ISL22349_09 Datasheet, PDF (6/13 Pages) Intersil Corporation – Quad Digitally Controlled Potentiometers

ISL22349
Operating Specifications Over the recommended operating conditions unless otherwise specified. (Continued)
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
(Note 13) (Note 3) (Note 13) UNIT
t_SU:A A2, A1 and A0 Setup Time
Before START condition
600
ns
t_HD:A A2, A1 and A0 Hold Time
After STOP condition
600
ns
NOTES:
3. Typical values are for T_A = +25°C and 3.3V supply voltage.
4. LSB: [V(R_W)₁₂₇ – V(R_W)₀]/127. V(R_W)₁₂₇ and V(R_W)₀ are V(R_W) for the DCP register set to 7F hex and 00 hex respectively. LSB is the
incremental voltage when changing from one tap to an adjacent tap.
5. ZS error = V(RW)₀/LSB.
6. FS error = [V(RW)₁₂₇ – V_CC]/LSB.
7. DNL = [V(RW)_i – V(RW)_i-1]/LSB-1, for i = 1 to 127. i is the DCP register setting.
8. INL = [V(RW)_i – i • LSB – V(RW)₀]/LSB for i = 1 to 127.
9. V_MATCH = [V(RWx)_i – V(RWy)_i]/LSB, for i = 1 to 127, x = 0 to 3 and y = 0 to 3.
10.
TC_V
=
-------^M-----^a----^x----⁽--^V----⁽---^R-----^W------⁾--ⁱ--⁾---–-----^M-----ⁱ--ⁿ----⁽--^V-----⁽--^R-----^W------⁾--ⁱ--⁾------ × ----¹----⁰---⁶----- for i = 16 to 112 decimal, T = -40°C to +125°C. Max( ) is the maximum value of the wiper
[Max(V(RW)_i) + Min(V(RW)_i)] ⁄ 2 165°C _{minimum value of the resistance over the temperature range.}
11. This parameter is not 100% tested.
12. t_WC is the time from a valid STOP condition at the end of a Write sequence of I2C serial interface, to the end of the self-timed internal non-volatile
write cycle.
13. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization
and are not production tested.
SDA vs SCL Timing
t_F
t_HIGH
t_LOW
t_R
t_sp
SCL
t_SU:STA
SDA
(INPUT TIMING)
SDA
(OUTPUT TIMING)
t_SU:DAT
t_HD:STA
t_HD:DAT
t_AA t_DH
t_SU:STO
t_BUF
A0, A1, and A2 Pin Timing
SCL
START
CLK 1
STOP
SDA
A0, A1, OR A2
t_SU:A
t_HD:A
6
FN6331.3
May 28, 2009