LT1635CS8 datasheet(4/12 Pages) LINER

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LT1635

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VREF

Feedback Sense Voltage

Voltage at Pin 1 with Pin 1 Connected

189

200

211

to Pin 8 (Note 5)

TC VREF

Reference Drift

(Note 3)

120

ppm/

°C

Feedback Current

Current into Pin 8

3.5

5.0

Line Regulation

≤ IREF ≤ 1mA, VREF = 200mV

VS = ±0.6V to ±5V

ppm /V

VS = ±0.65V to ±5V (Note 2)

ppm/ V

Load Regulation

IREF = 0 to 1mA

150

300

ppm/mA

200

500

ppm/mA

Reference Amplifier Gain

VO = 0.2V to 8.5V

V/mV

VS = 10V, 0V

V/mV

ELECTRICAL CHARACTERISTICS

±5V OP AMP: V

S = ± 5V; VCM = VOUT = 0V, TA = 25°C, unless otherwise noted. (Note 1)

±5V REFERENCE: V

S = ± 5V, TA = 25°C, unless otherwise noted. (Note 1)

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

AVOL

Large-Signal Voltage Gain

VO = – 4.5V to 4.5V, No Load

175

300

V/mV

VO = – 4.5V to 4.5V, RL = 1.1k

100

V/mV

VO = – 4.5V to 4.5V, RL = 500Ω

V/mV

Output Voltage Swing

VS = ±5V, No Load

±4.975 ±4.985

VS = ±5V, ISINK = 5mA

±4.65

±4.75

VS = ±5V, ISINK = 10mA

±4.5

±4.6

ISC

Short-Circuit Current

VS = ±5V

±25

±40

PSRR

Power Supply Rejection Ratio

VS = ±1V to ±6V, VCM = VO = 0V

100

Supply Current

135

215

µA

160

280

µA

GBW

Gain Bandwidth Product

f = 1kHz

175

kHz

Slew Rate

AV = –1, RL = ∞

0.05

µs

The q denotes specifications that apply over the full operating temperature

range.

Note 1: The LT1635C is guaranteed to operate over the commercial

temperature range of 0

°C to 70°C. It is designed, characterized and

expected to meet these extended temperature limits, but is not tested at

–40

°C and 85°C. The LT1635I is guaranteed to meet the industrial

temperature range.

Note 2: The LT1635 op amp operates on a 1.2V supply over the full

industrial temperature range with an input common mode of 0V to 0.2V.

The minimum supply voltage for the reference to operate properly over

this temperature range is 1.3V.

Note 3: This parameter is not 100% tested. Temperature coefficient is

measured by dividing the change in output voltage by specified

temperature range.

Note 4: Shunt gain defines the operation in floating applications when the

output is connected to the V + terminal and input common mode is

referred to V –.

Note 5: If part is stored outside of the specified temperature range, the

output may shift due to hysteresis.

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