AD8212YRMZ-R7 datasheet(3/16 Pages) AD

3 / 16 page

AD8212

Rev. 0 | Page 3 of 16

SPECIFICATIONS

VS = 15 V, TOPR = −20°C to +125°C, TA = 25°C, unless otherwise noted.

Table 1.

Parameter

Conditions/Comments

Min

Typ

Max

Unit

SUPPLY VOLTAGE (V+)

No external pass transistor

With external PNP transistor1

>500

SUPPLY CURRENT2

(ISUPPLY = IOUT + IBIAS)

V+ = 7 V to 65 V

220

720

μA

High voltage operation, using external PNP

200

1500

μA

VOLTAGE OFFSET

Offset Voltage (RTI)

±2

Over Temperature (RTI)

TOPR

±3

Offset Drift

TOPR

±10

μV/°C

INPUT

Input Impedance

Differential

kΩ

Common Mode (VCM)

V+ = 7 V to 65 V

MΩ

Voltage Range

Differential

Maximum voltage between V+ and VSENSE

500

VSENSE (Pin 8) Current3

V+ = 7 V to 65 V, TOPR

100

200

OUTPUT

Transconductance

1000

μA/V

Current Range (IOUT)

7 V ≤ V+ ≤ 65, 0 to 500 mV differential input

500

μA

Gain Error for TOPR

7 V ≤ V+ ≤ 65, with respect to 500 μA full scale

±1

Impedance

MΩ

Voltage Range

V+ − 5

REGULATOR

Nominal Value

7 V ≤ V+ ≤ 65 V

4.80

5.20

PSRR

7 V ≤ V+ ≤ 65 V

Bias Current (IBIAS)

TOPR, 7 V ≤ V+ ≤ 65 V

185

200

μA

TOPR, high voltage operation

200

1000

μA

DYNAMIC RESPONSE

Small Signal −3 dB Bandwidth

Gain = 10

1000

kHz

Gain = 20

500

kHz

Gain = 50

100

kHz

Settling Time

Within 0.1% of the true output, gain = 20

μs

ALPHA PIN INPUT CURRENT

μA

NOISE

0.1 Hz to 10 Hz, RTI

1.1

μV p-p

Spectral Density, 1 kHz RTI

nV/

√Hz

TEMPERATURE RANGE

For Specified Performance (TOPR)

−20

+125

°C

1 Range dependent on the VCE breakdown of the transistor.

2 The AD8212 supply current in normal voltage operation (V+ = 7 V to 65 V) is the bias current (IBIAS) added to output current (IOUT). Output current varies upon input

differential voltage and can range from 0 μA to 500 μA. IBIAS in this mode of operation is typically 185 μA and maximum 200 μA. For high voltage operation mode, refer

to the High Voltage Operation Using an External PNP Transistor section.

3 The current into VSENSE (Pin 8) of the amplifier increases when operating in high voltage mode. See the High Voltage Operation Using an External PNP Transistor section

for more information.

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