TLE2662

DUAL

µPOWER JFET-INPUT OPERATIONAL AMPLIFIER

WITH SWITCHED-CAPACITOR VOLTAGE CONVERTER

SLOS118B – DECEMBER 1992 – REVISED AUGUST 1994

9

POST OFFICE BOX 655303

AMPLIFIER AND SWITCHED-CAPACITOR SECTIONS CONNECTED

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

RL = 10 kΩ

3.7

Maximum positive peak output voltage swing, VOM +

RL = 600 Ω

3.5

V

RL = 100 Ω

3.1

RL = 10 kΩ

– 3.7

Maximum negative peak output voltage swing, VOM – RL = 600 Ω

– 3.0

V

RL = 100 Ω

– 2.2

CIN = COUT = 100-

µF tantalum, RL = 10 kΩ

0.46

Voltage loss, SCIN – | SCOUT | (see Note 9)

CIN

COUT

100

µF tantalum,

VID = – 100 mV,

B h

lifi

RL = 600 Ω

0.50

V

Both amplifiers

RL = 100 Ω

0.9

NOTES:

9. For voltage-loss tests, the switched-capacitor section is connected as a voltage inverter with SCREF, OSC, and FB/SD

unconnected. The voltage losses may be higher in other configurations.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Supply current

VCC+ = 5 V,

SCIN = 5 V,

V(FB/SD) = 2.5 V, VO = 0

3.4

mA

Supply current in shutdown

VCC+ = 5 V,

SCIN = 5 V,

V(FB/SD) = 0 V,

VO = 0

265

µA

PARAMETER MEASUREMENT INFORMATION

operational amplifier

Figure 1. Slew-Rate Test Circuit

+

–

VCC +

VCC –

VI

VO

CL

RL

(see Note A)

NOTE A: CL includes fixture capacitance.

Figure 2. Noise-Voltage Test Circuit

VCC +

VCC –

VO

RS = 20 Ω

2 k

Ω

+

–

RS = 20 Ω