Datasheet

TSC2101
SLAS392D JUNE 2003 REVISED MAY 2005
www.ti.com
8
ELECTRICAL CHARACTERISTICS (continued)
At +25°C, AVDD1, AVDD2, DRVDD, IOVDD = 3.3 V, BVDD = 3.9 V, DVDD = 1.8 V, V
ref
= 2.5 V, Fs (Audio) = 48 kHz, unless otherwise noted
(continued)
PARAMETER TEST CONDITIONS MIN TYP MAX UNITS
POWER SUPPLY REQUIREMENTS
Power supply voltage
AVDD1, AVDD2 3 3.3 3.6 V
DRVDD 3 3.3 3.6 V
BVDD 3 4.2 V
IOVDD Max MCLK = 100 MHz 2 3.6 V
Max MCLK = 50 MHz 1.1 3.6 V
DVDD 1.65 1.8 1.95 V
IAVDD1, host controlled AUX1 conversion at
10 ksps with external reference
(2)
67
A
Touch-screen ADC quiescent current
IDVDD, host controlled AUX1 conversion at
10 ksps
82
µA
IAVDD1 with loudspeaker output (no signal),
PLL off
3.1
IBVDD with loudspeaker output (no signal),
PLL off
7.5
mA
Analog supply current – audio play back only
IAVDD1 with headphone output (no signal),
VGND off, PLL off
2.5
mA
IDRVDD with headphone output (no signal),
VGND off, PLL off
3.5
Digital supply current – audio play back only IDVDD, PLL off 2.5 mA
IAVDD1, headset mic, PLL off 5.2 mA
Analog supply current mic record only
(1)
IBVDD, headset mic, PLL off 270 µA
IAVDD1, handset mic, PLL off 5.6 mA
Digital supply current – mic record only IDVDD, PLL off 1.4 mA
Analog supply current IAVDD2, PLL on 1.3 mA
Digital supply current IDVDD, PLL on 0.9 mA
Hardware power down 27
Only headset/button detection enabled 50
Total current
(2)
Only auto temperature measurement with
5.59 min delay
50
µA
Headset/button detection and auto
temperature measurement with 5.59 min
delay
65
µ
IAVDD1 + IAVDD2 66
A
Default current
(3)
IBVDD 9
µA
(1)
Mic record currents measured with no load on MICBIAS.
(2)
Current measured with MICBIAS_HED voltage programmed to 2 V (Page 2, Register 1DH, BIt D8=1).
(3)
Default currents measured with device in default mode after reset.