参数资料
型号: TSC2300IPAGRG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP64
封装: GREEN, PLASTIC, TQFP-64
文件页数: 45/83页
文件大小: 1268K
代理商: TSC2300IPAGRG4
www.ti.com
TSC2300
SLAS372 — NOVEMBER 2002
ELECTRICAL CHARACTERISTICS (continued)
At 25
°C, HPV
DD = AVDD = DVDD = +3.3 V, VREF = External 2.5 V, unless otherwise noted.
TSC2300
PARAMETER
CONDITIONS
UNITS
MIN
TYP
MAX
DAC playback through headphone
HEADPHONE DRIVER
driver
Output power per channel
R=32
14
mW
R=16
27
mW
R=16
V
DD=3.6V
32
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
8.8
Bits
VOLTAGE REFERENCE
Voltage range
Internal 2.5 V
2.34
2.49
2.54
V
ppm/
°
Reference drift
50
C
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
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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