ISO120G-BI Datasheet, PDF (5/16 Pages) Burr-Brown (TI) – Precision Low Cost ISOLATION AMPLIFIER

TYPICAL PERFORMANCE CURVES (CONT)
T_A = +25°C; V_S1 = V_S2 = ±15V; and R_L = 2kΩ, unless otherwise noted.
160
140
120
100
80
60
40
1
IMR vs FREQUENCY
10
100
1k
10k
100k
1M
Frequency (Hz)
SIGNAL RESPONSE vs CARRIER FREQUENCY
0
–20dB/dec (for comparison only)
–20
–40
f_IN (Hz) ⁰
f_C
2f_C
3f_C
f_OUT (Hz) 0
f_c/2
0
f_C/2
0
f_C /2
0
10nF
1000pF
SYNCHRONIZATION RANGE at 25°C
±4Vp SINE WAVE INPUT TO EXT OSC
Typical
Free Run
Frequency
0
1k
10k
100k
1M
C₂ ≥ C₁
Frequency (Hz)
NOISE vs SMALL SIGNAL BANDWIDTH
12
10
8
C₂ = C₁*
6
4
C₂ = 2C₁
2
*C₁ ≤ 5000pF
0
0.1f_–3dB
0.2f_–3dB
0.5f_–3dB
Normalized Frequency
f_–3dB
SINE RESPONSE
(f = 2kHz, C₂ = 0)
SINE RESPONSE
(f = 20kHz, C₂ = 0)
+10
+10
0
0
–10
–10
0
500
1000
0
Time (µs)
FPO
BLEED
TO EDGE
OF BOX
5
50
100
Time (µs)
ISO120/121