5.6 Typical Characteristics (continued)

at TA = 25°C, VS = 5V (±2.5V) to 10V (±5V), OUTA RL = 10kΩ connected to VS / 2, OUTB RL = 2kΩ connected to VS / 2,

VCM = VREFA = VS / 2, VREFGND = VS–, II1 = 1µA, and II2 = 1µA (unless otherwise noted)

I1 Input Current (µA)

10

100

1000

10000

1.12

1.125

1.13

1.135

1.14

1.145

1.15

1.155

TA = –40°C

TA = 25°C

TA = 85°C

TA = 125°C

VS = 5V (±2.5V), VIBIAS = (VS+) – 1V, mean of n = 32 samples

Figure 5-43. IBIAS Ratio vs I1 Current

I1 Input Current (µA)

10

100

1000

10000

1.12

1.13

1.14

1.15

1.16

1.17

1.18

TA = –40°C

TA = 25°C

TA = 85°C

TA = 125°C

VS = 10V (±5V), VIBIAS = (VS+) – 1V, mean of n = 32 samples

Figure 5-44. IBIAS Ratio vs I1 Current

OUTB Current (mA)

0

5

10

15

20

25

30

0

0.5

1

1.5

2

2.5

TA = –40 C

TA = 25 C

TA = 85 C

TA = 125 C

VS = 5V (±2.5V), sourcing

Figure 5-45. Auxiliary-Amplifier Output Voltage vs

Output Current

OUTB Current (mA)

0

5

10

15

20

25

30

-2.5

-2

-1.5

-1

-0.5

0

TA = –40 C

TA = 25 C

TA = 85 C

TA = 125 C

VS = 5V (±2.5V), sinking

Figure 5-46. Auxiliary-Amplifier Output Voltage vs

Output Current

OUTB Current (mA)

0

5

10

15

20

25

30

0

1

2

3

4

5

TA = –40 C

TA = 25 C

TA = 85 C

TA = 125 C

VS = 10V (±5V), sourcing

Figure 5-47. Auxiliary-Amplifier Output Voltage vs

Output Current

OUTB Current (mA)

0

5

10

15

20

25

30

-5

-4

-3

-2

-1

0

TA = –40 C

TA = 25 C

TA = 85 C

TA = 125 C

VS = 10V (±5V), sinking

Figure 5-48. Auxiliary-Amplifier Output Voltage vs

Output Current

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SBOSA28A – AUGUST 2023 – REVISED DECEMBER 2024

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