TLE2682

HIGHSPEED JFET INPUT DUAL OPERATIONAL AMPLIFIER

WITH SWITCHEDCAPACITOR VOLTAGE CONVERTER

SLOS127 − JUNE 1993

8

POST OFFICE BOX 655303

POST OFFICE BOX 1443

SWITCHED-CAPACITOR SECTION

electrical characteristics over recommended supply voltage range (unless otherwise noted)

PARAMETER

TEST CONDITIONS†

TA‡

MIN

TYP

MAX

UNIT

Regulated output voltage,

VCC = 5 V, TJ =25°C, RL(VOUT) = 500 Ω, See Note 6

25

°C

− 3.75

−4

− 4.25

V

Regulated output voltage,

VOUT

VCC = 7 V, TJ =25°C, RL(VOUT) = 500 Ω, See Note 7

25

°C

− 4.7

−5

− 5.2

V

Input regulation

VCC = 5 V to 15 V,

RL(VOUT) = 500 Ω, See Note 6

Full range

7

27

mV

Input regulation

VCC = 7 V to 12 V,

RL(VOUT) = 500 Ω, See Note 7

Full range

5

25

mV

Output regulation

VCC = 5 V,

RL(VOUT) = 100 Ω to 500 Ω

Full range

20

140

mV

Output regulation

VCC = 7 V,

RL(VOUT) = 100 Ω to 500 Ω

Full range

20

70

mV

Voltage loss, VCC − VOUT 

VCC = 7 V,

IO = 10 mA

Full range

0.35

0.55

V

Voltage loss, VCC − VOUT 

(see Note 8)

VCC = 7 V,

CIN = COUT = 100-µF tantalum

IO = 100 mA

Full range

1.1

1.8

V

Output resistance

∆IO = 10 mA to 100 mA,

See Note 9

Full range

10

15

Ω

Oscillator frequency

Full range

15

25

35

kHz

VCC = 5 V,

Iref = 50 A

25

°C

2.35

2.5

2.65

Reference voltage, Vref

VCC = 5 V,

Iref = 50 µA

Full range

2.25

2.75

V

Reference voltage, Vref

VCC = 7 V,

Iref = 60 A

25

°C

2.35

2.5

2.65

V

VCC = 7 V,

Iref = 60 µA

Full range

2.25

2.75

Maximum switch current

25

°C

300

mA

† Data applies for the switched-capacitor block only. Amplifier block is not connected.

‡ Full range is − 40°C to 85°C.

NOTES:

6. Regulation specifications are for the switched-capacitor section connected as a positive to negative converter / regulator

(see Figure 105) with R1 = 23.7 k

Ω, R2 = 102.2 kΩ, CIN = 10 µF (tantalum), COUT = 100 µF (tantalum), and C1 = 0.002 µF.

7. Regulation specifications are for the switched-capacitor section connected as a positive to negative converter/regulator

(see Figure 105) with R1 = 20 k

Ω, R2 = 102.5 kΩ, CIN = 10 µF (tantalum), COUT = 100 µF (tantalum) and C1 = 0.002 µF.

8. For voltage-loss tests, the switched-capacitor section is connected as a voltage inverter, with VREF , OSC, and FB/SD (pins 6, 7,

and 9) unconnected. The voltage losses may be higher in other configurations.

9. Output resistance is defined as the slope of the curve (

∆VO vs ∆IO) for output currents of 10 mA to 100 mA. This represents the linear

portion of the curve. The incremental slope of the curve are higher at currents less than 10 mA due to the characteristics of the switch

transistors.

AMPLIFIER AND SWITCHED-CAPACITOR SECTIONS CONNECTED

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

RL = 10 kΩ

4.1

VOM + Maximum positive peak output voltage swing

RL = 600 Ω

3.6

V

VOM + Maximum positive peak output voltage swing

RL = 100 Ω

2.3

V

RL = 10 kΩ

− 3.9

VOM − Maximum negative peak output voltage swing RL = 600 Ω

− 3.3

V

VOM − Maximum negative peak output voltage swing

RL = 100 Ω

− 1.9

V

VID = − 100 mV,

RL = 10 kΩ

0.55

Voltage loss, VIN − |VOUT | (see Note 8)

VID = − 100 mV,

CIN = COUT = 100-µF tantalum

RL = 600 Ω

0.65

V

Voltage loss, VIN − |VOUT | (see Note 8)

CIN = COUT = 100-µF tantalum

RL = 100 Ω

0.9

V

NOTE 8: For voltage-loss tests, the switched-capacitor section is connected as a voltage inverter, with VREF , OSC, and FB/SD (pins 6, 7,

and 9) unconnected. The voltage losses may be higher in other configurations.