1, R
F
= 25Ω, f < 100kHz 0.01 Ω typ C
POWER SUPPLY
Operating Voltage, Specified ±5 V typ C
Maximum —
±6 ±6 ±6VmaxA
Quiescent Current, Maximum V
S
= ±5V 15.5 15.9 16.3 16.6 mA max A
Minimum V
S
= ±5V 15.5 15.2 14.9 14.6 mA min A
Power-Supply Rejection Ratio +V
S
= 4.5V to 5.5V
–PSRR (Input Referred) 75 68 67 66 dB min A
OUTPUT VOLTAGE LIMITERS
Output Voltage Limited Range Pins 5 and 8 ±3.8 V max C
Default Limit Voltage, Upper Limiter Pins Open +3.5 +3.3 +3.2 +3.1 V min A
Lower Limiter Pins Open –3.5 –3.3 –3.2 –3.1 V max A
Minimum Limiter Separation (V
H
– V
L
) 400 400 400 400 mV min B
Maximum Limit Voltage — ±4.3 ±4.3 ±4.3 V max B
Limiter Input Bias Current Magnitude
(6)
V
O
= 0
Maximum 50 60 62 64 µAmaxA
Minimum 50 40 38 36 µAminA
Average Drift — 30 35 nA/°CmaxB
Limiter Input Impedance 3.4 || 1 MΩ || pF typ C
Limiter Feedthrough
(7)
f = 5MHz –68 dB typ C
DC Performance in Limit Mode V
IN
= ±2V
Limiter Offset (V
O
– V
H
) or (V
O
– V
L
) ±10 ±30 ±35 ±40 mV max A
Op Amp Input Bias Current Shift
(4)
Linear to Limited Output 3 µA typ C
AC Performance in Limit Mode
Limiter Small-Signal Bandwidth 2V
DC
+ 20mV
PP
600 MHz typ C
Limiter Slew Rate
(8)
2x Overdrive, V
H
or V
L
125 V/µs typ C
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)
ELECTRICAL CHARACTERISTICS: V
S
= ±5V
Boldface limits are tested at +25°C.
G = +2, R
F
= 402Ω, R
L
= 500Ω, and V
H
= –V
L
= 2V (see Figure 1 for AC performance only), unless otherwise noted.