Datasheet

®
10
PCM3501
TYPICAL PERFORMANCE CURVES (Cont.)
T
A
= +25°C, V
CC
= V
DD
= +3.3V, f
S
= 8kHz, and f
SIGNAL
= 1kHz, unless otherwise specified.
ADC SECTION
ADC CHARACTERISTICS vs TEMPERATURE, SUPPLY AND SAMPLING FREQUENCY
THD+N at –0.5dB (dB)
TOTAL HARMONIC DISTORTION + NOISE
vs TEMPERATURE
(T
A
= –25°C to +85°C)
Temperature (°C)
–84
–86
–88
–90
–92
–25 0 25 50 75 100–50
THD+N at –0.5dB (dB)
TOTAL HARMONIC DISTORTION + NOISE
vs SUPPLY VOLTAGE
(V
CC
= V
DD
= +2.7V to +3.6V)
Supply Voltage (V)
–84
–86
–88
–90
–92
2.7 3.0 3.3 3.6 3.92.4
Dynamic Range and SNR (dB)
DYNAMIC RANGE AND SIGNAL-TO-NOISE RATIO
vs SUPPLY VOLTAGE
(V
CC
= V
DD
= +2.7V to +3.6V)
Supply Voltage (V)
92
90
88
86
84
2.7 3.0 3.3 3.6 3.92.4
SNR
Dynamic Range
THD+N at –0.5dB (dB)
TOTAL HARMONIC DISTORTION + NOISE
vs SAMPLING FREQUENCY
(f
S
= 8kHz to 26kHz)
f
S
(kHz)
–84
–86
–88
–90
–92
81624320
BW = 3.4kHz
Dynamic Range and SNR (dB)
DYNAMIC RANGE AND SIGNAL-TO-NOISE RATIO
vs SAMPLING FREQUENCY
(f
S
= 8kHz to 26kHz)
f
S
(kHz)
96
94
92
90
88
81624320
BW = 3.4kHz
Dynamic Range
SNR
Dynamic Range and SNR (dB)
DYNAMIC RANGE AND SIGNAL-TO-NOISE RATIO
vs TEMPERATURE
(T
A
= –25°C to +85°C)
Temperature (°C)
92
90
88
86
84
–25 0 25 50 75 100–50
Dynamic Range
SNR