6.6 Typical Characteristics (continued)

at TA = 25°C, VS = VSOUT = ±15V, VICM = VREF = 0V, RL = 10kΩ connected to ground, and G =1V/V (unless otherwise noted)

Frequency (Hz)

20

40

60

80

100

120

140

100m

1

10

100

1k

10k

100k

1M

G = 0.125

G = 0.25

G = 0.5

G = 1

G = 2

G = 4

G = 8

G = 16

Typical unit shown

.

Figure 6-19. CMRR vs Frequency (RTI)

Frequency (Hz)

0

20

40

60

80

100

120

1

10

100

1k

10k

100k

1M

No Source Imbalance

1k

Source Imbalance

10k

Source Imbalance

Typical unit shown

G = 1V/V

Figure 6-20. CMRR vs Frequency (Unbalanced)

Typical unit shown

.

Figure 6-21. CMRR vs Temperature

Input Bias Current (nA)

0

5

10

15

20

-1

-0.8

-0.6

-0.4

-0.2

0

0.2

0.4

0.6

0.8

1

N = 1767

Mean = –0.35nA

Std. dev. = 0.181nA

G = 1V/V

Figure 6-22. Distribution of Input Bias Current

Input Bias Current (nA)

0

10

20

30

40

50

-1

-0.75

-0.5

-0.25

0

0.25

0.5

0.75

1

N = 58

Mean = –0.265nA

Std. dev. = 0.11nA

TA = 85°C

G = 1V/V

Figure 6-23. Distribution of Input Bias Current

N = 58

1 wafer lot

G = 1V/V

Figure 6-24. Input Bias Current vs Temperature

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PGA849

SBOSAG3A – MARCH 2024 – REVISED DECEMBER 2024

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