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)

40

50

60

70

80

90

100

10m

100m

1

10

100

1k

10k

100k

1M

1 k

Source Imbalance

No Source Imbalance

Typical unit shown

G = 1V/V

Figure 6-19. CMRR vs Frequency (Unbalanced)

Temperature ( C)

-40

-20

0

20

40

60

80

100

120

0

20

40

Typical Unit shown

G = 0.5

G = 1

G = 2

G = 5

G = 10

G = 20

G = 50

G = 100

Typical unit shown

.

Figure 6-20. CMRR vs Temperature

Input Bias Current (nA)

0

10

20

30

40

-2

-1.5

-1

-0.5

0

0.5

1

1.5

2

N = 700

Mean = –0.353nA

Std. dev. = 0.238nA

G = 1V/V

Figure 6-21. Distribution of Input Bias Current

Input Bias Current (nA)

0

10

20

30

40

-2

-1.6

-1.2

-0.8

-0.4

0

0.4

0.8

1.2

1.6

2

N = 36

Mean = –0.325nA

Std. dev. = 0.225nA

G = 1V/V

TA = 85°C

Figure 6-22. Distribution of Input Bias Current

Temperature ( C)

-40

-20

0

20

40

60

80

100

120

140

-2

-1.6

-1.2

-0.8

-0.4

0

0.4

0.8

1.2

1.6

2

Mean

+3

-3

N = 58

1 wafer lot

G = 1V/V

Figure 6-23. Input Bias Current vs Temperature

Input Common-Mode Voltage (V)

-14 -12 -10 -8

-6

-4

-2

0

2

4

6

8

10 12 14

-1

-0.8

-0.6

-0.4

-0.2

0

0.2

0.4

-40 C

25 C

125 C

Typical unit shown

G = 1V/V

Figure 6-24. Input Bias Current vs VICM

PGA848

SBOSAN4A – AUGUST 2025 – REVISED DECEMBER 2025

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