TDA8798 Datasheet, PDF (18/24 Pages) NXP Semiconductors – Dual 8-bit, 100 Msps A/D converter with DPGA

Philips Semiconductors
Dual 8-bit, 100 Msps A/D converter with
DPGA
INTERNAL PIN CONFIGURATIONS
handbook, halfpa_Vg_De _DA1
handbook, halfpa_Vg_De _DA2
VIN1
VIN1N
1 kΩ
0.5 V
VIN2
VIN2N
Objective specification
TDA8798
1 kΩ
0.5 V
VSSA1
MGM869
Fig.8 DPGA1 analog input.
VSSA2
MGM870
Fig.9 DPGA2 analog input.
handbook, _Vha_Dlfp_Da_Age₃
Voref1
BUF1
BUF1N
0.42 V
20
kΩ
handbook, _Vha_Dlfp_Da_Age₄
Voref2
BUF2
BUF2N
0.42 V
20
kΩ
VSSA3
MGM871
Fig.10 ADC1 buffer input and V_oref1 output.
VSSA4
MGM872
Fig.11 ADC2 buffer input and V_oref2 output.
hand_Vb_Doo_Dk_D, h₁alfpage
CLK1
CLK1N
20
kΩ
1.4 V
VSSD1
MGM873
Fig.12 ADC1 clock buffer input.
1999 Sep 16
hand_Vb_Doo_Dk_D, h₂alfpage
CLK2
CLK2N
20
kΩ
1.4 V
VSSD2
MGM874
Fig.13 ADC2 clock buffer input.
18