OA1ZHA Datasheet, PDF (7/35 Pages) STMicroelectronics – Fitness and healthcare

OA1ZHA, OA2ZHA, OA4ZHA
Electrical characteristics
Symbol
Vio
ΔVio/ΔT
Iib
Iio
CMR
Avd
VOH
VOL
Iout
ICC
GBP
Fu
ɸm
Gm
SR
ts
en
Cs
tinit
Table 4: Electrical characteristics at VCC+ = 3.3 V with VCC- = 0 V, Vicm = VCC/2, T = 25 ° C,
and RL = 10 kΩ connected to VCC/2 (unless otherwise specified)
Parameter
Conditions
Min. Typ. Max. Unit
DC performance
Input offset voltage
Input offset voltage drift ⁽¹⁾
Input bias current
(Vout = VCC/2)
Input offset current
(Vout = VCC/2)
T = 25 °C
-40 °C < T < 125 °C
-40 °C < T < 125 °C
T = 25 °C
-40 °C < T < 125 °C
T = 25 °C
-40 °C < T < 125 °C
1
5
8
10
30
60 200 ⁽²⁾
300 ⁽²⁾
120 400 ⁽²⁾
600 ⁽²⁾
μV
nV/°C
pA
Common mode rejection
T = 25 °C
115 128
ratio, 20 log (ΔVicm/ΔVio),
Vic = 0 V to VCC,
-40 °C < T < 125 °C
115
Vout = VCC/2, RL > 1 MΩ
dB
Large signal voltage gain,
Vout = 0.5 V to (VCC - 0.5 V)
T = 25 °C
-40 °C < T < 125 °C
118 135
110
High-level output voltage
Low-level output voltage
T = 25 °C
-40 °C < T < 125 °C
T = 25 °C
-40 °C < T < 125 °C
30
70
mV
30
70
T = 25 °C
15
18
Isink (Vout = VCC)
-40 °C < T < 125 °C
12
mA
T = 25 °C
14
16
Isource (Vout = 0 V)
-40 °C < T < 125 °C
10
Supply current
(per amplifier), Vout = VCC/2,
RL > 1 MΩ)
T = 25 °C
-40 °C < T < 125 °C
AC performance
29
40
μA
40
Gain bandwidth product
Unity gain frequency
400
kHz
300
Phase margin
Gain margin
Slew rate ⁽³⁾
RL = 10 kΩ, CL = 100 pF
56
Degrees
19
dB
0.19
V/μs
Setting time
Equivalent input noise
voltage
To 0.1 %, Vin = 1 Vp-p,
RL = 10 kΩ, CL = 100 pF
f = 1 kHz
f = 10 kHz
50
μs
40
nV/√Hz
40
Channel separation
f = 100 Hz
120
dB
Initialization time
T = 25 °C
-40 °C < T < 125 °C
50
μs
100
DocID025994 Rev 2
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