– 5 –

CXL1517M/1518M

Notes)

1) Linearity testing

For A channel, set input bias to ABCN – 0.2V first, and then set it to ABCN and ABCN + 0.2V. Then input a

sine wave of 100kHz and 100mVp-p, and compare the three output amplitudes. For B channel and C

channel, set input bias to ABBL + 0.45V first, and then set it to ABBL + 0.25V and ABBL + 0.05V. Then

input a sine wave of 100kHz and 100mVp-p, and compare the three output amplitudes. The maximum

output amplitude for the respective A, B and C channels is taken as Sout max and the minimum output

amplitude as Sout min. The linearity of the respective channels is defined as:

Lin. =

× 200 [%]

2) Calculation of insertion gain difference

As the maximum insertion gain among A, B and C channels is taken as Gmax and the minimum as Gmin,

the insertion gain difference between channels

∆G as:

∆G = | 1 – 10

(

3) Calculation of linearity difference

4) Cross-talk calculation

CRTa

: The cross-talk value of A channel when B and C channels are input

: The output value of A channel when A channel is input

SW3-a, SW4-a, SW5, 6-b

: The output value of A channel when B and C channels are input

(Cross-talk component)

SW3-a, SW4-b, SW5, 6-a

CRTa =

× 100 [%]

Clock Waveform Timing

Sout max – Sout min

Sout max + Sout min

Gmax – Gmin

20

10ns

10%

50%

90%

XDL1

(52.5) ∗

87.5ns

(140) ∗

210ns

10%

50%

90%

10%

50%

90%

10%

50%

90%

XDL2

∗

The value in brackets is for CXL1517M.

(52.5) ∗

87.5ns

10ns

17.5ns

10ns

10ns