OPA4820ID Datasheet, PDF (4/34 Pages) Texas Instruments – Quad, Unity-Gain Stable, Low-Noise, Voltage-Feedback Operational Amplifier

OPA4820
SBOS317D − SEPTEMBER 2004 − REVISED AUGUST 2008
www.ti.com
ELECTRICAL CHARACTERISTICS:
Boldface limits are tested at +25°C.
V_S
=
+5V
At R_F = 402Ω, R_L = 100Ω to 2.5V, and G = +2, unless otherwise noted.
OPA4820ID, IPW
PARAMETER
CONDITIONS
TYP
+25°C
MIN/MAX OVER TEMPERATURE
+25°C⁽¹⁾
0°C to
70°C⁽²⁾
−40°C to
+85°C⁽²⁾
UNITS
MIN/
MAX
TEST
LEVEL
(3)
AC PERFORMANCE
Small-Signal Bandwidth
Gain-Bandwidth Product
Peaking at a Gain of 1
Large-Signal Bandwidth
Slew Rate
Rise Time and Fall Time
Settling Time to 0.02%
Settling Time to 0.1%
Harmonic Distortion
2nd-Harmonic
3rd-Harmonic
Input Voltage Noise
G = +1, V_O = 0.1V_PP, R_F = 25Ω
520
G = +2, V_O = 0.1V_PP
210
G = +10, V_O = 0.1V_PP
25
G ≥ 20
230
V_O = 0.1V_PP, R_F = 25Ω
2
G = +2, V_O = 2V_PP
67
G = +2, V_O = 2V Step
190
G = +2, V_O = 2V Step
1.8
G = +2, V_O = 2V Step
25
G = +2, V_O = 2V Step
22
G = +2, f = 1MHz, V_O = 2V_PP
R_L = 200Ω
−79
R_L ≥ 500Ω
−83
R_L = 200Ω
−94
R_L ≥ 500Ω
−98
f > 100kHz
2.5
MHz
typ
C
148
135
130
MHz
min
B
18
17
16
MHz
min
B
180
170
160
MHz
min
B
dB
typ
C
MHz
typ
C
135
130
125
V/µs
min
B
ns
typ
C
ns
typ
C
ns
typ
C
−75
−74
−73
dBc
max
B
−79
−77
−75
dBc
max
B
−87
−86
−85
dBc
max
B
−95
−93
−92
dBc
max
B
2.8
2.9
3.0
nV/√Hz
max
B
Noninverting Input Current Noise
f > 100kHz
1.6
2.5
2.7
2.9
pA/√Hz
max
B
All Hostile Crosstalk, Input-Referred
3 Channels Driven at 5MHz, 1V_PP
4th Channel Measured
−61
dB
typ
C
DC PERFORMANCE⁽⁴⁾
Open-Loop Voltage Gain (A_OL)
Input Offset Voltage
Average Input Offset Voltage Drift
Input Bias Current
Average Input Bias Current Drift
Input Offset Current
Inverting Input Bias Current Drift
INPUT
V_O = 2.5V, R_L = 100Ω
V_CM = 2.5V
V_CM = 2.5V
V_CM = 2.5V
V_CM = 2.5V
V_CM = 2.5V
V_CM = 2.5V
65
60
59
58
dB
min
A
±0.35
±1.3
±1.7
±2.0
mV
max
A
8
10
µV/°C
max
B
−8
−18
−20
−24
µA
max
A
30
50
nA/°C
max
B
±100
±500
±800
±900
µA
max
A
5
5
nA/°C
max
B
Least Positive Input Voltage
0.9
1.1
1.2
1.3
V
min
A
Most Positive Input Voltage
4.4
4.1
4.0
3.9
V
max
A
Common-Mode Rejection Ratio (CMRR)⁽⁵⁾
V_CM = 2.5V, Input-Referred
83
74
73
72
dB
min
A
Input Impedance, Differential-Mode
V_CM = 2.5V
15 1
kΩ  pF
typ
C
Input Impedance, Common-Mode
V_CM = 2.5V
5 1.3
MΩ  pF
typ
C
OUTPUT
Least Positive Output Voltage
Most Negative Output Voltage
Output Current
Short-Circuit Output Current
Closed-Loop Output Impedance
R_L ≥ 500Ω to 2.5V
R_L = 100Ω to 2.5V
R_L ≥ 500Ω to 2.5V
R_L = 100Ω to 2.5V
V_O = 2.5V
Output Shorted to Ground
G = +2, f ≤ 100kHz
3.9
3.8
3.75
3.7
V
min
A
3.8
3.7
3.65
3.6
V
min
A
1.2
1.3
1.35
1.4
V
min
A
1.2
1.3
1.35
1.4
V
min
A
±75
±60
±55
±50
mA
min
A
±105
mA
typ
C
0.04
Ω
typ
C
POWER SUPPLY
Specified Operating Voltage
+5
V
typ
C
Maximum Operating Voltage
+12.6
+12.6
+12.6
V
max
A
Minimum Operating Voltage
+4
V
typ
C
Maximum Quiescent Current
Minimum Quiescent Current
Power-Supply Rejection Ratio (+PSRR)
V_S = +5V, 4 Channels
V_S = +5V, 4 Channels
Input-Referred
20.4
22.2
22.6
23.0
mA
max
A
20.4
18.0
17.4
16.8
mA
min
A
68
dB
typ
C
THERMAL CHARACTERISTICS
Specification: ID, IPW
−40 to +85
°C
typ
C
Thermal Resistance, q_JA
D
SO-14
Junction-to-Ambient
100
°C/W
typ
C
PW
TSSOP-14
Junction-to-Ambient
110
°C/W
typ
C
(1) _{Junction temperature = ambient for +25°C specifications.}
(2) _{Junction temperature = ambient at low temperature limits; junction temperature = ambient +13°C at high temperature limit for over temperature.}
(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 considered positive out of pin.}
(5) _{Tested < 3dB below minimum specified CMRR at ± CMIR limits.}
4