TDA8718 Datasheet, PDF (6/16 Pages) NXP Semiconductors – 8-bit high-speed analog-to-digital converter

Philips Semiconductors
8-bit high-speed analog-to-digital converter
Product specification
TDA8718
CHARACTERISTICS
V_EEA = −4.2 to −4.8 V; V_EED = −4.2 to −4.8 V; V_EEA to V_EED = −0.1 to +0.1 V; AGND and DGND shorted together;
T_amb = 0 to +70 °C; typical values measured at V_EEA = −4.5 V, V_EED = −4.5 V and T_amb = 25 °C;
unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP. MAX. UNIT
Supply
V_EEA
V_EED
I_EEA
I_EED
I_EEO(L)
I_EEO(H)
analog supply voltage (pin 28)
digital supply voltage (pin 23)
analog supply current (pin 28)
digital supply current (pin 23)
LOW level output supply current
HIGH level output supply current
R_L = 50 Ω
R_L = 50 Ω
Reference voltages for the resistor ladder (see Table 1)
I_RT
V_RB
V_RT
R_LAD
TC_RLAD
reference current (pin 5)
reference voltage BOTTOM (pin 1)
reference voltage TOP (pin 5)
resistor ladder
temperature coefficient of the
resistor ladder
R = 48 Ω
V_osB
V_osT
voltage offset BOTTOM
voltage offset TOP
note 1
note 1
Inputs
−4.2 −4.5
−4.2 −4.5
30
42
100
120
40
70
155
170
−4.8 V
−4.8 V
54
mA
150
mA
90
mA
185
mA
30
45
60
mA
−
48 Ω × I_RT −
V
−
0
−
V
−
48
−
Ω
−
175
−
MΩ/K
−
8 Ω × I_RT −
mV
−
8 Ω × I_RT −
mV
CLK INPUT (PIN 8); CLK INPUT (PIN 9)
V_IL
V_IH
I_IL
I_IH
R_I
C_I
∆V_clk(p-p)
LOW level input voltage
HIGH level input voltage
LOW level input current
HIGH level input current
input resistance
input capacitance
clock input voltage difference
between CLK and CLK pin 8 to
pin 9 (peak-to-peak value)
ANALOG INPUT (PIN 3); NOTE 2
I_IL
LOW level input current
I_IH
HIGH level input current
R_I
input resistance
C_I
input capacitance
V_clk = −1.8 V
V_clk = −0.8 V
f_clk = 100 MHz
f_clk = 100 MHz
data output = 00
data output = FF
−
−1.8
−
V
−
−0.8
−
V
−
0
−
µA
−
120
−
µA
−
1.5
−
kΩ
−
3.5
−
pF
−
900
−
mV
20
40
100
200
−
10
−
5
80
µA
400
µA
−
kΩ
−
pF
June 1994
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