tda8757a NXP Semiconductors, tda8757a Datasheet - Page 27

• Manufacturer Part Number: tda8757a
• Description: Tda8757a Triple 8-bit Adc 205 Msps
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Table 17: Characteristics
V
(referenced to V
T
specified.
[1]
[2]
[3]
[4]
[5]
9397 750 09549
Preliminary data
Symbol
Sync on green input
V
3W-bus
t
t
t
I
V
V
f
t
t
t
t
t
t
t
t
t
t
C
rst
su
h
2
SCL
BUF
HD;STA
SU;STA
LOW
HIGH
SU;DAT
HD;DAT
r
f
SU;STO
amb
CCA
sync(G)
IL
IH
C-bus
b
From 25 to 70 C, the edge of the clock CKDATA has a shift of 1 phase compared to CKREF.
Effective bits are obtained from a Fast Fourier Transform (FFT) treatment taking 8000 acquisition points per equivalent fundamental
period. The calculation takes into account all harmonics and noise up to half clock frequency (NYQUIST frequency).
Conversion-to-noise ratio: S/N = EB
Output data acquisition: the output data is available after the maximum sampling delay time t
capacitive load.
Pulse relative to the blank level.
The I
400 kbit/s (400 kHz).
= 0 to 70 C; typical values measured at V
= 4.75 V to 5.25 V (referenced to AGND); V
[5]
2
C-bus timings are given for use of the bus at a frequency of 100 kbit/s (100 kHz). This bus could be used at a frequency of
SSD
Parameter
sync on green pulse amplitude
reset time of the chip before
3-wire communication
data set-up time for 3-wire
communication
data hold time for 3-wire
communication
LOW-level input voltage
HIGH-level input voltage
clock frequency
time the bus must be free before
new transmission can start
start condition hold time
start condition set-up time
LOW-level clock period
HIGH-level clock period
data set-up time
data hold time
SDA and SCL rise time
SDA and SCL fall time
stop condition set-up time
bus line capacitive loading
); V
CCO
…continued
= 4.75 V to 5.25 V (referenced to OGND); AGND, DGND, OGND and V
6.02 + 1.76 dB.
CCA
[4]
CCD
Rev. 01 — 22 March 2002
= V
Conditions
Slevel = 0; see
Slevel = 1; see
for SCL and SDA
for SCL and SDA;
V
for SCL and SDA;
V
repeated start
f
f
= 4.75 V to 5.25 V (referenced to DGND); V
SCL
SCL
PU
PU
DDD
= 5 V
= 3 V
= 100 kHz
= 100 kHz
= V
CCD
= V
Figure 5
Figure 5
CCO
= 5 V and T
d(s)
amb
Min
300
150
3
0.7V
0
4.7
4.0
4.7
4.7
4.0
250
0
4.0
. All the timings are given for a 10 pF
© Koninklijke Philips Electronics N.V. 2002. All rights reserved.
= 25 C; unless otherwise
DD
Triple 8-bit ADC 205 Msps
Typ
600
100
100
DDD
SS
TDA8757A
connected together;
= 4.75 V to 5.25 V
Max
600
300
0.3V
100
1.0
300
400
DD
Unit
mV
mV
ns
ns
ns
V
V
kHz
ns
ns
ns
pF
s
s
s
s
s
s
s
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