TSC2005 Datasheet, PDF (4/42 Pages) Burr-Brown (TI) – 1.6V to 3.6V, 12-Bit, Nanopower, 4-Wire TOUCH SCREEN CONTROLLER with SPI Interface

TSC2005
SBAS379 – DECEMBER 2006
www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
At T_A = –40°C to +85°C, SNSVDD = V_REF = +1.6V to +3.6V, I/OVDD = +1.2V to +3.6V, unless otherwise noted.
TSC2005
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
POWER-SUPPLY REQUIREMENTS
Power-supply voltage
SNSVDD ⁽⁵⁾
Specified performance
1.6
3.6
I/OVDD ⁽⁶⁾
1.2
SNSVDD
Quiescent supply current⁽⁷⁾
Power down supply current
With filter, M = 15, W = 7, PSM = 1, C[3:0] = (0,0,0,0),
RM = 1, CL[1:0] = (0,1), M[1:0] = (1,1), W[1:0] = (1,0),
MAVEX = 1, MAVEY = 1, MAVEZ = 1, SNSVDD = 1.6V,
I/OVDD = 1.6V, f_ADC = 2MHz, f_SCLK = 10MHz
Bypass filter, M = W = 1, PSM = 1, C[3:0] = (0,0,0,0),
RM = 1, CL[1:0] = (0,1), M[1:0] = (0,0), W[1:0] = (0,0),
MAVEX = 1, MAVEY = 1, MAVEZ = 1, SNSVDD = 1.6V,
I/OVDD = 1.6V, f_ADC = 2MHz, f_SCLK = 10MHz
Non-cont. AUX mode SNSVDD = 1.6V, I/OVDD = 1.6V,
f_ADC = 2MHz, f_SCLK = 10MHz
Non-cont. AUX mode SNSVDD = 3.0V, I/OVDD = 1.6V,
f_ADC = 2MHz, f_SCLK = 10MHz
CS high, SCLK = 0
383
361
481
943
0
0.8
UNIT
V
V
µA
µA
µA
µA
µA
(5) TSC2005 functions down to 1.4V, typically.
(6) I/OVDD must be ≤ SNSVDD.
(7) Supply current from SNSVDD.
4
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