AD8276BRMZ 데이터 시트보기 (PDF) - Analog Devices

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AD8276BRMZ

Low Power, Wide Supply Range, Low Cost Unity-Gain Difference Amplifiers

Analog Devices 

AD8276/AD8277

Data Sheet

VS = +2.7 V to <±5 V, VREF = midsupply, TA = 25°C, RL = 10 kΩ connected to midsupply, G = 1 difference amplifier configuration, unless

otherwise noted.

Table 3.

Parameter

INPUT CHARACTERISTICS

System Offset1

vs. Temperature

Average Temperature

Coefficient

vs. Power Supply

Common-Mode Rejection

Ratio (RTI)

Input Voltage Range2

Impedance3

Differential

Common Mode

DYNAMIC PERFORMANCE

Bandwidth

Slew Rate

Settling Time to 0.01%

Channel Separation

GAIN

Gain Error

Gain Drift

OUTPUT CHARACTERISTICS

Output Swing4

Short-Circuit Current

Limit

Capacitive Load Drive

NOISE5

Output Voltage Noise

POWER SUPPLY

Supply Current6

Operating Voltage

Range

TEMPERATURE RANGE

Operating Range

Conditions

TA = −40°C to +85°C

TA = −40°C to +85°C

VS = ±5 V to ±18 V

VS = 2.7 V, VCM = 0 V

to 2.4 V, RS = 0 Ω

VS = ±5 V, VCM = −10 V

to +7 V, RS = 0 Ω

8 V step on output,

CL = 100 pF, VS = 10 V

f = 1 kHz

TA = −40°C to +85°C

RL = 10 kΩ ,

TA = −40°C to +85°C

f = 0.1 Hz to 10 Hz

f = 1 kHz

TA = −40°C to +85°C

G=1

Grade B

Grade A

Min

Typ

Max

Min

Typ Max

100

0.5

86

86

−2(VS + 0.1)

200

100 500

200

500

2

25

5

10

80

80

+2(VS − 1.5) −2(VS + 0.1)

+2(VS − 1.5)

80

80

40

40

450

450

1.0

1.0

5

5

130

130

0.005 0.02

1

0.01 0.05

5

−VS + 0.1

±10

200

2

65

2.0

+VS − 0.15 −VS + 0.1

200

36

2.0

+VS − 0.15

±10

200

2

65

200

36

−40

+125

−40

+125

Unit

µV

µV

µV/°C

µV/V

dB

dB

V

kΩ

kΩ

kHz

V/µs

µs

dB

%

ppm/°C

V

mA

pF

μV p-p

nV/√Hz

μA

V

°C

1 Includes input bias and offset current errors, RTO (referred to output).

2 The input voltage range may also be limited by absolute maximum input voltage or by the output swing. See the Input Voltage Range section in the Theory of Operation

section for details.

3 Internal resistors are trimmed to be ratio matched and have ±20% absolute accuracy.

4 Output voltage swing varies with supply voltage and temperature. See Figure 18 through Figure 21 for details.

5 Includes amplifier voltage and current noise, as well as noise from internal resistors.

6 Supply current varies with supply voltage and temperature. See Figure 23 and Figure 24 for details.

Rev. C | Page 4 of 20

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