OPA4872-EP Datasheet, PDF (4/24 Pages) Texas Instruments – 4:1 HIGH-SPEED MULTIPLEXER

OPA4872-EP
SBOS444 – DECEMBER 2008........................................................................................................................................................................................... www.ti.com
ELECTRICAL CHARACTERISTICS: V_S = ±5 V
At T_A = +25°C, G = +2 V/V, R_F = 523 Ω, and R_L = 150 Ω, unless otherwise noted.
MIN/MAX OVER
TYP
TEMPERATURE
PARAMETER
CONDITIONS
+25°C
+25°C ⁽²⁾
–55°C to
+125°C ⁽³⁾
AC PERFORMANCE
Small-signal bandwidth
Bandwidth for 0.1 dB flatness
Large-signal bandwidth
Slew rate
V_O = 500 mV_PP, R_L = 150 Ω
V_O = 500 mV_PP, R_L = 150 Ω
V_O = 2 V_PP, R_L = 150 Ω
4 V step
500
120
500
2300
Rise time and fall time
4 V step
1.25
Settling time
to 0.05%
2 V step
15
to 0.1%
2 V step
14
Channel switching time
10
Harmonic distortion
2nd-harmonic
3rd-harmonic
Input voltage noise
G = +2 V/V, f = 10 MHz, V_O = 2 V_PP
R_L = 150 Ω
-60
R_L = 150 Ω
-78
f > 100 kHz
4.5
Noninverting input current noise
f > 100 kHz
4.0
Inverting input current noise
f > 100 kHz
19
Differential gain
Differential phase
All hostile crosstalk, input-referred
DC PERFORMANCE
G = +2 V/V, PAL, V_O = 1.4 V_P
G = +2 V/V, PAL, V_O = 1.4 V_P
Three channels driven at 5 MHz, 1 V_PP
Three channels driven at 30 MHz, 1 V_PP
0.035
0.005
-80
-66
Open-loop transimpedance (Z_OL)
Input offset voltage
Average Input offset voltage drift
Input offset voltage matching
Noninverting input bias current
Average noninverting input bias current
Inverting bias current
Average inverting input bias current
INPUT
V_O = 0 V, R_L = 100 Ω
V_CM = 0 V
V_CM = 0 V
V_CM = 0 V
V_CM = 0 V
V_CM = 0 V
V_CM = 0 V
V_CM = 0 V
103
92
60
±1
±5
±10.5
±30
±1
±5
±10.5
±4
±14
±20
±48
±4
±18
±35
±125
Common-mode input range (CMIR)
Each noninverting input
±2.7
±2.55
±2.4
Common-mode rejection ratio (CMRR)
Input resistance
V_CM = 0 V, input-referred, noninverting input
56
50
43
Noninverting
Channel enabled
2.5
Inverting
open loop
70
Input capacitance
Noninverting
Channel selected
0.9
Channel deselected
0.9
Chip disabled
0.9
OUTPUT
Output voltage swing
Output current
Short-circuit output current
R_L ≥ 1 kΩ
R_L = 150 Ω
V_O = 0 V
Output shorted to ground
±4
±3.7
±75
±100
±3.9
±3.55
±48
±3.55
±3.35
±38
Closed-Loop output impedance
G = +2 V/V, f ≤ 100 kHz
0.03
UNITS
MHz
MHz
MHz
V/µs
ns
ns
ns
ns
dBc
dBc
nV/√Hz
pA/√Hz
pA/√Hz
%
°
dB
dB
kΩ
mV
µV/°C
mV
µA
nA/°C
µA
nA/°C
V
dB
MΩ
Ω
pF
pF
pF
V
V
mA
mA
Ω
MIN/
MAX
TEST
LEVEL ⁽¹⁾
min
B
typ
C
min
B
min
B
max
B
typ
C
max
B
max
B
max
B
max
B
max
B
max
B
max
B
typ
C
typ
C
typ
C
typ
C
min
A
max
A
max
B
max
A
max
A
max
B
max
A
max
B
min
A
min
A
typ
C
typ
C
typ
C
typ
C
typ
C
min
A
min
A
min
A
typ
C
typ
C
(1) Test levels: (A) 100% tested at +25°C. Over temperature limits set by characterization and simulation. (B) Limits set by characterization
and simulation. (C) Typical value only for information.
(2) Junction temperature = ambient for +25°C tested specifications.
(3) Junction temperature = ambient at low temperature limit; junction temperature = ambient +9°C at high temperature limit for over
temperature specifications.
4
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