Datasheet

TLC5510, TLC5510A
8-BIT HIGH-SPEED ANALOG-TO-DIGITAL CONVERTERS
SLAS095L – SEPTEMBER 1994 – REVISED JUNE 2003
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics at V
DD
= 5 V, V
REFT
= 2.5 V, V
REFB
= 0.5 V, f
(CLK)
= 20 MHz, T
A
= 25°C (unless
otherwise noted)
digital I/O
PARAMETER TEST CONDITIONS
†
MIN TYP MAX UNIT
I
IH
High-level input current V
DD
= MAX, V
IH
= V
DD
5
µA
I
IL
Low-level input current V
DD
= MAX, V
IL
= 0 5
µ
A
I
OH
High-level output current OE = GND, V
DD
= MIN, V
OH
= V
DD
–0.5 V –1.5
mA
I
OL
Low-level output current OE = GND, V
DD
= MIN, V
OL
= 0.4 V 2.5
mA
I
OZH
High-level high-impedance-state
output leakage current
OE = V
DD
, V
DD
= MAX V
OH
= V
DD
16
µA
I
OZL
Low-level high-impedance-state
output leakage current
OE = V
DD
, V
DD
= MIN V
OL
= 0 16
µ
A
†
Conditions marked MIN or MAX are as stated in recommended operating conditions.
power
PARAMETER TEST CONDITIONS
†
MIN TYP MAX UNIT
I
DD
Supply current
f
(CLK)
= 20 MHz, National Television System Committee (NTSC)
ramp wave input, reference resistor dissipation is separate
18 27 mA
I
f
Reference voltage current
TLC5510 V
ref
= REFT – REFB = 2 V 5.2 7.5 10.5 mA
I
ref
Reference
voltage
current
TLC5510A V
ref
= REFT – REFB = 4 V 10.4 15 21 mA
†
Conditions marked MIN or MAX are as stated in recommended operating conditions.
static performance
PARAMETER TEST CONDITIONS
†
MIN TYP MAX UNIT
Self-bias (1), at REFB
Short REFB to REFBS
Short REFT to REFTS
0.57 0.61 0.65
Self-bias (2), REFT – REFB
Short
REFB
to
REFBS
,
Short
REFT
to
REFTS
1.9 2.02 2.15
V
Self-bias (3), at REFT Short REFB to AGND, Short REFT to REFTS 2.18 2.29 2.4
R
ref
Reference voltage resistor Between REFT and REFB 190 270 350 Ω
C
i
Analog input capacitance V
I(ANLG)
= 1.5 V + 0.07 V
rms
16 pF
TLC5510
f
(CLK)
= 20 MHz,
T
A
= 25°C ±0.4 ±0.75
Integral nonlinearity (INL)
TLC5510
(CLK)
,
V
I
= 0.5 V to 2.5 V
T
A
= –20°C to 75°C ±1
Integral
nonlinearity
(INL)
TLC5510A
f
(CLK)
= 20 MHz,
T
A
= 25°C ±0.4 ±0.75
TLC5510A
(CLK)
,
V
I
= 0 to 4 V
T
A
= –20°C to 75°C ±1
LSB
TLC5510
f
(CLK)
= 20 MHz,
T
A
= 25°C ±0.3 ±0.5
LSB
Differential nonlinearity (DNL)
TLC5510
(CLK)
,
V
I
= 0.5 V to 2.5 V
T
A
= –20°C to 75°C ±0.75
Differential
nonlinearity
(DNL)
TLC5510A
f
(CLK)
= 20 MHz,
T
A
= 25°C ±0.3 ±0.5
TLC5510A
(CLK)
,
V
I
= 0 to 4 V
T
A
= –20°C to 75°C ±0.75
E
ZS
Zero scale error
TLC5510 V
ref
= REFT – REFB = 2 V –18 –43 –68 mV
E
ZS
Zero
-
scale
error
TLC5510A V
ref
= REFT – REFB = 4 V –36 –86 –136 mV
E
FS
Full-scale error
TLC5510 V
ref
= REFT – REFB = 2 V –20 0 20 mV
E
FS
Full
-
scale
error
TLC5510A V
ref
= REFT – REFB = 4 V –40 0 40 mV
†
Conditions marked MIN or MAX are as stated in recommended operating conditions.