Cirrus Logic CS53L30 - Manual (Page 9)

DS992F1 9
CS53L30
3 Characteristics and Specifications
3 Characteristics and Specifications
Section 8 provides additional details about parameter definitions.
Table 3-1. Recommended Operating Conditions
Test conditions: GNDA = GNDD = 0 V; all voltages are with respect to ground.
Parameters 1
1.Device functional operation is guaranteed within these limits; operation outside them is not guaranteed or implied and may reduce device reliability.
Symbol Min Max Unit
DC power supply Analog/Digital VA 1.71 1.89 V
VP_MIN = 1
VP_MIN = 0
VP 3.2
3.0 5.25
5.25 V
V
External voltage applied to pin 2
2.The maximum over/under voltage is limited by the input current.
VA domain pins V
IN-AI
–0.3 VA + 0.3 V
VP domain pins V
IN-PI
–0.3 VP + 0.3 V
Ambient temperature Commercial T
A
–10 +70
C
Table 3-2. Absolute Maximum Ratings
Test conditions: GNDA = GNDD = 0 V; all voltages are with respect to ground.
Parameters Symbol Min Max Units
DC power supply Analog/digital
Mic bias
VA
VP
–0.3
–0.3 2.22
5.6
V
V
Input current 1
1.Any pin except supplies. Transient currents of up to ±100 mA on the capture-path pins do not cause SCR latch-up.
I
in
— ±10 mA
Ambient operating temperature (power applied) T
A
–50 +115 °C
Storage temperature (no power applied) T
stg
–65 +150 °C
CAUTION: Operation at or beyond these limits may permanently damage the device.
Table 3-3. Combined ADC On-Chip Analog, Digital Filter, SRC, and DMIC Characteristics
Test conditions (unless otherwise specified): T
A
= +25°C; MCLK = 12.288 MHz; characteristics do not include the effects of external AC-coupling
capacitors. Path is INx to SDOUT. Analog and digital gains are all set to 0 dB; HPF disabled.
Parameters 1
1.Specifications are normalized to Fs and can be denormalized by multiplying by Fs.
Min Typ Max Units
Fs
int
= Fs
ext
=
Fs = 48 kHz [ 2 ]
2.See Section 5.6 for information about combined filter response when Fs
int
is not equal to Fs
ext
.
ADC notch filter on
(ADCx_NOTCH_
DIS = 0) Passband –0.05-dB corner
–3.0-dB corner
—
— 0.391
0.410 —
— Fs
Fs
Passband ripple (0 Hz to 0.394 Fs; normalized to 0 Hz) –0.13 — 0.14 dB
Stopband @ –70 dB — 0.492 — Fs
Total group delay — 15.3/Fs
int
+ 6.5/Fs
ext
— s
ADC notch filter off
(ADCx_NOTCH_
DIS = 1) Passband –0.05-dB corner
–3.0-dB corner
—
— 0.445
0.470 —
— Fs
Fs
Passband ripple (0 Hz to 0.447 Fs; normalized to 0 Hz) –0.09 — 0.14 dB
Stopband @ –70 dB — 0.639 — Fs
Total group delay — 15.5/Fs
int
+ 6.6/Fs
ext
— s
Table 3-4. ADC High-Pass Filter (HPF) Characteristics
Test conditions (unless specified otherwise): Analog and digital gains are all set to 0 dB; ADCx_HPF_CF = 00.
Parameters 1
1.Response scales with Fs
int
. Specifications are normalized to Fs
int
and are denormalized by multiplying by Fs
int
.
Min Typ Max Units
Passband 2
2.Characteristics do not include effects of the analog HPF filter formed by the external AC-coupling capacitors and the input impedance.
–0.05-dB corner
–3.0-dB corner
—
— 3.57x10 –4
3.88x10 –5
—
— Fs
int
Fs
int
Passband ripple (0.417x10 –3 Fs to 0.417 Fs; normalized to 0.417 Fs) — — 0.01 dB
Phase deviation @ 0.453 x 10 –3 Fs — 4.896 — °
Filter settling time 3
3.Required time for the magnitude of the DC component present at the output of the HPF to reach 5% of the applied DC signal.
ADCx_HPF_CF = 00 (3.88 x 10 –5 x Fs
int
mode)
ADCx_HPF_CF = 01 (2.5 x 10 –3 x Fs
int
mode)
ADCx_HPF_CF = 10 (4.9 x 10 –3 x Fs
int
mode)
ADCx_HPF_CF = 11 (9.7 x 10 –3 x Fs
int
mode)
—
—
—
— 12260/Fs
int
200/Fs
int
100/Fs
int
50/Fs
int
—
—
—
— s
s
s
s