TSZ122IQ2T datasheet(9/38 Pages) STMICROELECTRONICS

Part #	TSZ122IQ2T

Description	Very high accuracy zero drift micropower 5 V operational amplifiers

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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9 / 38 page

TSZ121, TSZ122, TSZ124

Electrical characteristics

DocID023563 Rev 5

9/38

Table 5: Electrical characteristics at VCC+ = 5 V with VCC- = 0 V, Vicm = VCC/2, T = 25 ° C, and

RL = 10 kΩ connected to VCC/2 (unless otherwise specified)

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Unit

DC performance

Vio

Input offset voltage

T = 25 °C

1

5

μV

-40 °C < T < 125 °C

8

ΔVio/ΔT

Input offset voltage drift

(1)

-40 °C < T < 125 °C

10

30

nV/°C

Iib

Input bias current

(Vout = VCC/2)

T = 25 °C

70

200

(2)

pA

-40 °C < T < 125 °C

300

(2)

Iio

Input offset current

(Vout = VCC/2)

T = 25 °C

140

400

(2)

-40 °C < T < 125 °C

600

(2)

CMR

Common mode rejection

ratio, 20 log (ΔVicm/ΔVio),

Vic = 0 V to VCC,

Vout = VCC/2, RL > 1 MΩ

T = 25 °C

115

136

dB

-40 °C < T < 125 °C

115

SVR

Supply voltage rejection

ratio, 20 log (ΔVCC/ΔVio),

VCC = 1.8 V to 5.5 V,

Vout = VCC/2, RL > 1 MΩ

T = 25 °C

120

140

-40 °C < T < 125 °C

120

Avd

Large signal voltage gain,

Vout = 0.5 V to (VCC - 0.5 V)

T = 25 °C

120

135

-40 °C < T < 125 °C

110

EMIRR

(3)

EMI rejection rate = -20 log

(VRFpeak/ΔVio)

VRF = 100 mVp, f = 400 MHz

84

VRF = 100 mVp, f = 900 MHz

87

VRF = 100 mVp, f = 1800 MHz

90

VRF = 100 mVp, f = 2400 MHz

91

VOH

High-level output voltage

T = 25 °C

30

mV

-40 °C < T < 125 °C

70

VOL

Low-level output voltage

T = 25 °C

30

-40 °C < T < 125 °C

70

Iout

Isink (Vout = VCC)

T = 25 °C

15

18

mA

-40 °C < T < 125 °C

14

Isource (Vout = 0 V)

T = 25 °C

14

17

-40 °C < T < 125 °C

12

ICC

Supply current

(per amplifier, Vout = VCC/2,

RL > 1 MΩ)

T = 25 °C

31

40

μA

-40 °C < T < 125 °C

40

AC performance

GBP

Gain bandwidth product

RL = 10 kΩ, CL = 100 pF

400

kHz

Fu

Unity gain frequency

300

ɸm

Phase margin

53

Degrees

Gm

Gain margin

19

dB

SR

Slew rate

(4)

0.19

V/μs

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