ML2008IQ View Datasheet(PDF) - Micro Linear Corporation

Part Name

Description

MFG CO.

ML2008IQ

µP Compatible Logarithmic Gain/Attenuator

Micro Linear Corporation 

1 2 3 4 5 6 7 8 9 10

TIMING DIAGRAM

D0-D8

WR

A0

CS

ML2008, ML2009

DATA

VALID

tDS

tDH

tPW

tAS

tAH

tCSS

tCSH

TYPICAL PERFORMANCE CURVES

0

–0.5 ATTEN: VIN = 0.5VRMS

–.10 GAIN: VIN = 0.5VRMS/GAIN SETTING

GAIN = +24dB

–.15

GAIN = +18dB

–.20

GAIN = +12dB

–.25

GAIN = +0, –24dB

–.30

–.35

–.40

–.45

–.50

100

1K

10K

FREQUENCY (Hz)

100K

Figure 2. Amplitude vs Frequency

(VIN/VOUT = 0.5VRMS)

2

1.8

1.6

1.4

1.2

1

0.8

0.6

0.4

0.2

0

10

GAIN = +24dB

GAIN = +12dB

GAIN = –24dB

100

1K

10K

FREQUENCY (Hz)

Figure 4. Output Noise Voltage vs Frequency

0

–0.5 ATTEN: VIN = 2VRMS

–.10 GAIN: VIN = 2VRMS/GAIN SETTING

GAIN = +24dB

–.15

GAIN = 0dB

–.20

GAIN = –24dB

–.25

–.30

–.35

–.40

–.45

–.50

100

1K

10K

FREQUENCY (Hz)

Figure 3. Amplitude vs Frequency

(VIN/VOUT = 2VRMS)

100K

–2

VIN = 0

–3

–4

–5

–6

–7

–8

–9

–10

–24 –18 –12 –6

0

6

12

18

24

GAIN SETTING (dB)

Figure 5. CMSG Output Noise vs Gain Setting

5

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