OPA4684M Datasheet, PDF (5/32 Pages) Texas Instruments – QUAD LOW-POWER CURRENT-FEEDBACK OPERATIONAL AMPLIFIER

OPA4684M
QUAD LOWĆPOWER CURRENTĆFEEDBACK
OPERATIONAL AMPLIFIER
SGLS145B − AUGUST 2003 − REVISED FEBRUARY 2004
electrical characteristics, V_S = 5 V, R_F = 1 kΩ, R_L = 100 Ω, G = +2 (unless otherwise noted)
PARAMETER
TEST CONDITIONS
AC Performance (See Figure 41)
Small signal bandwidth (VO =
0.5 Vp-p)
Large signal bandwidth
Slew rate
Rise and fall time
Differential gain
Differential phase
All hostile cross talk, input
referred
G = +1, RF = 1.3 kΩ
G = +10, RF = 1.3 kΩ
G = +20, RF = 1.3 kΩ
VO = 2 V, G = +2
VO = 0.5 V step, G = +2
VO = 2 V step, G = +2
VO = 1.4 V, G = +2, RL = 150 Ω , NTSC
VO = 1.4 V, G = +2, RL = 150 Ω , NTSC
3 channels driven at 5 MHz, VI = 1 V,
4th channel measured
DC Performance (see Note 2)
Open-loop transimpedance
gain, ZOL
VO = VS/2, RL = 1 kΩ to VS/2
Input offset voltage
VCM = VS/2
Non-inverting input bias current VCM = VS/2
Inverting input bias current
VCM = VS/2
Input
Least positive input voltage
(see Note 3)
Most positive input voltage (see
Note 3)
Common-mode rejection ratio,
CMRR
VCM = VS/2
Noninverting input impedance
Inverting input resistance, RI
Output
Most positive output voltage
Open-loop
RL = 1 kΩ to VS/2
Least positive output voltage
RL = 1 kΩ to VS/2
Current output, sourcing
VO = VS/2
Current output, sinking
Closed-loop output impedance
VO = VS/2
G = +2, f = 100 kHz
MIN TYP MAX UNIT
140
90
75
86
4.3
5.3
0.04%
0.07°
−52
MHz
MHz
ns
ns
dB
TA = 25°C
160 355
TA = −55°C to 125°C 153
kΩ
TA = 25°C
±1 ±3.5
TA = −55°C to 85°C
±4.3 mV
TA = 125°C
±5.0
TA = 25°C
TA = −55°C to 125°C
±5 ±13
±15 ^µA
TA = 25°C
TA = −55°C to 125°C
±5 ±13
µA
±16
TA = 25°C
TA = −55°C to 125°C
1.25 1.32
V
1.38
TA = 25°C
3.68 3.75
V
TA = −55°C to 125°C 3.62
TA = 25°C
51
58
TA = −55°C to 85°C
50
dB
TA = 125°C
49
50
kΩ
1
pF
5
Ω
TA = 25°C
TA = −55°C to 125°C
TA = 25°C
TA = −55°C to 125°C
TA = 25°C
TA = −55°C to 125°C
TA = 25°C
TA = −55°C to 125°C
3.9 4.10
3.8
0.9
62
80
55
−52 −70
−45
0.006
V
1.1
V
1.2
mA
mA
Ω
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