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OPA689 Datasheet, PDF (4/16 Pages) Burr-Brown (TI) – Wideband, High Gain VOLTAGE LIMITING AMPLIFIER
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SPECIFICATIONS — VS = +5V
G = +6, RF = 750Ω, RL = 500Ω tied to VCM = 2.5V, VL = VCM –1.2V, VH = VCM +1.2V, (Figure 2 for AC performance only), unless otherwise noted.
OPA689U, P
TYP
GUARANTEED(1)
PARAMETER
CONDITIONS
+25°C
+25°C
0°C to
+70°C
–40°C to
+85°C
UNITS
MIN/ TEST
MAX LEVEL(2)
AC PERFORMANCE (see Fig. 2)
Small Signal Bandwidth
Gain Bandwidth Product (G ≥ +20)
Gain Peaking
0.1dB Gain Flatness Bandwidth
Large Signal Bandwidth
Step Response
Slew Rate
Rise/Fall Time
Settling Time: 0.05%
Spurious Free Dynamic Range
Input Noise
Voltage Noise Density
Current Noise Density
DC PERFORMANCE
Open-Loop Voltage Gain (AOL)
Input Offset Voltage
Average Drift
Input Bias Current(3)
Average Drift
Input Offset Current
Average Drift
INPUT
Common-Mode Rejection Ratio
Common-Mode Input Range(4)
Input Impedance
Differential-Mode
Common-Mode
OUTPUT
Output Voltage Range
Current Output, Sourcing
Sinking
Closed-Loop Output Impedance
POWER SUPPLY
Operating Voltage, Specified
Maximum
Quiescent Current, Maximum
Minimum
Power Supply Rejection Ratio
+PSR (Input Referred)
OUTPUT VOLTAGE LIMITERS
Default Limiter Voltage
Minimum Limiter Separation (VH – VL)
Maximum Limit Voltage
Limiter Input Bias Current Magnitude(5)
Maximum
Minimum
Average Drift
Limiter Input Impedance
Limiter Isolation(6)
DC Performance in Limit Mode
Limiter Voltage Accuracy
Op Amp Bias Current Shift(3)
AC Performance in Limit Mode
Limiter Small Signal Bandwidth
Limiter Slew Rate(7)
Limited Step Response
Overshoot
Recovery Time
Linearity Guardband(8)
VO < 0.5Vp-p
G = +6
G = +12
G = –6
VO < 0.5Vp-p
VO < 0.5Vp-p, G = +4
VO < 0.5Vp-p
VO = 2Vp-p
2V Step
0.5V Step
2V Step
f = 5MHz, VO = 2Vp-p
f ≥ 1MHz
f ≥ 1MHz
VO = ±0.5V
Input Referred, VCM ±0.5V
VH = VCM + 1.8V, VL = VCM – 1.8V
RL ≥ 500Ω
G = +4, f < 100kHz
VS = 4.5V to 5.5V
Limiter Pins Open
VO = 2.5V
f = 5MHz
VIN = VCM ±0.4V
(VO – VH) or (VO – VL)
VIN = ±0.4V, VO < 0.02Vp-p
VIN = VCM to VCM ±0.4V Step
VIN = VCM ±0.4V to VCM Step
f = 5MHz, VO = 2Vp-p
210
70
180
440
4
35
175
1600
1.9
7
59
4.6
2.0
180
—
—
330
—
—
150
1300
2.1
—
55
5.3
2.5
160
—
—
310
—
—
140
1250
2.2
—
51
6.0
2.9
150
MHz Min B
—
MHz Typ C
—
MHz Typ C
300
MHz Min B
—
dB
Typ B
—
MHz Typ C
125
MHz Min B
950
V/µs Min B
2.6
ns
Max B
—
ns
Typ C
46
dB
Min B
6.1
nV/√Hz Max B
3.6
pA/√Hz Max B
56
50
48
47
dB
Min A
±1
±5
±6
±8
mV
Max A
—
—
±14
±14
µV/°C Max B
+8
±12
±13
±20
µA
Max A
—
—
–60
–90
nA/°C Max B
±0.3
±2
±3
±4
µA
Max A
—
—
±10
±10
nA/°C Max B
58
51
50
48
dB
VCM ±0.8 VCM ±0.7 VCM ±0.7 VCM ±0.6
V
Min A
Min A
0.4 || 1
—
—
—
MΩ || pF Typ C
1 || 1
—
—
—
MΩ || pF Typ C
VCM ±1.6 VCM ±1.4 VCM ±1.4 VCM ±1.3
V
70
60
55
50
mA
–60
–50
–45
–40
mA
0.8
—
—
—
Ω
Min A
Min A
Min A
Typ C
5
—
—
—
V
Typ C
—
12
12
12
V
Max A
13
15
15
16
mA
Max A
13
11
10
9
mA
Min A
65
—
—
—
dB
Typ C
VCM ±0.9 VCM ±0.6 VCM ±0.6 VCM ±0.6
V
200
200
200
200
mV
—
VCM ±1.8 VCM ±1.8 VCM ±1.8
V
Min A
Min B
Max B
35
65
75
85
µA
Max A
35
0
0
0
µA
Min A
—
—
30
50
nA/°C Max B
2 || 1
—
—
—
MΩ || pF Typ C
–60
—
—
—
dB
Typ C
±15
±35
±40
±40
mV
Max A
5
—
—
—
µA
Typ C
300
—
—
—
MHz Typ C
20
—
—
—
V/µs Typ C
55
—
—
—
mV
Typ C
15
—
—
—
ns
Typ C
30
—
—
—
mV
Typ C
®
OPA689
4
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