(@ 25؇C, V = ؎5 V, VOCM = 0, 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 outputs unless otherwise noted.)
AD8138–SPECIFICATIONS
S
Parameter
Conditions
Min
Typ
Max
Unit
؎DIN to ؎OUT Specifications
DYNAMIC PERFORMANCE
–3 dB Small Signal Bandwidth
V
OUT = 0.5 V p-p, CF = 0 pF
290
320
225
30
265
1150
16
MHz
MHz
MHz
MHz
V/ms
ns
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 = 5 V to 0 V Step, G = +2
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
–94
–87
–62
–114
–85
–57
–77
37
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
–4.7 to +3.4
–77
V
dB
DVOUT,dm/DVIN,cm; DVIN,cm = ±1 V
–70
OUTPUT CHARACTERISTICS
Output Voltage Swing
Output Current
Maximum DVOUT; Single-Ended Output
DVOUT,cm/DVOUT,dm; DVOUT,dm = 1 V
7.75
95
–66
V p-p
mA
dB
Output Balance Error
VOCM to ؎OUT Specifications
DYNAMIC PERFORMANCE
–3 dB Bandwidth
Slew Rate
250
330
MHz
V/ms
NPUT 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
±3.8
200
±1
0.5
–75
1
V
kW
mV
mA
dB
V/V
VOS,cm = VOUT,cm; VDIN+ = VDIN– = VOCM = 0 V
–3.5
+3.5
DVOUT,dm/DVOCM; DVOCM = ±1 V
DVOUT,cm/DVOCM; DVOCM = ±1 V
Gain
0.9955
1.0045
POWER SUPPLY
Operating Range
Quiescent Current
±1.4
18
±5.5
V
20
40
–90
23
mA
mA/∞C
dB
TMIN to TMAX Variation
DVOUT,dm/DVS; DVS = ±1 V
Power Supply Rejection Ratio
–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.
–2–
REV. E