參數(shù)資料
型號: TSC2302IRGZRG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQCC48
封裝: GREEN, PLASTIC, VQFN-48
文件頁數(shù): 45/85頁
文件大小: 1483K
代理商: TSC2302IRGZRG4
www.ti.com
www.ti.com
TSC2302
SLAS394 – JULY 2003
ELECTRICAL CHARACTERISTICS (continued)
At 25
°C, HPV
DD = AVDD = DVDD = +3.3 V, VREF = External 2.5 V, unless otherwise noted.
TSC2302
PARAMETER
CONDITIONS
UNITS
MIN
TYP
MAX
R = 16
V
DD = 3.6V
31
mW
Signal-to-noise ratio, A-weighted
85
96
dB
Total harmonic distortion
R = 32
1-kHz, 0-dB input
-83
-70
dB
R = 16
1-kHz, -3-dB input
-77
dB
D/A CONVERTER
Output current range
Measured with ARNG floating
0.75
1.10
mA
Resolution
8
Bits
VOLTAGE REFERENCE
Voltage range
Internal 2.5 V
2.34
2.49
2.64
V
ppm/
°
Reference drift
50
C
External reference input
1
VDD
V
Current drain
20
A
DIGITAL INPUT / OUTPUT
Internal clock frequency
8.8
MHz
Logic family
CMOS
Logic level: VIH
IIH = 5A
0.7VDD
V
VIL
IIL = 5A
-0.3
0.3VDD
V
0.8*
VOH
IOH = 2 TTL loads
V
DVDD
VOL
IOL = 2 TTL loads
0.2* DVDD
V
POWER SUPPLY REQUIREMENTS
Power supply voltage
DVDD, AVDD, HPVDD
2.7
3.6
V
Quiescent current (1)
Touch screen only
1-kHz SAR sample rate, external Vref
14
A
Touch screen only
20-kHz SAR sample rate, internal Vref
1.7
mA
Stereo playback only
44.1-kHz Playback, VDD = 2.7V
10
mA
Voice record only
Mono 8-kHz record, VDD = 2.7V
5.8
mA
Power down
Audio fully powered down
.05
A
(1)
For more details on power consumption, see the Audio Codec section of the description overview.
5
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