TSH310 datasheet(3/19 Pages) STMICROELECTRONICS

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Electrical Characteristics

TSH310

3/19

2 Electrical Characteristics

Table 3: Electrical characteristics for VCC = ±2.5Volts, Tamb = 25°C (unless otherwise specified)

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

DC performance

Vio

Input Offset Voltage

Offset Voltage between both inputs

Tamb

1.7

6.5

Tmin. < Tamb < Tmax.

2.1

∆V

Vio drift vs. Temperature

Tmin. < Tamb < Tmax.

µV/°C

Iib+

Non Inverting Input Bias Current

DC current necessary to bias the input +

Tamb

3.1

µA

Tmin. < Tamb < Tmax.

3.5

Iib-

Inverting Input Bias Current

DC current necessary to bias the input -

Tamb

0.1

µA

Tmin. < Tamb < Tmax.

0.3

CMR

Common Mode Rejection Ratio

20 log (

∆V

ic/∆Vio)

∆V

ic = ±1V

-57

-61

Tmin. < Tamb < Tmax.

-59

SVR

Supply Voltage Rejection Ratio

20 log (

∆Vcc/∆Vio)

∆V

cc= 3.5V to 5V

-65

-82

Tmin. < Tamb < Tmax.

-79

PSR

Power Supply Rejection Ratio

20 log (

∆V

cc/∆Vout)

AV = +1,

∆V

cc=±100mV

at 1kHz

-50

Tmin. < Tamb < Tmax.

ICC

Positive Supply Current

DC consumption with no input signal

No load

400

530

µA

Dynamic performance and output characteristics

ROL

Transimpedance

Output Voltage/Input Current Gain in

open loop of a CFA.

For a VFA, the analog of this feature is

the Open Loop Gain (AVD)

RL = 1k

Ω,Vout = ±1V

0.6

1.45

Ω

Tmin. < Tamb < Tmax.

1.36

Ω

-3dB Bandwidth

Frequency where the gain is 3dB below

the DC gain AV

Note:

Gain Bandwidth Product criterion is

not applicable for Current-Feedback-

Amplifiers

Small Signal Vout=20mVp-p

RL = 1k

Ω

AV = +1, Rfb = 3k

Ω

AV = +2, Rfb = 3kΩ

AV = +10, Rfb = 510Ω

230

120

MHz

Gain Flatness @ 0.1dB

Band of frequency where the gain varia-

tion does not exceed 0.1dB

Small Signal Vout=20mVp-p

AV = +2, RL = 1k

Ω

Slew Rate

Maximum output speed of sweep in

large signal

Vout = 2Vp-p, AV = +2,

RL = 1kΩ

115

µs

VOH

High Level Output Voltage

RL = 1kΩ

1.55

1.65

Tmin. < Tamb < Tmax.

1.58

VOL

Low Level Output Voltage

RL = 1kΩ

-1.66

-1.55

Tmin. < Tamb < Tmax.

-1.60

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