OPA2673 Datasheet, PDF (4/40 Pages) Texas Instruments – Dual, Wideband, High Output Current Operational Amplifier with Active Off-Line Control

OPA2673
SBOS382A – JUNE 2008 – REVISED OCTOBER 2008..................................................................................................................................................... www.ti.com
ELECTRICAL CHARACTERISTICS: V_S = ±6V (continued)
At T_A = +25°C, A0 = A1 = 0 (full power), G = +4V/V, R_F = 402Ω, and R_L = 100Ω, unless otherwise noted. See Figure 76 for ac
performance only. Single channel specifications, except where noted.
PARAMETER
DC PERFORMANCE (continued)
Noninverting input bias current
Noninverting input bias current drift
Noninverting input bias current matching
Inverting input bias current
Inverting input bias current drift
Inverting input bias current matching
INPUT ⁽⁵⁾
Common-mode input range⁽⁶⁾
Common-mode rejection ratio
Noninverting input impedance
CONDITIONS
V_CM = 0V
V_CM = 0V
V_CM = 0V
V_CM = 0V
V_CM = 0V
V_CM = 0V
V_CM = 0V, Input-referred
Inverting input resistance
Open-loop
Inverting input resistance
Open-loop
Shutdown isolation
OUTPUT
G = +4V/V, f = 1MHz, A₁ = A₀ = 1
Voltage output swing
No load
100Ω load
25Ω load
Output current at full power (peak)
Output current at 75% bias (peak)
Output current at 50% bias (peak)
Short-cIrcuit current
Closed-loop output impedance at full power
R_L = 4Ω, A1 = 0, A0 = 0
R_L = 4Ω, A1 = 0, A0 = 1
R_L = 4Ω, A1 = 1, A0 = 0
V_O = 0V
G = +4V/V, f ≤ 100kHz, A1 = 0, A0 = 0
Closed-loop output impedance at 75% bias G = +4V/V, f ≤ 100kHz, A1 = 0, A0 = 1
Closed-loop output impedance at 50% bias G = +4V/V, f ≤ 100kHz, A1 = 1, A0 = 0
Output impedance at shutdown
Output switching glitch
Inputs at GND
POWER CONTROL
Maximum logic 0
Minimum logic 1
Logic input current
A1, A0, V_S = ±6V
A1, A0, V_S = ±6V
A0, A1 = 0, each line
A0, A1 = 1, each line
OPA2673IDGQ, IRGV
MIN/MAX OVER
TYP
TEMPERATURE
0°C to –40°C to
+25°C +25°C⁽²⁾ 70°C⁽³⁾ +85°C⁽³⁾
±5
±25
±27
±28
±45
±47
±0.5
±5
±6
±7
±6
±48
±52
±55
±90
±110
±6
±25
±30
±30
±3.6
±3.5
±3.3
±3.2
56
50
48
47
1.5 ||
1.5
32
16
32
40
85
±4.9
±4.8
±4.7
±700
±500
±180
±800
0.01
0.01
0.01
25 || 4
±20
±4.8
±4.75
±4.5
±460
±350
±120
±4.75
±4.7
±4.45
±440
±325
±115
±4.7
±4.65
±4.4
±425
±300
±110
0.8
0.8
0.8
2
2
2
6
8
9
10
–50
–110 –125 –150
UNIT
µA
µA/°C
µA
µA
µA/°C
µA
V
dB
MΩ || pF
Ω
Ω
dB
V
V
V
mA
mA
mA
mA
Ω
Ω
Ω
kΩ || pF
mV
V
V
µA
µA
MIN/
MAX
max
max
max
max
max
max
min
min
typ
min
max
typ
min
min
min
min
min
min
typ
typ
typ
typ
typ
typ
max
min
max
min
TEST
LEVEL ⁽¹⁾
A
B
A
A
B
A
A
A
C
B
B
C
A
B
A
A
A
A
C
C
C
C
C
C
A
A
A
A
(5) Current is considered positive-out-of node. V_CM is the input common-mode voltage.
(6) Tested < 3dB below minimum CMRR specifications at ±CMIR limits.
4
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