AD8138
(@ 25؇C, VS = 5 V, VOCM = 2.5 V, G = +1, RL,dm = 500 ⍀, unless otherwise noted. Refer to Figure 1 for test
setup and label descriptions. All specifications refer to single-ended input and differential output, unless
otherwise noted.)
SPECIFICATIONS
Parameter
Conditions
Min
Typ
Max
Unit
؎
DIN to ؎OUT Specifications
DYNAMIC PERFORMANCE
–3 dB Small Signal Bandwidth
VOUT = 0.5 V p-p, CF = 0 pF
VOUT = 0.5 V p-p, CF = 1 pF
VOUT = 0.5 V p-p, CF = 0 pF
VOUT = 2 V p-p, CF = 0 pF
VOUT = 2 V p-p, CF = 0 pF
0.01%, VOUT = 2 V p-p, CF = 1 pF
VIN = 2.5 V to 0 V Step, G = +2
280
310
225
29
265
950
16
MHz
MHz
MHz
MHz
V/ms
ns
Bandwidth for 0.1 dB Flatness
Large Signal Bandwidth
Slew Rate
Settling Time
Overdrive Recovery Time
4
ns
NOISE/HARMONIC PERFORMANCE*
Second Harmonic
VOUT = 2 V p-p, 5 MHz, RL,dm = 800 W
VOUT = 2 V p-p, 20 MHz, RL,dm = 800 W
VOUT = 2 V p-p, 70 MHz, RL,dm = 800 W
VOUT = 2 V p-p, 5 MHz, RL,dm = 800 W
VOUT = 2 V p-p, 20 MHz, RL,dm = 800 W
VOUT = 2 V p-p, 70 MHz, RL,dm = 800 W
20 MHz
20 MHz
f = 100 kHz to 40 MHz
f = 100 kHz to 40 MHz
–90
–79
–60
–100
–82
–53
–74
35
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBm
nV/÷Hz
pA/÷Hz
Third Harmonic
IMD
IP3
Voltage Noise (RTI)
Input Current Noise
5
2
INPUT CHARACTERISTICS
Offset Voltage
VOS,dm = VOUT,dm/2; VDIN+ = VDIN– = VOCM = 0 V
TMIN to TMAX Variation
–2.5
±1
+2.5
7
mV
mV/∞C
mA
mA/∞C
MW
MW
pF
±4
Input Bias Current
Input Resistance
3.5
–0.01
6
3
TMIN to TMAX Variation
Differential
Common Mode
Input Capacitance
Input Common-Mode Voltage
CMRR
1
0.3 to 3.2
–77
V
dB
⌬VOUT,dm/⌬VIN,cm; ⌬VIN,cm = 1 V
–70
OUTPUT CHARACTERISTICS
Output Voltage Swing
Output Current
Maximum ⌬VOUT; Single-Ended Output
⌬VOUT,cm/⌬VOUT,dm; ⌬VOUT,dm = 1 V
2.9
95
–65
V p-p
mA
dB
Output Balance Error
VOCM to
؎OUT Specifications
DYNAMIC PERFORMANCE
–3 dB Bandwidth
Slew Rate
220
250
MHz
V/ms
INPUT VOLTAGE NOISE (RTI)
f = 0.1 MHz to 100 MHz
17
nV/÷Hz
DC PERFORMANCE
Input Voltage Range
Input Resistance
Input Offset Voltage
Input Bias Current
VOCM CMRR
1.0 to 3.8
V
100
±1
0.5
–70
1
kW
mV
mA
dB
VOS,cm = VOUT,cm; VDIN+ = VDIN– = VOCM = 0 V
–5
+5
⌬VOUT,dm/⌬VOCM; ⌬VOCM = 2.5 ± 1 V
⌬VOUT,cm/⌬VOCM; ⌬VOCM = 2.5 ± 1 V
Gain
0.9968
1.0032 V/V
POWER SUPPLY
Operating Range
Quiescent Current
2.7
15
11
21
V
20
40
–90
mA
mA/∞C
dB
T
MIN to TMAX Variation
Power Supply Rejection Ratio
⌬VOUT,dm/⌬VS; ⌬VS = ±1 V
–70
OPERATING TEMPERATURE RANGE
–40
+85
∞C
*Harmonic Distortion Performance is equal or slightly worse with higher values of RL,dm. See TPCs 13 and 14 for more information.
Specifications subject to change without notice.
REV. E
–3–