TLE2662 Datasheet, PDF (9/40 Pages) Texas Instruments – DUAL uPOWER JFET-INPUT OPERATIONAL AMPLIFIER WITH SWITCHED-CAPACITOR VOLTAGE CONVERTER

TLE2662
DUAL µPOWER JFET-INPUT OPERATIONAL AMPLIFIER
WITH SWITCHED-CAPACITOR VOLTAGE CONVERTER
SLOS118B – DECEMBER 1992 – REVISED AUGUST 1994
AMPLIFIER AND SWITCHED-CAPACITOR SECTIONS CONNECTED
electrical characteristics, V_CC+ = 5 V, T_A = 25°C (see Figure 4)
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)
VID = – 100 mV,
Both amplifiers
RL = 600 Ω
0.50
V
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.
supply current (no load), T_A = 25°C
PARAMETER
Supply current
Supply current in shutdown
VCC+ = 5 V,
VCC+ = 5 V,
TEST CONDITIONS
SCIN = 5 V, V(FB/SD) = 2.5 V, VO = 0
SCIN = 5 V, V(FB/SD) = 0 V, VO = 0
MIN TYP MAX UNIT
3.4
mA
265
µA
PARAMETER MEASUREMENT INFORMATION
operational amplifier
VCC ₊
–
VO
VI
+
VCC _–
CL
RL
(see Note A)
RS = 20 Ω
2 kΩ
VCC ₊
–
VO
+
VCC _–
RS = 20 Ω
NOTE A: CL includes fixture capacitance.
Figure 1. Slew-Rate Test Circuit
Figure 2. Noise-Voltage Test Circuit
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