Datasheet

LTC6602
3
6602fc
ELECTRICAL CHARACTERISTICS
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V+
A
= V+
D
= V+
IN
= 3V, V
ICM
= V
OCM
= 1.5V, Gain = 0dB, lowpass cutoff =
300kHz, highpass cutoff = 45kHz, internal clocking with R
BIAS
= 54.9k unless otherwise noted.
PARAMETER CONDITIONS MIN TYP MAX UNITS
Filter Phase
Either Channel
External Clock = 90MHz, V
IN
= 3.6V
P-P
, Highpass Filter Cutoff = 45kHz,
Lowpass Filter Cutoff = 300kHz
f
IN
= 50kHz
f
IN
= 250kHz
l
l
125
–134
130
–130
134
–126
deg
deg
Matching of Filter Phase External Clock = 90MHz, V
IN
= 3.6V
P-P
, Highpass Filter Cutoff = 45kHz,
Lowpass Filter Cutoff = 300kHz
f
IN
= 50kHz
f
IN
= 250kHz
l
l
±2
±1.5
deg
deg
Filter Gain Either Channel
Gain = 0dB
External Clock = 90MHz, Highpass Filter Cutoff = 15kHz,
Lowpass Filter Cutoff = 150kHz, V
IN
= 3.6V
P-P
f
IN
= 7.5kHz
f
IN
= 15kHz
f
IN
= 50kHz
f
IN
= 150kHz
f
IN
= 450kHz
l
l
l
l
l
–1.6
0.4
–2.3
–32
–1.2
0.7
–1.9
–44
–30
–0.8
0.9
–1.3
–43
dB
dB
dB
dB
dB
Matching of Filter Gain External Clock = 90MHz, V
IN
= 3.6V
P-P
, Highpass Filter Cutoff = 15kHz,
Lowpass Filter Cutoff = 150kHz
f
IN
= 15kHz
f
IN
= 50kHz
f
IN
= 150kHz
l
l
l
±0.2
±0.2
±0.2
dB
dB
dB
Filter Phase Either
Channel
External Clock = 90MHz, V
IN
= 3.6V
P-P
, Highpass Filter Cutoff = 15kHz,
Lowpass Filter Cutoff = 150kHz
f
IN
= 16.5kHz
f
IN
= 125kHz
l
l
137
–143
142
–138
146
–134
deg
deg
Matching of Filter Phase External Clock = 90MHz, V
IN
= 3.6V
P-P
, Highpass Filter Cutoff = 15kHz,
Lowpass Filter Cutoff = 150kHz
f
IN
= 16.5kHz
f
IN
= 125kHz
l
l
±2
±1
deg
deg
Filter Gain Either Channel
Gain = 0dB
External Clock = 90MHz, Highpass Filter Cutoff = 90kHz,
Lowpass Filter Cutoff = 900kHz, V
IN
= 3.6V
P-P
f
IN
= 45kHz
f
IN
= 90kHz
f
IN
= 300kHz
f
IN
= 900kHz
f
IN
= 2700kHz
l
l
l
l
l
–1.8
–0.1
–2.1
–29
–1.2
0.6
–1.1
–45
–27
–0.7
1.2
–0.5
–44
dB
dB
dB
dB
dB
Matching of Filter Gain External Clock = 90MHz, Highpass Filter Cutoff = 90kHz,
Lowpass Filter Cutoff = 900kHz, V
IN
= 3.6V
P-P
f
IN
= 90kHz
f
IN
= 300kHz
f
IN
= 900kHz
l
l
l
±0.3
±0.6
±0.4
dB
dB
dB
Filter Phase Either Chanel External Clock = 90MHz, V
IN
= 3.6V
P-P
, Highpass Filter Cutoff = 90kHz,
Lowpass Filter Cutoff = 900kHz
f
IN
= 100kHz
f
IN
= 750kHz
l
l
136
–136
141
–131
145
–127
deg
deg
Matching of Filter Phase External Clock = 90MHz, V
IN
= 3.6V
P-P
, Highpass Filter Cutoff = 90kHz,
Lowpass Filter Cutoff = 900kHz
f
IN
= 100kHz
f
IN
= 750kHz
l
l
±2
±1.5
deg
deg
Filter Cutoff Accuracy
when Self Clocked
CLKCNTL = 3V (Note 4)
R
BIAS
= 200k, Output Clock = 24.705MHz
R
BIAS
= 54.9k, Output Clock = 90MHz
l
l
±3
±3
%
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