OPA2662 Datasheet, PDF (9/18 Pages) Burr-Brown (TI) – Dual, Wide Bandwidth OPERATIONAL TRANSCONDUCTANCE AMPLIFIER

TYPICAL PERFORMANCE CURVES (CONT)
At V_CC = ±5V, R_Q = 750Ω, (R_E = 100Ω, V_IN = 2.5Vp-p), I_C = ±75mA (R_E = 50Ω, V_IN = 2.5Vp-p), and T_A = +25°C, unless otherwise specified.
–124
OTA SPECTRAL NOISE DENSITY
–134
–144
Test Circuit
DUT
+
150Ω ^–
V
N
50Ω
I_Q = ±17mA
–154
I_Q = ±34mA
I_Q = ±8mA
–164
100
1k
10k
100k
Frequency (Hz)
140
44
14
4.4
1.4
1M
BUFFER SPECTRAL NOISE DENSITY
124
140
–134
44
–144
–154
150Ω
–164
100
14
I_Q = ±34mA
4.4
V_N ^{IQ = ±17mA}
I_Q = ±8mA
1.4
1k
10k
100k
1M
Frequency (Hz)
BUFFER TRANSFER FUNCTION, B to E
4
3
R_E = 100Ω
I_Q = ±17mA
2
1
0
–1
–2
–3
–4
–5 –4 –3 –2 –1 0 1 2 3 4 5
Input Voltage (V)
50
45
40
35
30
25
20
15
10
5
0
–5
BUFFER OUTPUT GAIN ERROR, B to E
–40°C
85°C
–4 –3 –2 –1 0 1 2 3 4 5
Input Voltage (V)
OTA E-OUTPUT SMALL SIGNAL PULSE RESPONSE
150
100
50
0
–50
–100
–150
0
I_Q = ±17mA, t_RISE = t_FALL = 1ns (Generator), R_E = 100Ω
20
40
60
80
100
120
Time (ns)
OTA E-OUTPUT LARGE SIGNAL PULSE RESPONSE
4
2
0
–2
I_Q = ±17mA, t_RISE = t_FALL = 1ns (Generator), R_E = 100Ω
–4
0
20
40
60
80
100
120
Time (ns)
9
OPA2662