Datasheet
OPA615
SBOS299E –FEBRUARY 2004–REVISED SEPTEMBER 2009......................................................................................................................................
www.ti.com
ELECTRICAL CHARACTERISTICS: V
S
= ±5V
R
L
= 100Ω, R
Q
= 300Ω, and R
IN
= 50Ω, unless otherwise noted.
OPA615ID, OPA615IDGS
TYP MIN/MAX OVER TEMPERATURE
0°C to –40°C to MIN/ TEST
PARAMETER CONDITIONS +25°C +25°C
(2)
70°C
(3)
+85°C
(3)
UNIT MAX LEVEL
(1)
AC PERFORMANCE (OTA) See Figure 36b
Small-Signal Bandwidth (B to E) V
O
= 200mV
PP
, R
L
= 500Ω 710 MHz min C
V
O
= 1.4V
PP
, R
L
= 500Ω 770 MHz min C
V
O
= 2.8V
PP
, R
L
= 500Ω 230 MHz min C
Large-Signal Bandwidth (B to E) V
O
= 5V
PP
, R
L
= 500Ω 200 MHz min C
Small-Signal Bandwidth (B to C) G = +1, V
O
= 200mV
PP
, R
L
= 100Ω 440 MHz min C
G = +1, V
O
= 1.4V
PP
, R
L
= 100Ω 475 MHz min C
G = +1, V
O
= 2.8V
PP
, R
L
= 100Ω 230 MHz min C
Large-Signal Bandwidth (B to C) G = +1, V
O
= 5V
PP
, R
L
= 100Ω 230 MHz min C
Rise-and-Fall Time (B to E) V
O
= 2V
PP
, R
L
= 500Ω 2 ns max C
Rise-and-Fall Time (B to C) G = +1, V
O
= 2V
PP
, R
L
= 100Ω 2 ns max C
Harmonic Distortion (B to E) R
E
= 100Ω
2nd-Harmonic V
O
= 1.4V
PP
, f = 30MHz –62 –50 –48 –47 dBc min B
3rd-Harmonic V
O
= 1.4V
PP
, f = 30MHz –47 –40 –35 –33 dBc min B
Input Voltage Noise Base Input, f > 100kHz 4.6 6.2 6.9 7.4 nV/√Hz max B
Input Current Noise Base Input, f > 100kHz 2.5 3.1 3.6 3.9 pA/√Hz max B
Input Current Noise Emitter Input, f > 100kHz 21 23 25 27 pA/√Hz max B
DC PERFORMANCE (OTA) See Figure 37b
Transconductance (V-base to I-collector) V
B
= ±5mV
PP
, R
C
= 0Ω, R
E
= 0Ω 72 65 63 58 mA/V min A
B-Input Offset Voltage V
B
= 0V, R
C
= 0V, R
E
= 100Ω ±4 ±40 ±47 ±50 mV max A
B-Input Offset Voltage Drift V
B
= 0V, R
C
= 0V, R
E
= 100Ω ±160 ±160 μV/°C max B
B-Input Bias Current V
B
= 0V, R
C
= 0V, R
E
= 100Ω ±0.5 ±0.9 ±1.5 ±1.7 μA max A
B-Input Bias Current Drift V
B
= 0V, R
C
= 0V, R
E
= 100Ω ±12 ±12 nA/°C max B
E-Input Bias Current V
B
= 0V, V
C
= 0V ±35 ±110 ±120 ±135 μA min A
E-Input Bias Current Drift V
B
= 0V, V
C
= 0V ±200 ±250 nA/°C max B
C-Output Bias Current V
B
= 0V, V
C
= 0V ±35 ±100 ±110 ±125 μA max A
C-Output Bias Current V
B
= 0V, V
C
= 0V ±200 ±250 nA/°C max B
INPUT (OTA Base) See Figure 37b
Input Voltage Range R
E
= 100Ω ±3.4 ±3.2 ±3.1 ±3.0 V min B
Input Impedance B-Input 7 || 1.5 MΩ || pF typ C
OTA Power-Supply Rejection Ratio
±V
S
to V
IO
at E-Input 54 49 47 46 dB min A
(–PSRR)
OUTPUT (OTA Collector) See Figure 37b
Output Voltage Compliance I
E
= 2mA ±3.5 ±3.4 ±3.4 ±3.4 V min A
Output Current V
C
= 0V ±20 ±18 ±17 ±17 mA min A
Output Impedance V
C
= 0V 1.2 || 2 MΩ || pF typ C
COMPARATOR PERFORMANCE
AC Performance
Output Current Bandwidth I
O
< 4mA
PP
730 520 480 400 MHz min B
Output Current Rise and Fall Time I
IO
= ±2mA
PP
, R
L
= 50Ω at C
HOLD
1.4 1.5 1.7 2 ns max B
Control Propagation Delay Time Hold ≥ Track and Track ≥ Hold 2.5 ns typ C
Signal Propagation Delay Time S/H In+ – S/H In– to C
HOLD
Current 1.9 ns typ C
Input Differential Voltage Noise S/H In+ – S/H In– 6 7.5 8 9 nV/√Hz max B
Charge Injection Track-to-Hold 40 fC typ C
Feedthrough Rejection Hold Mode, V
IN
= 1V
PP
, f < 20MHz 100 dB 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 +23°C at high temperature limit for over
temperature specifications.
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