LTC6603
8
6603fa
TYPICAL PERFORMANCE CHARACTERISTICS
Common Mode Rejection Common Mode Rejection
OIP3 vs Average Signal
Frequency
OIP3 vs Average Signal
Frequency
OIP3 vs Average Signal
Frequency
Common Mode Rejection Ratio Common Mode Rejection Ratio
Common Mode Rejection
FREQUENCY (Hz)
CMRR (dB)
6603 G16
110
100
90
80
70
60
50
30
40
20
10k 1M 10M100k
V
S
= 3V, R
BIAS
= 30.9k
LPF1 = 0, LPF0 = 1,
BW = 625kHz, T
A
= 25°C
GAIN = 0dB
GAIN = 24dB
GAIN = 12dB
GAIN = 6dB
FREQUENCY (Hz)
CMRR (dB)
6603 G17
120
110
100
90
80
70
60
40
50
30
1k 100k 1M10k
V
S
= 3V, R
BIAS
= 30.9k
LPF1 = LPF0 = 0, BW = 156.25kHz,
T
A
= 25°C
GAIN = 0dB
GAIN = 24dB
GAIN = 12dB
GAIN = 6dB
FREQUENCY (Hz)
COMMON MODE REJECTION (dB)
6603 G18
100
90
80
70
60
50
40
30
10k 1M 10M100k
V
S
= 3V, R
BIAS
= 30.9k
LPF1 = 1, BW = 2.5MHz,
T
A
= 25°C
GAIN = 0dB
GAIN = 24dB
CMR = ΔV
IN-CM
/ΔV
OUT-DIFF
GAIN = 12dB
GAIN = 6dB
FREQUENCY (Hz)
COMMON MODE REJECTION (dB)
6603 G19
110
100
90
80
70
60
50
10k 1M 10M100k
V
S
= 3V, R
BIAS
= 30.9k
LPF1 = 0, LPF1 = 1, BW = 625kHz,
T
A
= 25°C
GAIN = 0dB
GAIN = 24dB
CMR = ΔV
IN-CM
/ΔV
OUT-DIFF
GAIN = 12dB
GAIN = 6dB
FREQUENCY (Hz)
COMMON MODE REJECTION (dB)
6603 G20
100
90
80
70
60
50
1k 100k 1M10k
CMR = ΔV
IN-CM
/ΔV
OUT-DIFF
V
S
= 3V, R
BIAS
= 30.9k
LPF1 = LPF0 = 0, BW = 156.25kHz,
T
A
= 25°C
GAIN = 0dB
GAIN = 24dB
GAIN = 12dB
GAIN = 6dB
AVERAGE FREQUENCY OF TWO TONES (kHz)
OIP3 (dBm)
6603 G21
41
40
39
38
37
36
35
34
100 2500500 900 1300 1700 2100
V
S
= 3V, R
BIAS
= 30.9k, T
A
= 25°C
LPF1 = 0, LPF0 = 1, BW = 625kHz
V
OUT
= 6dBm PER TONE FOR 2-TONE TEST
Δf = 10kHz
GAIN = 0dB
GAIN = 24dB
GAIN = 12dB
GAIN = 6dB
AVERAGE FREQUENCY OF TWO TONES (kHz)
OIP3 (dBm)
6603 G22
46
44
42
40
38
36
0 500 600100 200 300 400
V
S
= 3V, R
BIAS
= 30.9k, T
A
= 25°C
LPF1 = 0, LPF0 = 1, BW = 625kHz
V
OUT
= 6dBm PER TONE FOR 2-TONE TEST
Δf = 10kHz
GAIN = 0dB
GAIN = 24dB
GAIN = 12dB
GAIN = 6dB
AVERAGE FREQUENCY OF TWO TONES (kHz)
OIP3 (dBm)
6603 G23
43
42
41
40
39
38
36
37
35
20 140 1606040 80 100 120
V
S
= 3V, R
BIAS
= 30.9k, T
A
= 25°C
LPF1 = 0, LPF0 = 1, BW = 156.25kHz
V
OUT
= 6dBm PER TONE FOR 2-TONE TEST
Δf = 10kHz
GAIN = 0dB
GAIN = 24dB
GAIN = 12dB
GAIN = 6dB
Common Mode Rejection Ratio
FREQUENCY (Hz)
CMRR (dB)
6603 G15
100
90
80
70
60
50
30
40
20
10k 1M 10M100k
V
S
= 3V, R
BIAS
= 30.9k
LPF1 = 1, BW = 2.5MHz
T
A
= 25°C
GAIN = 0dB
GAIN = 6dB
GAIN = 24dB
GAIN = 12dB