OPA2662 Datasheet, PDF (7/18 Pages) Burr-Brown (TI) – Dual, Wide Bandwidth OPERATIONAL TRANSCONDUCTANCE AMPLIFIER

TYPICAL PERFORMANCE CURVES (CONT)
At V_CC = ±5V, R_Q = 750Ω, I_C = ±37.5mA (R_E = 100Ω, V_IN = 2.5Vp-p), I_C = ±75mA (R_E = 50Ω, V_IN = 2.5Vp-p), and T_AMB = +25°C, unless otherwise noted.
BANDWIDTH vs OUTPUT CURRENT
5
0
I_C = ±75mA
I_C = ±37.5mA
–5
R_C = 15Ω
R_E = 25Ω
R_C = 30Ω
R_E = 50Ω
–10
–15
–20
1M
10M
100M
1G
Frequency (Hz)
OPEN-LOOP GAIN vs FREQUENCY
80
I_Q = ±17mA
60
I_Q = ±8mA
I_Q = ±34mA
40
Test Circuit
50Ω 100Ω ^DUT
BUF601
20
180Ω
50Ω
+1
50Ω
0
100k
300k
1M
3M
10M
Frequency (Hz)
30M 100M
OTA LARGE SIGNAL PULSE RESPONSE
vs OUTPUT CURRENT
2.0
1.0
I_CMAX = ±37mA
R_E = 100Ω
I_CMAX = ±75mA
0
R_E = 50Ω
–1.0
–2.0
0
I_Q = ±17mA
t_RISE = t_FALL = 1ns (Generator)
50
100
150
200
Time (ns)
OTA LARGE SIGNAL PULSE RESPONSE
vs TOTAL QUIESCENT CURRENT
100
50
0
–5
–100
0
I_Q = ±34mA
I_Q = ±8mA
I_Q = ±17mA
R_C = 10Ω, R_E = 50Ω
10
20
30
40
50
Time (ns)
OTA LARGE SIGNAL PULSE RESPONSE
vs OUTPUT VOLTAGE
1.0
R_C = 10Ω
0.5
R_C = 30Ω
0
–0.5
–1.0
0
V = 2.7Vp-p
IN
100Ω
50Ω
Test Circuit
R
C
V
OUT
12Ω
50Ω
50
100
Time (ns)
150
200
OPTIMIZED FREQUENCY RESPONSE
vs OUTPUT VOLTAGE
20
6Vp-p
0
3Vp-p
–20
Test Circuit
V_IN
100Ω
1.4Vp-p
0.6Vp-p
V_OUT
–40
100Ω
R_E
–60
0.1M
50Ω
6.8pF
C_E
1M
10M
Frequency (Hz)
I_Q = ±17mA
100M
1G
7
OPA2662