Datasheet > BUF634AIDDAR

BUF634AIDDAR

更新时间： 2022-06-24 15:42:59

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德州仪器 - TI		/
页数	文件大小	规格书
41页	3585K
描述
BUF634A 36-V, 210-MHz, 250-mA Output, High-Speed Buffer

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BUF634AIDDAR 数据手册

BUF634A

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SBOS948D – FEBRUARY 2019 – REVISED SEPTEMBER 2020

7.6 Electrical Characteristics: Low-Quiescent Current Mode

At T_A= 25°C, V_S= ±15 V, BW pin left open, and R_L= 100 Ω connected to mid-supply (unless otherwise noted).

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

AC PERFORMANCE

R_L= 1 kΩ

Bandwidth, –3 dB

MHz

R_L= 100 Ω

Bandwidth for 0.1-dB flatness V_O= 10 mV_PP, R_L= 100 Ω, R_S= 50 Ω

2.3

3750

MHz

V/µs

Slew rate

V_O= 20-V step, V_IN-SR = 4000 V/µs

V_O= 200-mV step

Rise and fall time

Settling time to 0.1%

Settling time to 1%

Voltage noise

V_O= 20-V step, V_IN-SR = 2500 V/µs

f = 1 kHz

400

e_n

i_n

8.1

0.3

–54

–65

–40

–44

nV/√ Hz

pA/√ Hz

Current noise

f = 10 kHz

V_O= 2 V_PP, f = 20 kHz

V_O= 10 V_PP, f = 20 kHz

V_O= 2 V_PP, f = 20 kHz

V_O= 10 V_PP, f = 20 kHz

HD2

HD3

2nd-harmonic distortion

3rd-harmonic distortion

dBc

DC PERFORMANCE

V_OSInput offset voltage

T_A= 25℃ (see Figure 26)

T_A= –40℃ to 125℃ (see Figure 28)

V_IN= 0 V

175

µV/℃

µA

Input offset voltage drift⁽¹⁾

I_B

Input bias current

0.03

0.99

0.95

0.93

0.25

V_O= ±10 V, R_L= 1 kΩ

V_O= ±10 V, R_L= 100 Ω

V_O= ±10 V, R_L= 67 Ω

0.95

0.93

0.91

Gain

V/V

INPUT

Linear input voltage range

Input impedance

R_L= 1 kΩ, I_B< 10 µA

R_L= 100 Ω

–13

Z_IN

1400 || 5

MΩ || pF

OUTPUT

I_O= ±10 mA

I_O= ±100 mA

I_O= ±150 mA

1.6

2.0

1.8

2.2

2.5

Output headroom to supplies

2.2

I_O

Current output, continuous

Short-circuit current

Output impedance

±250

±350

I_SC

Z_O

±550

DC, I_O= 10 mA

POWER SUPPLY

V_S

Operating voltage range

±2.25

±18

2.3

I_Q

Quiescent current

I_O= 0

1.5

PSRR

Power-supply rejection ratio

V_S= ±2.25 V to ±18 V

THERMAL SHUTDOWN

Thermal shutdown

temperature

180

℃

(1) Based on electrical characterization over temperature of 35 devices.

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