TSV621A STMicroelectronics, TSV621A Datasheet - Page 12

• Manufacturer Part Number: TSV621A
• Description: Micro-power CMOS op-amp
• Manufacturer: STMicroelectronics

Specifications of TSV621A

• Low Supply Voltage: 1.5 V–5.5V
• Low Input Offset Voltage: 800 µV max (A version)
• Low Power Consumption: 29 µA typ
• Gain Bandwidth Product: 420 kHz typ
• Micropackages: SC70-5, SOT23-5
• Low Input Bias Current: 1 pA typ
• Extended Temperature Range: -40 to +125° C

Application information
3
3.1
3.2
3.3
12/24
Figure 14. Input offset voltage vs input
-0.1
-0.1
-0.2
-0.2
-0.3
-0.3
-0.4
-0.4
-0.5
-0.5
0.5
0.5
0.4
0.4
0.3
0.3
0.2
0.2
0.1
0.1
0.0
0.0
-0.2
-0.2 0.0
0.0
Application information
Operating voltages
The TSV620 and TSV621 can operate from 1.5 to 5.5 V. Their parameters are fully specified
for 1.8, 3.3 and 5 V power supplies. However, the parameters are very stable in the full V
range and several characterization curves show the TSV62x characteristics at 1.5 V.
Additionally, the main specifications are guaranteed in extended temperature ranges from
-40° C to +125° C.
Rail-to-rail input
The TSV62x is built with two complementary PMOS and NMOS input differential pairs. The
device has a rail-to-rail input and the input common mode range is extended from
V
the transition region, the performances of CMRR, PSRR, V
(as shown in
The device is guaranteed without phase reversal.
Rail-to-rail output
The operational amplifier’s output level can go close to the rails: 35 mV maximum above and
below the rail when connected to a 10 kΩ resistive load to V
common mode at V
CC-
0.2
0.2
Input Common Mode Voltage (V)
-0.1 V to V
0.4
0.4
0.6
0.6
Figure 14
CC+
0.8
0.8
1.0
1.0
+0.1 V. The transition between the two pairs appears at V
CC+
and
1.2
1.2
= 1.5 V
Figure 15
1.4
1.4
Doc ID 14912 Rev 2
1.6
1.6
for V
Figure 15. Input offset voltage vs input
io
vs. V
-0.2
-0.2
-0.4
-0.4
0.4
0.4
0.2
0.2
0.0
0.0
0.0
0.0
icm
TSV620, TSV620A, TSV621, TSV621A
).
common mode at V
1.0
1.0
Input Common Mode Voltage (V)
io
CC
and THD are slightly degraded
/2.
2.0
2.0
3.0
3.0
CC+
CC
= 5 V
4.0
4.0
-0.7 V. In
5.0
5.0
CC