參數(shù)資料
型號(hào)： TDA8757HL
廠商： NXP SEMICONDUCTORS
元件分類： ADC
英文描述： Triple 8-bit ADC 170 Msps
中文描述： 3-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP144
封裝： HEAT SINK, PLASTIC, LQFP-144
文件頁(yè)數(shù)： 26/37頁(yè)
文件大小： 895K
代理商： TDA8757HL
Philips Semiconductors
TDA8757
Triple 8-bit ADC 170 Msps
Preliminary data
Rev. 07 — 28 February 2002
26 of 37
9397 750 09457
Koninklijke Philips Electronics N.V. 2002. All rights reserved.
ENOB
[2]
Signal-to-noise ratio
S/N
Spurious free dynamic range
SFDR
Clock timing output (CKDATA)
η
ext
f
clk(max)
Clock timing input (CKEXT)
f
clk(max)
t
CPH
t
CPL
Data timing
[3]
t
d(s)
t
su(d)(o)
t
h(o)
3-state output delay time
t
dZH
t
dZL
t
dHZ
t
dLZ
Data and sync outputs
V
OL
V
OH
I
OL
I
OH
C
L
TTL digital inputs (CKREF, COAST, INV, HSYNC, CLP, PD, DIS, I
2
C/3W, OE, CKEXT)
V
IL
LOW-level input voltage
V
IH
HIGH-level input voltage
I
IL
LOW-level input current
I
IH
HIGH-level input current
Z
i
input impedance
C
i
input capacitance
Sync on green input
V
sync(G)
sync on green pulse amplitude
[4]
effective number of bits
7.4
bits
signal-to-noise ratio
f
clk
= 170 MHz
46
dB
spurious free dynamic range
f
clk
= 170 MHz
57
dB
ADC clock duty factor
maximum clock frequency
45
50
55
170
%
MHz
maximum clock frequency
clock pulse width HIGH
clock pulse width LOW
2.5
2.5
170
MHz
ns
ns
sampling delay time
output data set-up time
output hold time
all times referenced to 50% of
the rising edge of CKDATA; see
Figure 10
7.5
7
1
ns
ns
ns
output enable HIGH
output enable LOW
output disable HIGH
output disable LOW
15
18
13
10
ns
ns
ns
ns
LOW-level output voltage
HIGH-level output voltage
LOW-level output current
HIGH-level output current
load capacitance
I
o
= 1 mA
I
o
= 1 mA
V
OL
= 0.2 V
V
OH
= 3.4 V
2.4
0.2
0.3
10
0.4
V
V
mA
mA
pF
2.0
400
35
tbf
tbf
0.8
V
V
μ
A
μ
A
k
pF
Slevel = 0; see
Figure 5
Slevel = 1; see
Figure 5
300
150
600
300
mV
mV
Table 17: Characteristics
…continued
V
CCA
= 4.75 V to 5.25 V (referenced to AGND); V
CCD
= 4.75 V to 5.25 V (referenced to DGND); V
DDD
= 4.75 V to 5.25 V
(referenced to V
SSD
); V
CCO
= 4.75 V to 5.25 V (referenced to OGND); AGND, DGND, OGND and V
SS
connected together;
T
amb
= 0 to 70
°
C; typical values measured at V
CCA
= V
DDD
= V
CCD
= V
CCO
= 5 V and T
amb
= 25
°
C; unless otherwise
specified.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
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