OPA128 Datasheet, PDF (4/11 Pages) Burr-Brown (TI) – Difet Electrometer-Grade OPERATIONAL AMPLIFIER

DICE INFORMATION
OPA128 DIE TOPOGRAPHY
PAD
FUNCTION
1
Offset Trim
2
–In
3
+In
4
–V_CC
5
Offset Trim
6
Output
7
+V_CC
8
Substrate
NC
No Connection
Substrate Bias: Isolated, normally con-
nected to common.
MECHANICAL INFORMATION
Die Size
Die Thickness
Min. Pad Size
Backing
MILS (0.001")
96 x 71 ±5
20 ±3
4x4
MILLIMETERS
2.44 x 1.80 ±0.13
0.51 ±0.08
0.10 x 0.10
None
TYPICAL PERFORMANCE CURVES
At T_A = +25°C, ±15VDC, unless otherwise noted.
140
120
100
80
60
40
20
0
1
OPEN-LOOP FREQUENCY RESPONSE
Gain
–45
Ø
Phase
Margin
∼90°
–90
–135
–180
10 100 1k 10k 100k 1M 10M
Frequency (Hz)
140
120
100
80
60
40
20
0
1
POWER SUPPLY REJECTION vs FREQUENCY
–PSRR
+PSRR
10 100 1k 10k 100k 1M 10M
Frequency (Hz)
COMMON-MODE REJECTION
vs INPUT COMMON-MODE VOLTAGE
120
110
100
90
80
70
–15
–10
–5
0
5
10
Common-Mode Voltage (V)
®
OPA128
15
4
140
120
100
80
60
40
20
0
1
COMMON-MODE REJECTION
vs FREQUENCY
10 100 1k 10k 100k 1M 10M
Frequency (Hz)