Datasheet

LTC6602
9
6602fc
TYPICAL PERFORMANCE CHARACTERISTICS
Output Impedance vs Frequency Supply Current vs Supply Voltage Supply Current vs Temperature
Clock Output Operating at 90MHz R
BIAS
Pin Voltage vs I
RBIAS
Input Referred Noise Density
Input Referred Noise Density Input Referred Noise Density
FREQUENCY (Hz)
OUTPUT IMPEDANCE (Ω)
6602 G19
100
10
1
0.1
1k 1M 10M100k10k
T
A
= 25°C
V
S
= 3V
R
BIAS
= 54.9k
900kHz LPF
45kHz-300kHz BPF
90kHz-900kHz BPF
15kHz-150kHz BPF
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
6602 G20
110
105
100
95
90
2.7 2.8 3.5 3.63.43.33.23.13.02.9
CLKCNTL PIN FLOATING
R
BIAS
= 54.9k
45kHz-300kHz BPF
GAIN = 0dB
85°C
25°C
–40°C
TEMPERATURE (°C)
SUPPLY CURRENT (mA)
6602 G21
120
100
80
60
40
20
0
–40–30–20 100–10 20 80 9060 70504030
V
S
= 3V
CLKCNTL PIN FLOATING
R
BIAS
= 54.9k
GAIN = 0dB
15kHz-150kHz BPF
45kHz-300kHz BPF
90kHz-900kHz BPF
6602 G22
1V/DIV
0V
2.5ns/DIV
I
RBIAS
(µA)
R
BIAS
PIN VOLTAGE (V)
6602 G23
1.25
1.20
1.15
1.10
0 5 20 251510
T
A
= 25°C
V
S
= 3V
FREQUENCY (Hz)
VOLTAGE NOISE DENSITY (nV/√Hz)
6602 G24
1000
100
10
1
1k 1M100k10k
T
A
= 25°C, V
S
= 3V, EXTERNAL CLOCK
R
BIAS
= 54.9k, 45kHz-300kHz BPF
INTEGRATED NOISE BW = 1.57MHz
GAIN = 0dB
INTEGRATED
NOISE = 186.5µV
RMS
GAIN = 30dB
INTEGRATED
NOISE = 7.5µV
RMS
GAIN = 24dB
INTEGRATED
NOISE = 12.6µV
RMS
GAIN = 12dB
INTEGRATED NOISE
= 47.1µV
RMS
FREQUENCY (Hz)
VOLTAGE NOISE DENSITY (nV/√Hz)
6602 G25
1000
100
10
1
1k 1M100k10k
T
A
= 25°C, V
S
= 3V, EXTERNAL CLOCK
R
BIAS
= 54.9k, 15kHz-150kHz BPF
INTERNAL NOISE BW = 400kHz
GAIN = 30dB INTEGRATED NOISE = 7.2µV
RMS
GAIN = 24dB
INTEGRATED NOISE = 12.5µV
RMS
GAIN = 0dB INTEGRATED NOISE = 189µV
RMS
GAIN = 12dB
INTEGRATED
NOISE= 47.8µV
RMS
FREQUENCY (Hz)
VOLTAGE NOISE DENSITY (nV/√Hz)
6602 G26
1000
100
10
1
10k 10M1M100k
T
A
= 25°C, V
S
= 3V, EXTERNAL CLOCK
R
BIAS
= 54.9k, 90kHz-900kHz BPF
INTERNAL NOISE BW = 2.5MHz
GAIN = 24dB
INTEGRATED
NOISE = 20.7µV
RMS
GAIN = 30dB
INTEGRATED NOISE = 17.5µV
RMS
GAIN = 0dB INTEGRATED NOISE = 304.2µV
RMS
GAIN = 12dB INTEGRATED NOISE
= 77.6µV
RMS