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TLV5592 Datasheet(Fiches technique) 5 Page - Texas Instruments

Numéro de pièce TLV5592
Description  2-BIT ANALOG-TO-DIGITAL CONVERTER FOR FLEX PAGER CHIPSET
Télécharger  15 Pages
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
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TLV5592 Datasheet(HTML) 5 Page - Texas Instruments

 
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TLV5592
2-BIT ANALOG-TO-DIGITAL CONVERTER
FOR FLEX
t PAGER CHIPSET
SLAS145A – JUNE1996 – REVISED DECEMBER 1997
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range,
AVDD = DVDD = 1.8 V to 2.5 V, f(CLK) = 38.4 kHz (unless otherwise noted)
power
PARAMETER
TEST CONDITIONS
MIN
MAX
UNIT
IDD
Operating supply current
Fast track, slow track, or hold mode
250
µA
IDD(standby) Standby supply current
VI(DC OFFSET) = 0.8 V, VI(SIG) = 0.8 V
For all digital inputs,
0 < VI < 0.5 V or VI > DVDD – 0.5 V.
1
µA
digital
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOH
High-level output voltage
IOH = –100 µA
DVDD –0.5
V
VOL
Low-level output voltage
IOL = 100 µA
0.5
V
IIH
High-level input current
VI = DVDD
1
2.5
µA
IIL
Low-level input current
VI = 0
–1
–2.5
µA
Ci
Input capacitance, digital input
10
pF
analog
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Voltage accuracy at MID
VDD = 2 V,
CL(MID) = 220 nF
1.42
1.0
1.05
V
Zi
Input impedance at SIG (see Note 3)
f(IN) = 1.0 kHz
1
M
Zi(offset)
Input impedance at DC OFFSET (see Note 3)
1
3
M
II(SIG)
Average input current into SIG
GND < VI < AVDD
100
nA
Ci
Input capacitance, all inputs
10
pF
NOTE 3: The input is capacitive and, therefore, is dynamic. Impedance specifications are based on f(CLK) = 38.4 kHz.
operating characteristics over recommended operating free-air temperature range,
AVDD =DVDD =3 V, f(CLK) = 38.4 kHz (unless otherwise noted)
peak-and-valley DACs
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Step size, LSB
VDD/255
V
EFS
Full-scale error
1
LSB
EZS
Zero-code error
3
LSB
Voltage output drift
Hold mode
0
mV/ms
ED
Differential nonlinearity (DNL) error
1
LSB
low-pass filter
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
G
Pass-band filter gain
VI(DC OFFSET) = 0.8 V, VI = ± 125 mV
5.75
6
6.25
dB
Filter attenuation
1-kHz filter
VI = ± 500 mV
fI(SIG) = 1 kHz
2
3
4
dB
Filter attenuation
2-kHz filter
VI = ± 500 mV
fI(SIG) = 2 kHz
2
3
4
dB
ts
Stabilization time
Off mode to hold mode (see Table 1)
5
ms


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