TI TLC2252：高精度单/双电源运放手册，低功耗与卓越性能

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"TI TLC2252是一款高性能的线性CMOS运算放大器，特别设计用于低功耗和高精度应用。这款双通道（TLC2252）和四通道（TLC2254）器件旨在提供业界领先的-RAIL-TO-RAIL输出范围，这意味着其输出电压能够覆盖整个电源轨，从而扩展了动态范围，适用于单电源或分立电源系统。 TLC2252的主要特性包括： 1. 高精度：低至19 nV/√Hz的典型噪声性能，特别是在1 kHz频率下，确保了在宽频带内的信号处理有极高的信噪比。 2. 低输入偏置电流：1 pA的典型值，这有助于减少外部电路的影响，提高电路的稳定性和精度。 3. 低功耗设计：每通道仅消耗35 µA的电流，这对于电池供电的应用非常理想，能显著延长设备的使用寿命。 4. 宽共模输入电压范围：包括负电源轨，使得它能在更广泛的输入信号条件下正常工作。 5. 低输入失调电压：在25°C时，TLC225xA型号的最大值为850 µV，进一步增强了信号的准确度。 6. 内置macromodel：集成的宏模型使得该器件在模拟电子设计自动化（EDA）工具中的仿真更加方便。 7. 性能提升：与TS27L2/L4和TLC27L2/L4等其他产品相比，TLC2252提供了性能升级，适应不同的工业应用，如汽车级高可靠度设计。 8. 配置控制与打印支持：具备配置控制功能，便于用户根据需要调整参数，并且提供印刷支持，方便生产和调试过程。 9. 符合标准：TLC2252经过了严格的质量认证，满足了汽车行业的标准，确保了在严苛环境下的可靠性和稳定性。这款运算放大器在诸如精密测量、信号调理、传感器接口和低功耗信号处理等领域具有广泛的应用潜力，是追求高质量和低功耗设计的工程师的理想选择。"

TLC225x, TLC225xA

Advanced LinCMOS RAIL-TO-RAIL

VERY LOW-POWER OPERATIONAL AMPLIFIERS

SLOS176D – FEBRUARY 1997 – REVISED MARCH 2001

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

electrical characteristics at specified free-air temperature, V

DD±

= ±5 V (unless otherwise

specified)

PARAMETER

TEST CONDITIONS

†

TLC2254C

UNIT

PARAMETER

TEST

CONDITIONS

†

MIN TYP MAX

UNIT

ut offset voltage

25°C 200 1500

µV

Input

offset

voltage

Full range 1750

VIO

Temperature coefficient of input offset voltage

25°C

to 70°C

0.5 µV/°C

Input offset voltage long-term drift (see Note 4)

= 0,

=50Ω

= 0,

25°C

0.003 µV/mo

ut offset current

Ω

25°C 0.5 60

Input

offset

current

Full range 100

ut bias current

25°C 1 60

Input

bias

current

Full range 100

ICR

Common mode in

ut voltage range

|≤5mV

=50Ω

25°C

–5

–5.3

4.2

ICR

Common

mode

input

voltage

range

≤5

Ω

Full range

–5

3.5

= –20 µA 25°C 4.98

Maximum

ositive

eak out

ut voltage

= 100 µA

25°C 4.9 4.93

OM+

Maximum

positive

peak

output

voltage

= –

100

Full range 4.7

= –200 µA 25°C 4.8 4.86

= 0, I

= 50 µA 25°C –4.99

= 500 µA

25°C –4.85 –4.91

500

Full range –4.85

OM–

Maximum negative peak output voltage

25°C –4.7 –4.8

Full range –4.7

25°C –4 –4.3

Full range –3.8

= 100 kΩ

25°C 40 150

Large-signal differential voltage amplification V

= ±4 V

100

kΩ

Full range 10

V/mV

= 1 MΩ 25°C 3000

i(d)

Differential input resistance 25°C

Ω

i(c)

Common-mode input resistance 25°C

Ω

i(c)

Common-mode input capacitance f = 10 kHz, N package 25°C 8 pF

Closed-loop output impedance f = 25 kHz, A

= 10 25°C 190 Ω

CMRR

Common mode rejection ratio

= –5 V to 2.7 V,

25°C 75 88

CMRR

Common

mode

rejection

ratio

= 0, R

= 50 Ω

Full range 75

SVR

ly voltage rejection ratio (∆V

DD±

/∆V

)

DD±

= ±2.2 V to ±8 V,

25°C 80 95

SVR

Supply

voltage

rejection

ratio

(∆V

DD±

/∆V

)

DD±

= 0, No load

Full range 80

ly current (four am

lifiers)

No load

25°C 160 250

µA

Supply

current

(four

amplifiers)

load

Full range 300

†

Full range is 0°C to 70°C.

NOTE 4: Typical values are based on the input offset voltage shift observed through 500 hours of operating life test at T

= 150°C extrapolated

to T

= 25°C using the Arrhenius equation and assuming an activation energy of 0.96 eV.

TLC225x, TLC225xA

Advanced LinCMOS RAIL-TO-RAIL

VERY LOW-POWER OPERATIONAL AMPLIFIERS

SLOS176D – FEBRUARY 1997 – REVISED MARCH 2001

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

electrical characteristics at specified free-air temperature, V

= 5 V (unless otherwise noted)

PARAMETER

TEST CONDITIONS

†

TLC2252I TLC2252AI

UNIT

PARAMETER

TEST

CONDITIONS

†

MIN TYP MAX MIN TYP MAX

UNIT

ut offset voltage

V VV

25°C 200 1500 200 850

µV

Input

offset

voltage

V VV

Full range 1750 1000

VIO

Temperature coefficient

of input offset voltage

V VV

25°C

to 85°C

0.5 0.5 µV/°C

Input offset voltage

long-term drift

(see Note 4)

DD±

= ±2.5

= 0,

= 0, R

= 50 Ω

25°C 0.003 0.003 µV/mo

ut offset current

25°C 0.5 60 0.5 60

Input

offset

current

Full range 1000 1000

ut bias current

25°C 1 60 1 60

Input

bias

current

Full range 1000 1000

ICR

Common-mode input

=50Ω|V

|≤5mV

25°C

–0.3

4.2

–0.3

4.2

ICR

voltage range

Ω

≤5

Full range

3.5

= –20 µA 25°C 4.98 4.98

High-level output

= 75 µA

25°C 4.9 4.94 4.9 4.94

voltage

= –

Full range 4.8 4.8

= –150 µA 25°C 4.8 4.88 4.8 4.88

= 2.5 V, I

= 50 µA 25°C 0.01 0.01

Low level output

=25V I

= 500 µA

25°C 0.09 0.15 0.09 0.15

ow-

eve

voltage

500

Full range 0.15 0.15 V

voltage

=25V I

25°C 0.8 1 0.7 1

Full range 1.2 1.2

Large signal differential

V25V

100 kΩ

‡

25°C 100 350 100 350

arge-s

gna

diff

eren

voltage am

lification

=1Vto4V

100

kΩ

‡

Full range 10 10

V/mV

voltage

am lification

= 1 MΩ

‡

25°C 1700 1700

Differential input

resistance

25°C 10

Ω

Common-mode

input resistance

25°C 10

Ω

Common-mode

input capacitance

f = 10 kHz, P package 25°C 8 8 pF

Closed-loop

output impedance

f = 25 kHz, A

= 10 25°C 200 200

Ω

CMRR

Common-mode

= 0 to 2.7 V, V

= 2.5 V,

25°C 70 83 70 83

CMRR

rejection ratio

= 50 Ω

Full range 70 70

SVR

Supply-voltage

rejection ratio

= 4.4 V to 16 V,

25°C 80 95 80 95

SVR

rejection

ratio

(∆V

/∆V

)

= V

/2, No load

Full range 80 80

ly current

= 2 5 V No load

25°C 70 125 70 125

µA

Su ly

current

load

Full range 150 150

µA

†

Full range is – 40°C to 125°C.

‡

Referenced to 2.5 V

NOTE 4: Typical values are based on the input offset voltage shift observed through 500 hours of operating life test at T

= 150°C extrapolated

to T

= 25°C using the Arrhenius equation and assuming an activation energy of 0.96 eV.

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